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Copy Module
Automatic Document Feeder
High-Capacity Input
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8550 Printer
Copy Module Automatic Document Feeder High-Capacity Input Service Manual
English
HP Copy Module, ADF, and side HCI for HP Color LaserJet 8550 series printers
_____________ Service Manual
Copyright Information Copyright © 2002 HewlettPackard Company All Rights Reserved. Reproduction, adaptations, or translation without prior written permission is prohibited except as allowed under copyright laws. Part number C7834-90902 Second edition, February 2002 Printed in USA
Warranty The information contained in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with respect to this information. HEWLETT-PACKARD SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Hewlett-Packard shall not be liable for any direct, indirect, incidental, consequential, or other damage alleged in connection with the furnishing or use of this information. NOTICE TO U.S. GOVERNMENT USERS: RESTRICTED RIGHTS COMMERCIAL COMPUTER SOFTWARE: "Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subparagraph (c) (1)(ii) of the Rights in Technical Data Clause at DFARS 52.227-7013.
Trademark Credits CompuServeTM is a U.S. trademark of CompuServe, Inc. MS-DOS® is a U.S. registered trademark of Microsoft Corporation. PhotoshopTM and PostScript® are registered trademarks of Adobe Systems Incorporated. TrueTypeTM is a U.S. trademark of Apple Computer, Inc. UNIX® is a registered trademark in the United States and other countries, licensed exclusively through X/Open Company Limited. Safety Information WARNING Electrical Shock Hazard To avoid electrical shock, use only supplied power cords and connect only to properly grounded (3-hole) wall outlets.
Hewlett-Packard Company 11311 Chinden Boulevard Boise, Idaho 83714 U.S.A.
Contents
1 Product information
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 Copy module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 Automatic document feeder (ADF) . . . . . . . . . . . . . . . . . . . . . . . .28 Side high-capacity input (side HCI) . . . . . . . . . . . . . . . . . . . . . . .32 Model and serial numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35 Safety and regulatory information . . . . . . . . . . . . . . . . . . . . . . . .35
2 Service approach
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37 Service approach overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39 Parts and supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39 Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40 Technical assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42 Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
3 Operational overview
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47 Control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49 Copy module functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51 Self-diagnostic messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59 Service mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
4 Adjustments and maintenance
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .119 MFP print engine adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . .119 Copy module adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .121 ADF adjustments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140 Side HCI adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159 Periodically replaced parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . .163 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .164 Lubricating. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
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Contents 3
5 Theory of operation
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .175 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177 Notes on the power switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177 Copy module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .178 ADF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .244 Side HCI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .304
6 Removal and replacement
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .327 Required tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .331 Repair notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .332 Copy module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .333 Automatic document feeder (ADF) . . . . . . . . . . . . . . . . . . . . . . .377 Side HCI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .434
7 Troubleshooting
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .455 System-to-device troubleshooting . . . . . . . . . . . . . . . . . . . . . . . .457 Copy module troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . .460 ADF troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .528 Side HCI troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .535
8 Parts and diagrams
Chapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .547 How to use this chapter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .551 Printer parts unique to the HP Color LaserJet 8550MFP . . . . . .552 Stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .555 Copy module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .558 ADF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .600 Side HCI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .649 Numerical parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .672 Alphabetical parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .680
Index
4 Contents
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Figures
Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. Figure 6. Figure 7. Figure 8. Figure 9. Figure 10. Figure 11. Figure 12. Figure 13. Figure 14. Figure 15. Figure 16. Figure 17. Figure 18. Figure 19. Figure 20. Figure 21. Figure 22. Figure 23. Figure 24. Figure 25. Figure 26. Figure 27. Figure 28. Figure 29. Figure 30. Figure 31. Figure 32. Figure 33. Figure 34. Figure 35.
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Copy module front left . . . . . . . . . . . . . . . . . . . . . . . 26 Copy module front right . . . . . . . . . . . . . . . . . . . . . . 26 Copy module cross-section . . . . . . . . . . . . . . . . . . . 27 Automatic document feeder . . . . . . . . . . . . . . . . . . . 30 Automatic document feeder cross-section . . . . . . . 31 Front of side HCI . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Rear of side HCI . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Cross-section of side HCI . . . . . . . . . . . . . . . . . . . . 34 Copy module control panel . . . . . . . . . . . . . . . . . . . 49 Service mode initial screen . . . . . . . . . . . . . . . . . . . 61 Service label (inside the lower front cover of the copy module) . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Example of a Level 1/Level 2 item screen . . . . . . . . 63 Example of a Level 3 screen . . . . . . . . . . . . . . . . . . 64 Copier, display mode Level 1/Level 2 screen . . . . . 65 JAM screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 ERR screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Copier, I/O mode Level 1/Level 2 screen . . . . . . . . 77 Copier, I/O mode Level 3 screen example . . . . . . . 78 Copier, adjust mode Level 1/Level 2 screen . . . . . . 83 BLANK margins . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 Copier, run/check mode Level 1/Level 2 screen . . . 93 Copier, machine settings mode Level 1/Level 2 screen . . . . . . . . . . . . . . . . . . . . . . . 98 Copier, test print mode Level 1/Level 2 screen . . . 108 Counter mode, Level 1/Level 2 screen . . . . . . . . . 111 Feeder screen, example of a Level 3 item . . . . . . 114 Image and non-image width of the leading edge . . 122 Image and non-image width of the left or right margin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 BLANK margins . . . . . . . . . . . . . . . . . . . . . . . . . . . 123 Adjusting horizontal registration . . . . . . . . . . . . . . 124 Service label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 Standard white plate barcode . . . . . . . . . . . . . . . . 134 Adjusting the ADF height . . . . . . . . . . . . . . . . . . . . 141 DADF controller PCB cover . . . . . . . . . . . . . . . . . . 142 DSW1 on the DADF controller PCB . . . . . . . . . . . 142 SW3 DADF controller PCB . . . . . . . . . . . . . . . . . . 143 Figures 5
Figure 36. Figure 37. Figure 38. Figure 39. Figure 40. Figure 41. Figure 42. Figure 43. Figure 44. Figure 45. Figure 46. Figure 47. Figure 48. Figure 49. Figure 50. Figure 51. Figure 52. Figure 53. Figure 54. Figure 55. Figure 56. Figure 57. Figure 58. Figure 59. Figure 60. Figure 61. Figure 62. Figure 63. Figure 64. Figure 65. Figure 66. Figure 67. Figure 68. Figure 69. Figure 70. Figure 71. Figure 72. Figure 73. Figure 74. Figure 75. Figure 76.
