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FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 DIS/REASSEMBLY, ADJUSTMENT
98.04.13




EP1054/EP1085/EP2030


DIS/REASSEMBLY,
ADJUSTMENT




18605
FrameMaker Ver55(PC) EP1054/EP1085/EP2030 DWREASSEMBLY, ADJUSTMENT


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98.04.13

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CONTENTS
1. SERVICE INSTRUCTIONS ............................................................................. D-l
l - l . INSTRUCTIONS FOR HANDLING THE PWBs WITH MOS ICs ............. D-l
l-2. HANDLING OF THE PC DRUM .............................................................. D-l
l-3. PARTS WHICH MUST NOT BE TOUCHED ........................................... D-4
(1) Screws ............................................................................................. D-4
(2) Variable Resistors on Board ............................................................ D-4
(3) Other Screws ................................................................................... D-4
2. DISASSEMBLY/REASSEMBLY ...................................................................... D-5
2-l. DOORS, COVERS, AND EXTERIOR PARTS: IDENTIFICATION AND
REMOVAL PROCEDURES ..................................................................... D-5
2-2. REMOVAL OF PWBs .............................................................................. D-8
2-3. BELT INSTALLATIONS ........................................................................... D-IO
2-4. PAPER TAKE-UP/TRANSPORT SECTIONS ......................................... D-l 1
(1) Removal of the Paper Take-Up Unit ................................................ D-l 1
(2) Removal of the Paper Take-Up Rolls .............................................. D-12
(3) Cleaning of the Paper Take-Up Rolls .............................................. D-12
(4) Removal of the Suction Unit ............................................................ D-12
(5) Disassembly of the Suction Unit ...................................................... D-13
(6) Replacement of the Paper Lifting Springs (2nd Drawer):
23 cpm copier only .......................................................................... D-l 4
(7) Disassembly of the Multi Bypass Table
(15/l 8 cpm copier: OPTION) ........................................................... D-l 5
2-5. OPTICAL SECTION ................................................................................ D-20
(1) Removal of the Lens Drive Cable .................................................... D-20
(2) Winding of the Lens Drive Cable ..................................................... D-21
(3) Removal of the Scanner Drive Cable .............................................. D-22
(4) Winding of the Scanner Drive Cable ............................................... D-25
(5) Removal of the Scanner .................................................................. D-29
(6) Cleaning of the Exposure Lamp ...................................................... D-29
(7) Cleaning of the lst/2nd/3rd Mirrors ................................................. D-30
(8) Cleaning of the Lens and 4th Mirror ................................................ D-30
(9) Cleaning of the Optical Section Cooling Fan Filter
(15/l 8 cpm copier only) ................................................................... D-30
2-6. IMAGING UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-31
(1) Disassembly, Cleaning, Replacement and Starter Changing of
the Imaging Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-31
(2) Cleaning of the Main Erase Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-35
(3) Cleaning of the Image Erase Lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-35
2-7. PC DRUM CHARGE CORONA/IMAGE TRANSFER CORONA UNIT . . . . D-37
(1) Cleaning of the PC Drum Charge Corona Housing . . . . . . . . . . . . . . . . . . . . . . . . . D-37
(2) Cleaning of the PC Drum Charge Corona Grid Mesh . . . . . . . . . . . . . . . . . . . . . D-38
(3) Cleaning of the Comb Electrode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-38
(4) Cleaning of the Image Transfer/Paper Separator Coronas Wires . . . D-38
(5) Cleaning of the Image Transfer/Paper Separator Coronas
Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-39
(6) Cleaning of the Lower Pre-Image Transfer Guide Plate . . . . . . . . . . . . . . . . . . D-39


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(7) Replacement of the Ozone Filter ..................................................... D-39
2-8. FUSING UNIT .......................................................................................... D-40
(1) Removal of the Fusing Unit ............................................................. D-40
(2) Cleaning of the Pre-Fusing Guide Plate .......................................... D-41
(3) Removal of the Upper Fusing Roller ............................................... D-41
(4) Cleaning of the Upper Fusing Roller ............................................... D-43
(5) Cleaning of the Upper Paper Separator Fingers ............................. D-43
(6) Cleaning of the Fusing Thermistor .................................................. D-43
(7) Removal of the Lower Fusing Roller ............................................... D-43
(8) Cleaning of the Lower Fusing Roller ............................................... D-44
(9) Cleaning of the Lower Paper Separator Fingers ............................. D-44
(10) Disassembly of the Exit/Duplex Switching Unit (Option) ................. D-45
3. ADJUSTMENT ................................................................................................. D-49
3-1. JIGS AND TOOLS USED ........................................................................ D-49
3-2. ADJUSTMENT REQUIREMENTS LIST .................................................. D-50
3-3. ADJUSTMENT OF SWITCHES ............................................................... D-51
(1) Adjustment of Front Door Interlock Switch S21 ............................... D-51
3-4. ELECTRICAL/IMAGE ADJUSTMENTS .................................................. D-52
(1) Adjustment of the Maximum Exposure Lamp Voltage for
the Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-52
(2) Adjustment of the Optimum Exposure Setting in the