Testing the ADF adjustment . . . . . . . . . . . . . . . . . 143 Rear view of the ADF . . . . . . . . . . . . . . . . . . . . . . 144 Adjusting screw . . . . . . . . . . . . . . . . . . . . . . . . . . . 144 DSW1 on the DADF controller PCB . . . . . . . . . . . 145 Testing adjustment . . . . . . . . . . . . . . . . . . . . . . . . 146 Adjusting ADF document tray . . . . . . . . . . . . . . . . 146 DSW1 on DADF controller PCB . . . . . . . . . . . . . . 147 Measuring the copy paper stop position . . . . . . . . 148 DSW1 on DADF controller PCB . . . . . . . . . . . . . . 149 Positioning paper . . . . . . . . . . . . . . . . . . . . . . . . . . 150 Retaining plate adjustment . . . . . . . . . . . . . . . . . . 151 Measuring the distance from the copyboard glass to the ADF . . . . . . . . . . . . . . 151 Preparing test strips for measuring feeding power . 152 DADF controller cover . . . . . . . . . . . . . . . . . . . . . . 152 DSW1 on DADF controller PCB . . . . . . . . . . . . . . 153 Measuring feeding power . . . . . . . . . . . . . . . . . . . 153 Lock nut glued in place . . . . . . . . . . . . . . . . . . . . . 154 ADF sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155 LED 1 and 2 on DADF controller PCB . . . . . . . . . . 156 DADF controller PCB . . . . . . . . . . . . . . . . . . . . . . . 157 Wing nuts on the adjustment screws . . . . . . . . . . . 159 Base plate securing screws . . . . . . . . . . . . . . . . . . 160 Paper guide fixing screws . . . . . . . . . . . . . . . . . . . 161 Paper guides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 Paper size card . . . . . . . . . . . . . . . . . . . . . . . . . . . 162 Copyboard glass . . . . . . . . . . . . . . . . . . . . . . . . . . 165 Copyboard cover . . . . . . . . . . . . . . . . . . . . . . . . . . 165 Belt assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Document tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169 Sensor S1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169 Reflecting face sensor . . . . . . . . . . . . . . . . . . . . . . 170 Registration sensor . . . . . . . . . . . . . . . . . . . . . . . . 170 Guide plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171 Registration sensor . . . . . . . . . . . . . . . . . . . . . . . . 171 Registration sensor LED3 cover . . . . . . . . . . . . . . 172 Light-emitting face . . . . . . . . . . . . . . . . . . . . . . . . . 172 Separation guide . . . . . . . . . . . . . . . . . . . . . . . . . . 173 Control panel power soft switch, copy module rear power switch, and power plug . . . . . . . . . . . . 177 Copy module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178 Electrical circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . 179
6 Figures
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Figure 77. Figure 78. Figure 79. Figure 80. Figure 81. Figure 82. Figure 83. Figure 84. Figure 85. Figure 86. Figure 87. Figure 88. Figure 89. Figure 90. Figure 91. Figure 92. Figure 93. Figure 94. Figure 95. Figure 96. Figure 97. Figure 98. Figure 99. Figure 100. Figure 101. Figure 102. Figure 103. Figure 104. Figure 105. Figure 106. Figure 107. Figure 108. Figure 109. Figure 110. Figure 111. Figure 112. Figure 113. Figure 114.
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Inputs to and outputs from the reader controller PCB (1 of 3) . . . . . . . . . . . . . 180 Inputs and outputs from the reader controller PCB (2 of 3) . . . . . . . . . . . . . . . . 181 Inputs and outputs from the reader controller PCB (3 of 3) . . . . . . . . . . . . . . . . 182 Basic sequence of operations at power-on . . . . . . 183 A4- and letter-size, 2 copies, 4-color, Direct, and cassette 1 sequence of operations (1 of 2) . . . . . . 185 A4- and letter-size, 2 copies, 4-color, Direct, and cassette 1 sequence of operations (2 of 2) . . . . . . 186 Cross-section of exposure system . . . . . . . . . . . . 188 Exposure system mechanics . . . . . . . . . . . . . . . . . 188 A4- and letter-size, 2 copies, 4-color, Direct, cassette 1 sequence of operations . . . . . . . . . . . . 189 Scanner movement . . . . . . . . . . . . . . . . . . . . . . . . 190 Scanner motor circuit . . . . . . . . . . . . . . . . . . . . . . . 191 Changing the reproduction ratio . . . . . . . . . . . . . . 192 Controlling the scanning lamp . . . . . . . . . . . . . . . . 193 Paper selection sensors . . . . . . . . . . . . . . . . . . . . 197 Sensor operation . . . . . . . . . . . . . . . . . . . . . . . . . . 198 Image processing unit . . . . . . . . . . . . . . . . . . . . . 200 CCD lines and filters . . . . . . . . . . . . . . . . . . . . . . . 201 CCD circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 Analog circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203 G image signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205 Digital image processing . . . . . . . . . . . . . . . . . . . 207 Scanning lamp and lens . . . . . . . . . . . . . . . . . . . . 208 Shading correction measurement . . . . . . . . . . . . . 209 CCD position matching . . . . . . . . . . . . . . . . . . . . . 210 Text identification . . . . . . . . . . . . . . . . . . . . . . . . . 211 Sensor color correction measurement . . . . . . . . . 212 Background pixel measurement . . . . . . . . . . . . . . 213 Input level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215 Weak and strong sharpness . . . . . . . . . . . . . . . . . 215 Original density compared to CCD output . . . . . . 216 Density level conversion . . . . . . . . . . . . . . . . . . . . 216 BGR and YMC levels . . . . . . . . . . . . . . . . . . . . . . 217 BGR to YMC conversion . . . . . . . . . . . . . . . . . . . . 218 Gray components . . . . . . . . . . . . . . . . . . . . . . . . . 219 Bk signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220 UCR amount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220 Chromatic absorption characteristics . . . . . . . . . . 221 Enlargement/correction . . . . . . . . . . . . . . . . . . . . 223 Figures 7
Figure 115. Figure 116. Figure 117. Figure 118. Figure 119. Figure 120. Figure 121. Figure 122. Figure 123. Figure 124. Figure 125. Figure 126. Figure 127. Figure 128. Figure 129. Figure 130. Figure 131. Figure 132. Figure 133. Figure 134. Figure 135. Figure 136. Figure 137. Figure 138. Figure 139. Figure 140. Figure 141. Figure 142. Figure 143. Figure 144. Figure 145. Figure 146. Figure 147. Figure 148. Figure 149. Figure 150. Figure 151. Figure 152. Figure 153. Figure 154. Figure 155. Figure 156. 8 Figures
Image shifts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224 Shift in main and sub-scanning directions . . . . . . 224 Center Shift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225 Mirror image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226 Mirror image principle . . . . . . . . . . . . . . . . . . . . . . 226 Image repeat . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227 Image repeat principle . . . . . . . . . . . . . . . . . . . . . 227 Slant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228 Slant principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228 Curve for items A through D . . . . . . . . . . . . . . . . . 229 Curve for black-and-white text mode . . . . . . . . . . 229 Framing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230 Blanking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230 Control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233 Copy module fan . . . . . . . . . . . . . . . . . . . . . . . . . 234 Cooling fan engaged . . . . . . . . . . . . . . . . . . . . . . 234 Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236 Copy module power distribution . . . . . . . . . . . . . . 237 Copy module general circuit diagram (1 of 2) . . . . 240 Copy module general circuit diagram (2 of 2) . . . . 242 ADF electrical circuitry . . . . . . . . . . . . . . . . . . . . . . 244 Operation mode communication . . . . . . . . . . . . . . 245 Inputs to the DADF controller PCB (1 of 2) . . . . . . 246 Inputs to the DADF controller PCB (2 of 2) . . . . . . 247 Outputs to the DADF controller PCB . . . . . . . . . . . 248 ADF motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249 Top pick-up path . . . . . . . . . . . . . . . . . . . . . . . . . . 251 Face-up (left) output tray . . . . . . . . . . . . . . . . . . . . 253 Face-down (top) output tray . . . . . . . . . . . . . . . . . 254 Page composition copy sequences . . . . . . . . . . . . 255 Picking up originals . . . . . . . . . . . . . . . . . . . . . . . . 256 Pick-up path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257 Feeding sequence . . . . . . . . . . . . . . . . . . . . . . . . 258 Feeding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258 Second original pick-up . . . . . . . . . . . . . . . . . . . . . 259 Sequence of operations (A4, 2 originals, top pick-up mode) . . . . . . . . . . . . . . . . . . . . . . . . . 260 Picking up for the first side . . . . . . . . . . . . . . . . . . 261 Reversing from the first side to the second side . . 261 Sequence of operations (reversal) . . . . . . . . . . . . 262 Placement of first original . . . . . . . . . . . . . . . . . . . 263 Positioning the first original and pick-up of second original . . . . . . . . . . . . . . . . . . . . . . . . . . . 263 Movement of first and second originals . . . . . . . . . 264
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Figure 157. Delivery of originals . . . . . . . . . . . . . . . . . . . . . . . . 264 Figure 158. Sequence of operations (reduced page composition; top pick-up) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265 Figure 159. Delivery path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266 Figure 160. Feeding the first original . . . . . . . . . . . . . . . . . . . . 266 Figure 161. Delivering the first original and picking up the second original . . . . . . . . . . . . . . . . . . . . . . . . . . . 267 Figure 162. Sequence of operations (small size, pick-up and delivery) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268 Figure 163. Detecting an original . . . . . . . . . . . . . . . . . . . . . . . 269 Figure 164. Document tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270 Figure 165. Registration rollers . . . . . . . . . . . . . . . . . . . . . . . . . 271 Figure 166. Horizontal detection . . . . . . . . . . . . . . . . . . . . . . . . 272 Figure 167. Placement of original . . . . . . . . . . . . . . . . . . . . . . . 274 Figure 168. Control of pick-up motor . . . . . . . . . . . . . . . . . . . . 275 Figure 169. Control of belt motor . . . . . . . . . . . . . . . . . . . . . . . 277 Figure 170. ADF jam sensors . . . . . . . . . . . . . . . . . . . . . . . . . 279 Figure 171. Improper placement of originals . . . . . . . . . . . . . . 282 Figure 172. Jam flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284 Figure 173. Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285 Figure 174. Motors, solenoids, and sensors . . . . . . . . . . . . . . . 286 Figure 175. PCB locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287 Figure 176. Indicator PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288 Figure 177. ADF general circuit diagram . . . . . . . . . . . . . . . . . 290 Figure 178. ADF controller circuit diagram (1 of 7) . . . . . . . . . 292 Figure 179. ADF controller circuit diagram (2 of 7) . . . . . . . . . . 294 Figure 180. ADF controller circuit diagram (3 of 7) . . . . . . . . . . 296 Figure 181. ADF controller circuit diagram (4 of 7) . . . . . . . . . . 298 Figure 182. ADF controller circuit diagram (5 of 7) . . . . . . . . . . 300 Figure 183. ADF controller circuit diagram (6 of 7) . . . . . . . . . . 301 Figure 184. ADF controller circuit diagram (7 of 7) . . . . . . . . . . 301 Figure 185. ADF display board . . . . . . . . . . . . . . . . . . . . . . . . . 302 Figure 186. ADF general timing chart (top pick-up mode, A4, and 2 originals--single-sided original to single copy) . . . 303 Figure 187. Deck block diagram . . . . . . . . . . . . . . . . . . . . . . . . 304 Figure 188. Deck controller PCB . . . . . . . . . . . . . . . . . . . . . . . 305 Figure 189. Deck controller PCB output . . . . . . . . . . . . . . . . . . 306 Figure 190. Pick-up feed rollers . . . . . . . . . . . . . . . . . . . . . . . . 307 Figure 191. Pick-up feed signals . . . . . . . . . . . . . . . . . . . . . . . 308 Figure 192. Signal transfer points . . . . . . . . . . . . . . . . . . . . . . 309 Figure 193. Pick-up signal levels . . . . . . . . . . . . . . . . . . . . . . . 309 Figure 194. Lifter operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 310 Figure 195. Remaining paper detection . . . . . . . . . . . . . . . . . . 311
EN
Figures 9
Figure 196. Paper-size-detection switch and detection plate (A4) . . . . . . . . . . . . . . . . . . . . . . . . 312 Figure 197. Paper-size-detection switch and detection plate (LTR) . . . . . . . . . . . . . . . . . . . . . . . 312 Figure 198. Jam detection levels . . . . . . . . . . . . . . . . . . . . . . . 313 Figure 199. Stationary jam . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313 Figure 200. Side HCI power supply . . . . . . . . . . . . . . . . . . . . . 314 Figure 201. Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315 Figure 202. Solenoids and motors . . . . . . . . . . . . . . . . . . . . . . 316 Figure 203. PCBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317 Figure 204. Deck controller PCB . . . . . . . . . . . . . . . . . . . . . . . 319 Figure 205. User LED PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . 320 Figure 206. Remaining-paper-detection PCB . . . . . . . . . . . . . 320 Figure 207. Deck controller PCB general circuit diagram . . . . . 324 Figure 208. Front view of copy module . . . . . . . . . . . . . . . . . . . 333 Figure 209. Rear view of copy module . . . . . . . . . . . . . . . . . . . 333 Figure 210. Removing the copy module lower front cover . . . . 334 Figure 211. Removing the copy module upper right cover . . . . 334 Figure 212. Removing the copy module upper rear cover . . . . 335 Figure 213. Removing the copy module upper left cover . . . . . 335 Figure 214. Removing the copy module rear cover . . . . . . . . . 336 Figure 215. Removing the copy module upper front cover . . . . 337 Figure 216. Removing the copy module scanner motor . . . . . . 338 Figure 217. Removing the copy module the scanner motor driver PCB . . . . . . . . . . . . . . . . . . . 339 Figure 218. Preparing to remove the ROM DIMM . . . . . . . . . . 340 Figure 219. Opening the claws . . . . . . . . . . . . . . . . . . . . . . . . . 341 Figure 220. Lifting the ROM DIMM to detach . . . . . . . . . . . . . . 341 Figure 221. Inserting the ROM DIMM . . . . . . . . . . . . . . . . . . . . 342 Figure 222. Engaging the ROM DIMM . . . . . . . . . . . . . . . . . . . 342 Figure 223. Control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344 Figure 224. Detaching the control panel . . . . . . . . . . . . . . . . . . 345 Figure 225. Detaching the metal plate on the LCD assembly . 346 Figure 226. Detaching the LCD assembly . . . . . . . . . . . . . . . . 346 Figure 227. Copyboard glass . . . . . . . . . . . . . . . . . . . . . . . . . . 347 Figure 228. Scanner drive cable . . . . . . . . . . . . . . . . . . . . . . . . 348 Figure 229. Securing the metal cable clamp (front view) . . . . . 349 Figure 230. Securing the metal cable clamp (rear view) . . . . . 349 Figure 231. Mirror tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350 Figure 232. Detaching and reattaching the mirror positioning tool (front view) . . . . . . . . . . . . . 350 Figure 233. Detaching and reattaching the mirror positioning tool (rear view) . . . . . . . . . . . . . 351
10 Figures
EN
Figure 234. Securing the metal cable clamp to the mirror 1 mount (front view) . . . . . . . . . . . . . . . . . . 351 Figure 235. Securing the metal cable clamp to the mirror 1 mount (rear view) . . . . . . . . . . . . . . . . . . 351 Figure 236. Cable positioning . . . . . . . . . . . . . . . . . . . . . . . . . . 352 Figure 237. Copyboard glass . . . . . . . . . . . . . . . . . . . . . . . . . . 353 Figure 238. Flexible cable warning label . . . . . . . . . . . . . . . . . 353 Figure 239. Releasing the connector to the flexible cable . . . . 354 Figure 240. Disconnecting the flexible cable . . . . . . . . . . . . . . 355 Figure 241. Connecting the flexible cable . . . . . . . . . . . . . . . . 356 Figure 242. Scanning lamp cover . . . . . . . . . . . . . . . . . . . . . . . 357 Figure 243. Scanning lamp inside cover . . . . . . . . . . . . . . . . . . 357 Figure 244. Anti-reflecting plate . . . . . . . . . . . . . . . . . . . . . . . 358 Figure 245. Detaching the scanning lamp . . . . . . . . . . . . . . . . 359 Figure 246. Removing the scanning lamp . . . . . . . . . . . . . . . . 360 Figure 247. Scanning lamp heater . . . . . . . . . . . . . . . . . . . . . . 360 Figure 248. Replacing the scanning lamp . . . . . . . . . . . . . . . . 361 Figure 249. Scanning lamp adjustment . . . . . . . . . . . . . . . . . . 362 Figure 250. White plate cover removal . . . . . . . . . . . . . . . . . . . 363 Figure 251. Replacing the white plate cover . . . . . . . . . . . . . . . 363 Figure 252. Detaching the claws . . . . . . . . . . . . . . . . . . . . . . . 364 Figure 253. Detaching the intensity-detection PCB . . . . . . . . . 364 Figure 254. Lens mount cover . . . . . . . . . . . . . . . . . . . . . . . . . 365 Figure 255. Detaching the CCD unit . . . . . . . . . . . . . . . . . . . . . 365 Figure 256. CCD unit connectors . . . . . . . . . . . . . . . . . . . . . . . 366 Figure 257. Electrical unit screws and connectors . . . . . . . . . . 367 Figure 258. Reader controller PCB connectors . . . . . . . . . . . . 367 Figure 259. Removing the reader controller PCB cover (1 of 2) 368 Figure 260. Removing the reader controller PCB cover (2 of 2) 368 Figure 261. Removing the electrical unit . . . . . . . . . . . . . . . . . 369 Figure 262. Holding the electrical unit . . . . . . . . . . . . . . . . . . . 369 Figure 263. Detaching the electrical unit cover . . . . . . . . . . . . . 370 Figure 264. Electrical unit connectors . . . . . . . . . . . . . . . . . . . . 370 Figure 265. ECO PCB replacement . . . . . . . . . . . . . . . . . . . . . 371 Figure 266. AP-IP PCB removal . . . . . . . . . . . . . . . . . . . . . . . . 372 Figure 267. Removing the copy module main power supply PCB (DCP1) . . . . . . . . . . . . . . . . . . . . . . . . 373 Figure 268. Accessory power supply . . . . . . . . . . . . . . . . . . . . 374 Figure 269. Power supply cooling fan . . . . . . . . . . . . . . . . . . . . 375 Figure 270. Inverter PCB unit . . . . . . . . . . . . . . . . . . . . . . . . . . 376 Figure 271. ADF external covers . . . . . . . . . . . . . . . . . . . . . . . 377 Figure 272. Opening the ADF . . . . . . . . . . . . . . . . . . . . . . . . . . 378 Figure 273. Removing the ADF . . . . . . . . . . . . . . . . . . . . . . . . 379 Figure 274. Mounting screws . . . . . . . . . . . . . . . . . . . . . . . . . . 380
EN
Figures 11
Figure 275. Figure 276. Figure 277. Figure 278. Figure 279. Figure 280. Figure 281. Figure 282. Figure 283. Figure 284. Figure 285. Figure 286. Figure 287. Figure 288. Figure 289. Figure 290. Figure 291. Figure 292. Figure 293. Figure 294. Figure 295. Figure 296. Figure 297. Figure 298. Figure 299. Figure 300. Figure 301. Figure 302. Figure 303. Figure 304. Figure 305. Figure 306. Figure 307. Figure 308. Figure 309. Figure 310. Figure 311. Figure 312. Figure 313. Figure 314. Figure 315. Figure 316. Figure 317.
Body cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 380 Mounting screws . . . . . . . . . . . . . . . . . . . . . . . . . . 380 Document tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381 Side guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 382 Side guide and screws . . . . . . . . . . . . . . . . . . . . . 383 Opened side guide . . . . . . . . . . . . . . . . . . . . . . . . 383 Mounting the gear . . . . . . . . . . . . . . . . . . . . . . . . . 384 Setting the width detection volume . . . . . . . . . . . . 384 Setting the screws and mounting lock . . . . . . . . . . 385 Connector J12 on pick-up motor . . . . . . . . . . . . . . 385 Pick-up motor cable guide . . . . . . . . . . . . . . . . . . . 386 Detaching the pick-up motor unit . . . . . . . . . . . . . . 386 Feeder motor unit . . . . . . . . . . . . . . . . . . . . . . . . . 387 Feeder motor color sensor . . . . . . . . . . . . . . . . . . 387 Feeder motor drive belts . . . . . . . . . . . . . . . . . . . . 388 Belt motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389 Belt motor clock sensor . . . . . . . . . . . . . . . . . . . . . 389 Belt motor count position . . . . . . . . . . . . . . . . . . . . 390 Feeding the belt drive roller . . . . . . . . . . . . . . . . . . 390 Replacing the belt motor . . . . . . . . . . . . . . . . . . . . 391 Adjusting belt tension . . . . . . . . . . . . . . . . . . . . . . 391 Clutch unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 392 E-ring and bushing . . . . . . . . . . . . . . . . . . . . . . . . 392 Clutch unit slip stop . . . . . . . . . . . . . . . . . . . . . . . . 393 Delivery motor connectors . . . . . . . . . . . . . . . . . . . 394 Delivery motor cable retainer . . . . . . . . . . . . . . . . . 394 Detaching the delivery motor . . . . . . . . . . . . . . . . . 395 Document tray mount . . . . . . . . . . . . . . . . . . . . . . 396 Paper-retaining solenoid . . . . . . . . . . . . . . . . . . . . 396 Inlet guide plate . . . . . . . . . . . . . . . . . . . . . . . . . . . 397 Pick-up roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 397 Reversing roller drive belt . . . . . . . . . . . . . . . . . . . 398 Separation belt unit . . . . . . . . . . . . . . . . . . . . . . . . 398 Separation guide plate . . . . . . . . . . . . . . . . . . . . . . 399 Inside guide plate . . . . . . . . . . . . . . . . . . . . . . . . . 399 Roller unit stopper . . . . . . . . . . . . . . . . . . . . . . . . . 400 Roller unit E-ring, gear, and timing belt . . . . . . . . . 400 Removing the E-ring, arm, and gear . . . . . . . . . . . 401 Removing the feeding roller unit . . . . . . . . . . . . . . 401 Right hinge unit . . . . . . . . . . . . . . . . . . . . . . . . . . . 402 E-ring and bushing . . . . . . . . . . . . . . . . . . . . . . . . 402 Solenoid mount . . . . . . . . . . . . . . . . . . . . . . . . . . . 403 Detaching the spring, screw, and arm . . . . . . . . . . 403
12 Figures
EN
Figure 318. Figure 319. Figure 320. Figure 321. Figure 322. Figure 323. Figure 324. Figure 325. Figure 326. Figure 327. Figure 328. Figure 329. Figure 330. Figure 331. Figure 332. Figure 333. Figure 334. Figure 335. Figure 336. Figure 337. Figure 338. Figure 339. Figure 340. Figure 341. Figure 342. Figure 343. Figure 344. Figure 345. Figure 346. Figure 347. Figure 348. Figure 349. Figure 350. Figure 351. Figure 352. Figure 353. Figure 354. Figure 355. Figure 356. Figure 357. Figure 358. Figure 359. Figure 360.
Link arm shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404 Sensor mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404 Tension spring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405 Grip ring, clock plate, sensor mount, and spring . . 405 Registration roller . . . . . . . . . . . . . . . . . . . . . . . . . 406 Timing belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 407 Gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 408 Unlocking and removing the gear . . . . . . . . . . . . . 408 Grip ring and bushing . . . . . . . . . . . . . . . . . . . . . . 409 Detaching the lower guide stopper . . . . . . . . . . . . 409 Removing the spring . . . . . . . . . . . . . . . . . . . . . . . 410 Registration sensor cover . . . . . . . . . . . . . . . . . . . 410 Disconnecting the sensor connector . . . . . . . . . . . 411 Paper guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 411 Reversing plate (front view) . . . . . . . . . . . . . . . . . 412 Detaching the reversing plate (rear view) . . . . . . . 412 Front plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413 Delivery/reversing roller . . . . . . . . . . . . . . . . . . . . . 413 Body cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414 E-ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414 Delivery roller unit . . . . . . . . . . . . . . . . . . . . . . . . . 415 Removing the screw and spring . . . . . . . . . . . . . . 416 Disengaging the connector . . . . . . . . . . . . . . . . . . 416 Detaching the timing belt and motor unit . . . . . . . . 417 Detaching the delivery roller unit . . . . . . . . . . . . . . 418 Gear and timing belt . . . . . . . . . . . . . . . . . . . . . . . 419 Unlocking and removing the gear . . . . . . . . . . . . . 419 Reversing guide spring, front . . . . . . . . . . . . . . . . . 420 Reversing guide spring, rear . . . . . . . . . . . . . . . . . 420 Detaching the solenoid unit . . . . . . . . . . . . . . . . . . 420 Reversing the sensor jack and grounding cord . . . 421 Detaching the reversing guide . . . . . . . . . . . . . . . . 421 Document tray mounting plate . . . . . . . . . . . . . . . . 422 Stopper plate solenoid . . . . . . . . . . . . . . . . . . . . . . 422 Solenoid positioning . . . . . . . . . . . . . . . . . . . . . . . 423 Test strips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 424 Delivery roller and pick-up roll . . . . . . . . . . . . . . . . 424 Inserting the test strip . . . . . . . . . . . . . . . . . . . . . . 425 Paper-deflecting solenoid . . . . . . . . . . . . . . . . . . . 426 Flapper plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 427 E-ring and bushing . . . . . . . . . . . . . . . . . . . . . . . . 427 Delivery roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 428 Paper-guide plate . . . . . . . . . . . . . . . . . . . . . . . . . 428
EN
Figures 13
Figure 361. Figure 362. Figure 363. Figure 364. Figure 365. Figure 366. Figure 367. Figure 368. Figure 369. Figure 370. Figure 371. Figure 372. Figure 373. Figure 374. Figure 375. Figure 376. Figure 377. Figure 378. Figure 379. Figure 380. Figure 381. Figure 382. Figure 383. Figure 384. Figure 385. Figure 386. Figure 387. Figure 388. Figure 389. Figure 390. Figure 391. Figure 392. Figure 393. Figure 394. Figure 395. Figure 396. Figure 397. Figure 398. Figure 399. Figure 400. Figure 401. Figure 402.
Sensor flag and connector . . . . . . . . . . . . . . . . . . . 429 Delivery roller mount . . . . . . . . . . . . . . . . . . . . . . . 429 Delivery roller and stamp solenoid mount . . . . . . . 429 Stamp solenoid . . . . . . . . . . . . . . . . . . . . . . . . . . . 430 Spring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431 Placing the spring in the temporary position on the retaining hook . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431 Detaching the solenoid . . . . . . . . . . . . . . . . . . . . . 432 Detaching the side plate . . . . . . . . . . . . . . . . . . . . 432 Delivery unit linking plate . . . . . . . . . . . . . . . . . . . . 433 Removing the feeding belt . . . . . . . . . . . . . . . . . . . 433 External covers . . . . . . . . . . . . . . . . . . . . . . . . . . . 434 Rear cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 434 Upper left cover and screws . . . . . . . . . . . . . . . . . 435 Front cover and screws . . . . . . . . . . . . . . . . . . . . . 435 Rear cover and screws . . . . . . . . . . . . . . . . . . . . . 436 Upper right cover and screws . . . . . . . . . . . . . . . . 436 Paper-size limit panel . . . . . . . . . . . . . . . . . . . . . . 437 Fixing plate and limit panel . . . . . . . . . . . . . . . . . . 438 Connectors and cable clamps . . . . . . . . . . . . . . . . 439 Pick-up unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 439 Pick-up roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 440 Feed roller and separation roller . . . . . . . . . . . . . . 441 Preparing to remove the lifter wire . . . . . . . . . . . . . 442 E-ring and pulley cover . . . . . . . . . . . . . . . . . . . . . 442 Pulley cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 443 Screw and lifter wire . . . . . . . . . . . . . . . . . . . . . . . 444 Parts removal behind the lifter wire . . . . . . . . . . . . 445 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446 Paper-detection unit . . . . . . . . . . . . . . . . . . . . . . . 446 Lifter drive unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447 Rear panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447 E-ring and gear . . . . . . . . . . . . . . . . . . . . . . . . . . . 448 E-ring and pulley cover . . . . . . . . . . . . . . . . . . . . . 448 Bracket removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 449 Lifter wire removal . . . . . . . . . . . . . . . . . . . . . . . . . 450 Tightening the lifter wire . . . . . . . . . . . . . . . . . . . . 451 Lifter motor (M1) . . . . . . . . . . . . . . . . . . . . . . . . . . 452 Feeder motor (M2) . . . . . . . . . . . . . . . . . . . . . . . . . 452 Pick-up motor (M3) . . . . . . . . . . . . . . . . . . . . . . . . 453 Deck controller PCB . . . . . . . . . . . . . . . . . . . . . . . 453 Power supply PCB . . . . . . . . . . . . . . . . . . . . . . . . . 454 Standard image sample . . . . . . . . . . . . . . . . . . . . . 464
14 Figures
EN
Figure 403. Figure 404. Figure 405. Figure 406. Figure 407. Figure 408. Figure 409. Figure 410. Figure 411. Figure 412. Figure 413. Figure 414. Figure 415. Figure 416. Figure 417. Figure 418. Figure 419. Figure 420. Figure 421. Figure 422. Figure 423. Figure 424. Figure 425. Figure 426. Figure 427. Figure 428. Figure 429. Figure 430. Figure 431. Figure 432. Figure 433. Figure 434. Figure 435. Figure 436. Figure 437. Figure 438. Figure 439. Figure 440. Figure 441. Figure 442. Figure 443. Figure 444. Figure 445.
Horizontal stripe test print . . . . . . . . . . . . . . . . . . . 466 256-color test print . . . . . . . . . . . . . . . . . . . . . . . . . 467 256-gradation test print . . . . . . . . . . . . . . . . . . . . . 468 16-gradation test print . . . . . . . . . . . . . . . . . . . . . . 469 Halftone test print . . . . . . . . . . . . . . . . . . . . . . . . . 470 Grid test print . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 471 CMYK 64-gradation test print . . . . . . . . . . . . . . . . 472 RGB 64-gradation test print . . . . . . . . . . . . . . . . . . 473 Full-color 16-gradation test print . . . . . . . . . . . . . . 474 Full-color light area 16-gradation test print . . . . . . 475 Leakage breaker . . . . . . . . . . . . . . . . . . . . . . . . . . 520 DIP switch on the DADF controller PCB . . . . . . . . 534 Figure 5-101 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 535 Figure 5-102 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 536 Interface assembly location . . . . . . . . . . . . . . . . . . 552 ECO-2 PCB Assembly . . . . . . . . . . . . . . . . . . . . . . 553 Interface assembly . . . . . . . . . . . . . . . . . . . . . . . . 554 Stand assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 556 Assembly location diagram . . . . . . . . . . . . . . . . . . 561 External covers and panels . . . . . . . . . . . . . . . . . . 562 Internal components (1 of 3) . . . . . . . . . . . . . . . . . 564 Internal components (2 of 3) . . . . . . . . . . . . . . . . . 566 Internal components (3 of 3) . . . . . . . . . . . . . . . . . 568 Power cord terminal assembly . . . . . . . . . . . . . . . 570 Control panel assembly . . . . . . . . . . . . . . . . . . . . . 572 Copyboard cover assembly . . . . . . . . . . . . . . . . . . 574 Mirror assembly 1 . . . . . . . . . . . . . . . . . . . . . . . . . 576 Electrical tray assembly . . . . . . . . . . . . . . . . . . . . . 578 Dc power supply PCA . . . . . . . . . . . . . . . . . . . . . . 580 APC power supply PCA . . . . . . . . . . . . . . . . . . . . . 582 Noise filter PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . 583 Control panel PCA . . . . . . . . . . . . . . . . . . . . . . . . . 584 Control panel CPU PCA . . . . . . . . . . . . . . . . . . . . 585 Control panel inverter PCA . . . . . . . . . . . . . . . . . . 586 Reader controller PCA . . . . . . . . . . . . . . . . . . . . . . 587 Analog image processor PCA . . . . . . . . . . . . . . . . 588 Motor driver PCA . . . . . . . . . . . . . . . . . . . . . . . . . . 589 Inverter PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 590 Connectors (1 of 3) . . . . . . . . . . . . . . . . . . . . . . . . 591 Connectors (2 of 3) . . . . . . . . . . . . . . . . . . . . . . . . 597 Connectors (3 of 3) . . . . . . . . . . . . . . . . . . . . . . . . 598 Assembly locations . . . . . . . . . . . . . . . . . . . . . . . . 605 Mounting hardware . . . . . . . . . . . . . . . . . . . . . . . . 606
EN
Figures 15
Figure 446. Figure 447. Figure 448. Figure 449. Figure 450. Figure 451. Figure 452. Figure 453. Figure 454. Figure 455. Figure 456. Figure 457. Figure 458. Figure 459. Figure 460. Figure 461. Figure 462. Figure 463. Figure 464. Figure 465. Figure 466. Figure 467. Figure 468. Figure 469. Figure 470. Figure 471. Figure 472. Figure 473. Figure 474.
External covers and panels . . . . . . . . . . . . . . . . . . 607 DF assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 608 Document tray assembly . . . . . . . . . . . . . . . . . . . . 612 Upper cover assembly . . . . . . . . . . . . . . . . . . . . . . 614 RF assembly (1 of 4) . . . . . . . . . . . . . . . . . . . . . . . 616 RF assembly (2 of 4) . . . . . . . . . . . . . . . . . . . . . . . 620 RF assembly (3 of 4) . . . . . . . . . . . . . . . . . . . . . . . 624 RF assembly (4 of 4) . . . . . . . . . . . . . . . . . . . . . . . 628 Right paper delivery assembly . . . . . . . . . . . . . . . 630 Paper feed motor assembly . . . . . . . . . . . . . . . . . . 632 Belt drive motor assembly . . . . . . . . . . . . . . . . . . . 634 Upper paper guide assembly . . . . . . . . . . . . . . . . . 636 Lower paper guide assembly . . . . . . . . . . . . . . . . . 638 Separation roller assembly . . . . . . . . . . . . . . . . . . 640 Paper separation assembly . . . . . . . . . . . . . . . . . . 642 RDF controller PCA . . . . . . . . . . . . . . . . . . . . . . . . 644 Connectors (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . 645 Connectors (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . 648 Assembly locations . . . . . . . . . . . . . . . . . . . . . . . . 652 Mounting hardware . . . . . . . . . . . . . . . . . . . . . . . . 653 External covers and panels . . . . . . . . . . . . . . . . . . 654 Internal components (1 of 3) . . . . . . . . . . . . . . . . . 656 Internal components (2 of 3) . . . . . . . . . . . . . . . . . 658 Internal components (3 of 3) . . . . . . . . . . . . . . . . . 660 Lifter drive assembly . . . . . . . . . . . . . . . . . . . . . . . 663 Paper pick-up assembly (1 of 2) . . . . . . . . . . . . . . 664 Paper pick-up assembly (2 of 2) . . . . . . . . . . . . . . 666 Deck controller PCA . . . . . . . . . . . . . . . . . . . . . . . 668 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 669
16 Figures
EN
Tables
Table 1. Table 2. Table 3. Table 4. Table 5. Table 6. Table 7. Table 8. Table 9. Table 10. Table 11. Table 12. Table 13. Table 14. Table 15. Table 16. Table 17. Table 18. Table 19. Table 20. Table 21. Table 22. Table 23. Table 24. Table 25. Table 26. Table 27. Table 28. Table 29. Table 30. Table 31. Table 32. Table 33. Table 34. Table 35. Table 36. Table 37. Table 38.
EN
First copy time (in seconds*) . . . . . . . . . . . . . . . . . . . . 24 Copying speed (pages per minute) . . . . . . . . . . . . . . . 24 Operating conditions--copy/print . . . . . . . . . . . . . . . . 25 Electrical specifications--copy/print . . . . . . . . . . . . . . 25 Physical specifications--copy/print . . . . . . . . . . . . . . . 25 Electrical specifications--ADF . . . . . . . . . . . . . . . . . . 29 Physical specifications--ADF . . . . . . . . . . . . . . . . . . . 29 Supported media--ADF . . . . . . . . . . . . . . . . . . . . . . . 29 Operating conditions--side HCI . . . . . . . . . . . . . . . . . 32 Electrical specifications--side HCI . . . . . . . . . . . . . . . 32 Physical specifications--side HCI . . . . . . . . . . . . . . . . 32 Ordering parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Technical support websites . . . . . . . . . . . . . . . . . . . . . 40 Asia Pacific countr/region Customer Care Centers . . 46 Copy module functionality . . . . . . . . . . . . . . . . . . . . . . 51 Common settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Copy module settings . . . . . . . . . . . . . . . . . . . . . . . . . 54 Timer settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Adjustment/cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Self-diagnostic (error) messages . . . . . . . . . . . . . . . . 59 Service mode sub-items . . . . . . . . . . . . . . . . . . . . . . . 60 Copier, display mode menu . . . . . . . . . . . . . . . . . . . . 65 Copier, display mode Level 2 and Level 3 menus . . . 66 Country code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Language code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Series code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 JAM screen legend . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Types of jams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 First 2 digits of FFFF (type of jam) . . . . . . . . . . . . . . . 72 Last 2 digits of FFFF (jam sensor) . . . . . . . . . . . . . . . 73 G (pick-up position) . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Pick-up jams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 Detecting jams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 ERR screen legend . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Copier, I/O mode descriptions. . . . . . . . . . . . . . . . . . . 77 Copier, I/O mode Level 2 and Level 3 menus . . . . . . . 79 Copier, adjust menu descriptions . . . . . . . . . . . . . . . . 83 Copier, adjust mode Level 2 and Level 3 menus . . . . 84 Tables 17
Table 39. Table 40. Table 41. Table 42. Table 43. Table 44. Table 45. Table 46. Table 47. Table 48. Table 49. Table 50. Table 51. Table 52. Table 53. Table 54. Table 55. Table 56. Table 57. Table 58. Table 59. Table 60. Table 61. Table 62. Table 63. Table 64. Table 65. Table 66. Table 67. Table 68. Table 69. Table 70. Table 71. Table 72. Table 73. Table 74. Table 75. Table 76. Table 77. Table 78. 18 Tables
Copier, run/check mode menu descriptions . . . . . . . . 93 Copier, run/check mode Level 2 and Level 3 menus . 94 Control panel key descriptions . . . . . . . . . . . . . . . . . . 96 Copier, machine settings menu descriptions . . . . . . . 98 Copier, machine settings mode Level 2 and Level 3 menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 Copier, machine settings mode, soft counter specifications . . . . . . . . . . . . . . . . . . . . . 103 Soft counter defaults by voltage and country . . . . . . 107 Copier, test print mode Level 2 and Level 3 menus . 109 Test print options . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 Copier counter menu descriptions . . . . . . . . . . . . . . 111 Copier, counter mode Level 2 and Level 3 menus . . 112 Feeder options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 Serviceable printer parts . . . . . . . . . . . . . . . . . . . . . 119 Feeding power measurements . . . . . . . . . . . . . . . . . 154 Periodically replaced parts . . . . . . . . . . . . . . . . . . . . 163 Items to be cleaned . . . . . . . . . . . . . . . . . . . . . . . . . 166 Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174 Warm-up and standby phases . . . . . . . . . . . . . . . . . 184 Sequence functions . . . . . . . . . . . . . . . . . . . . . . . . . 187 Scanning lamp/scanning lamp heater errors. . . . . . . 196 Identifying original size, metric . . . . . . . . . . . . . . . . . 199 Identifying original-size, inches . . . . . . . . . . . . . . . . . 199 PCB functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 BGR->YMC conversion. . . . . . . . . . . . . . . . . . . . . . . 217 Enlargement/reduction and image processing . . . . . 222 Copy module fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234 Power saving function . . . . . . . . . . . . . . . . . . . . . . . . 235 Copy module main power supply . . . . . . . . . . . . . . . 239 Accessories power supply (secondary side) . . . . . . . 239 Page composition sizes . . . . . . . . . . . . . . . . . . . . . . 255 Europe/Asia (A4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273 U.S. (Letter). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273 Relationship between pick-up motor signals and the pick-up roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276 Relationship between belt motor drive signal and the feeding belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278 Jam detection sensors . . . . . . . . . . . . . . . . . . . . . . . 279 Jam detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280 Improper placement of originals sensors . . . . . . . . . 282 Improper placement detection. . . . . . . . . . . . . . . . . . 283 Motors, solenoids, and sensors . . . . . . . . . . . . . . . . 286 PCB functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
EN
Table 79. Table 80. Table 81. Table 82. Table 83. Table 84. Table 85. Table 86. Table 87. Table 88. Table 89. Table 90. Table 91. Table 92. Table 93. Table 94. Table 95. Table 96. Table 97. Table 98. Table 99. Table 100. Table 101. Table 102. Table 103. Table 104. Table 105. Table 106. Table 107. Table 108. Table 109. Table 110. Table 111. Table 112. Table 113. Table 114. Table 115. Table 116. Table 117. Table 118. Table 119. Table 120. Table 121.
LEDs on the indicator PCB . . . . . . . . . . . . . . . . . . . . 288 Names and abbreviations of signals . . . . . . . . . . . . . 289 Remaining paper detection switches . . . . . . . . . . . . 311 Sensor functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315 Solenoid and motor functions . . . . . . . . . . . . . . . . . . 316 PCB functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317 Deck controller switches and LEDs. . . . . . . . . . . . . . 319 User LED. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320 Signal names and codes . . . . . . . . . . . . . . . . . . . . . . 321 Service tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331 Test pattern types . . . . . . . . . . . . . . . . . . . . . . . . . . . 465 Common image faults . . . . . . . . . . . . . . . . . . . . . . . . 476 Repetitive image defects . . . . . . . . . . . . . . . . . . . . . . 482 Errors based on LED lighting cycle . . . . . . . . . . . . . . 537 Interface assembly location. . . . . . . . . . . . . . . . . . . . 552 ECO-2 PCB Assembly . . . . . . . . . . . . . . . . . . . . . . . 553 Interface assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 554 Stand screw/ring kit . . . . . . . . . . . . . . . . . . . . . . . . . . 555 Stand assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 557 Screw/ring kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 558 Belt kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 559 Gear/pulley kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 560 Spring kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 560 External covers and panels . . . . . . . . . . . . . . . . . . . . 563 Internal components (1 of 3) . . . . . . . . . . . . . . . . . . . 565 Internal components (2 of 3) . . . . . . . . . . . . . . . . . . . 566 Internal components (3 of 3) . . . . . . . . . . . . . . . . . . . 569 Power cord terminal assembly . . . . . . . . . . . . . . . . . 571 Control panel assembly. . . . . . . . . . . . . . . . . . . . . . . 573 Copyboard cover assembly. . . . . . . . . . . . . . . . . . . . 575 Mirror assembly 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 577 Electrical tray assembly . . . . . . . . . . . . . . . . . . . . . . 579 Dc power supply PCA . . . . . . . . . . . . . . . . . . . . . . . . 581 APC power supply PCA . . . . . . . . . . . . . . . . . . . . . . 582 Noise filter PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583 Control panel PCA . . . . . . . . . . . . . . . . . . . . . . . . . . 584 Control panel CPU PCA . . . . . . . . . . . . . . . . . . . . . . 585 Control panel inverter PCA . . . . . . . . . . . . . . . . . . . . 586 Reader controller PCA . . . . . . . . . . . . . . . . . . . . . . . 587 Analog image processor PCA . . . . . . . . . . . . . . . . . . 588 Motor driver PCA. . . . . . . . . . . . . . . . . . . . . . . . . . . . 589 Inverter PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 590 Connectors (1 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . 591
EN
Tables 19
Table 122. Table 123. Table 124. Table 125. Table 126. Table 127. Table 128. Table 129. Table 130. Table 131. Table 132. Table 133. Table 134. Table 135. Table 136. Table 137. Table 138. Table 139. Table 140. Table 141. Table 142. Table 143. Table 144. Table 145. Table 146. Table 147. Table 148. Table 149. Table 150. Table 151. Table 152. Table 153. Table 154. Table 155. Table 156. Table 157. Table 158. Table 159. Table 160. Table 161. Table 162. Table 163. Table 164.
Connectors (2 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . 597 Connectors (3 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . 598 Belt kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600 Bushing kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 601 Gear/pulley kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 601 Pin kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 602 Screw/ring kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 602 Spring kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 604 Mounting hardware . . . . . . . . . . . . . . . . . . . . . . . . . . 606 External covers and panels . . . . . . . . . . . . . . . . . . . . 607 DF assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 609 Document tray assembly. . . . . . . . . . . . . . . . . . . . . . 613 Upper cover assembly . . . . . . . . . . . . . . . . . . . . . . . 615 RF assembly (1 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . 617 RF assembly (2 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . 621 RF assembly (3 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . 625 RF assembly (4 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . 629 Right paper delivery assembly . . . . . . . . . . . . . . . . . 631 Paper feed motor assembly . . . . . . . . . . . . . . . . . . . 633 Belt drive motor assembly . . . . . . . . . . . . . . . . . . . . . 635 Upper paper guide assembly . . . . . . . . . . . . . . . . . . 637 Lower paper guide assembly . . . . . . . . . . . . . . . . . . 639 Separation roller assembly . . . . . . . . . . . . . . . . . . . . 641 Paper separation assembly. . . . . . . . . . . . . . . . . . . . 643 RDF controller PCA. . . . . . . . . . . . . . . . . . . . . . . . . . 644 Connectors (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . 645 Connectors (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . 648 Bushing kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 649 Gear/pulley kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 649 Screw/ring kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 650 Spring kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 651 Mounting hardware . . . . . . . . . . . . . . . . . . . . . . . . . . 653 External covers and panels . . . . . . . . . . . . . . . . . . . 655 Internal components (1 of 3) . . . . . . . . . . . . . . . . . . . 657 Internal components (2 of 3) . . . . . . . . . . . . . . . . . . . 659 Internal components (3 of 3) . . . . . . . . . . . . . . . . . . . 661 Lifter drive assembly . . . . . . . . . . . . . . . . . . . . . . . . . 663 Paper pick-up assembly (1 of 2) . . . . . . . . . . . . . . . . 665 Paper pick-up assembly (2 of 2) . . . . . . . . . . . . . . . . 667 Deck controller PCA . . . . . . . . . . . . . . . . . . . . . . . . . 668 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 669 Numerical parts list . . . . . . . . . . . . . . . . . . . . . . . . . . 672 Alphabetical parts list . . . . . . . . . . . . . . . . . . . . . . . . 680
20 Tables
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1
Product information
Chapter contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Copy module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Automatic document feeder (ADF) . . . . . . . . . . . . . . . . . . . . 28 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Side high-capacity input (side HCI) . . . . . . . . . . . . . . . . . . . . 32 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Model and serial numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Safety and regulatory information . . . . . . . . . . . . . . . . . . . . . 35 Declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . 35 FCC regulations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
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Chapter contents 21
22 Chapter 1 - Product information
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Introduction
The HP Color LaserJet 8550 Multi-Function Printer (MFP) system consists of the following:
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Copy module Stand Print engine Optional automatic document feeder (ADF) Optional side high-capacity input (side HCI)
Copy module
Features
Control panel Copy speed (letter/A4) Copy speed (ledger/A3) Original type Magnification
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320-by-230 dot LCD touch screen 6 pages per minute (ppm) full color 24 ppm monochrome 3 ppm full color 12 ppm monochrome Sheet, book, three-dimensional object (2 kilogram maximum) Nine preset reduction and enlargement percentages Zoom: 25% to 400%, by 1% increments 600 dots per inch by 600 lines per inch
Resolution Advanced copying features:
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Up to 100 continuous copies Auto clear (two minute standard; variable, can be disabled) Auto color select (identifies original to select four-color or mono copy) One-touch adjust (vivid colors, tranquil colors, lighten image, darken image, highlight reproduction, old-fashioned photo) Color adjust (color balance, density range YMCK adjustment) Auto power save (30-minute standard; variable, can be disabled) Low power (one-hour standard; variable in user mode) Original mode (text/photo/map, printed image, photo, black text)
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Introduction 23
Advanced copying features (continued):
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Frame erase Blind margin Auto gradation correction Auto exposure Auto paper select Auto zoom Two-page separation Heavy-sheet original Image creation
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Image shift Margin Color balance Sharpness Single color Image separation Mode memory and recall Framing/blanking Image combination
Specifications
Speed
Table 1. First copy time (in seconds*)
Type
Plain paper Thick paper Transparency
Size
A4, Letter A4, Letter A4, Letter
4-color
34 50 57
Mono-color
18 35 41
*Times shown assume A4-size media, direct copy using cassette 1, face-up delivery, and no pre-scanning; for face-down delivery, add three seconds for plain paper, six seconds for thick paper, and seven seconds for transparencies.
Table 2. Copying speed (pages per minute)
Source
Plain paper Cassette Multifeeder
Size
A3, B4, A4R, B5, 11 by 17, Legal, Letter A4/LTR
4-color
3 ppm
Mono-color
12 ppm
6 ppm 1.2 ppm 2.4 ppm 2.1 ppm
24 ppm 1.7 ppm 3.4 ppm 2.8 ppm
Thick paper Transparency
Multifeeder Multifeeder
A3/11 by 17 A4/LTR A4/LTR
24 Chapter 1 - Product information
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Environmental
Table 3. Operating conditions--copy/print
Temperature Humidity Atmospheric pressure Acoustic emissions Ozone emissions 15° to 27.5° C 59° to 81.5° F 20% to 80% RH 786 to 1013 hPa (560 to 760 mmHg) 74 dB copying 62 dB standby 0.05 ppm or less 0.02 ppm or less
Electrical
Table 4. Electrical specifications--copy/print
Power source: 110 V units 220 V units Maximum power consumption 100-127 Vac ± 10% at 50 Hz ± 2 Hz, 60 Hz ± 2 Hz 220-240 Vac ± 10% at 50 Hz ± 2 Hz 1.5 kW or less
Physical
Table 5. Physical specifications--copy/print
Weight Dimensions (mm) 39 kg (348 lb) Width: 673 mm (26.5 in) Height: 190 mm (7.5 in) Depth: 787 mm (31.0 in)
Supported media sizes
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A3 A4R A4 legal
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B4 B5 11-by-17 inches letter
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Copy module 25
Overview
2 1
2 2 3
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Figure 1.
Copy module front left 1 2 3 4 Copyboard cover Copyboard glass Control panel Power supply cooling fan air inlet
2 1
2
2 3
2 4
Figure 2.
Copy module front right 1 2 3 4 Control key switch Power supply cord connector Rear power switch Printer power cord connector
26 Chapter 1 - Product information
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2
2 4
2 5
2 6
2 3
Figure 3. 1 2 3 4 5 6
2 1
Copy module cross-section Number 1 mirror Number 2 mirror Number 3 mirror Scanning lamp Lens Charge-coupled device (CCD)
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Copy module 27
Automatic document feeder (ADF)
The ADF is not part of the standard MFP bundle. It can be ordered as an option.
Features
The ADF can identify the size of an original in terms of its length (feeding direction) and width for communication to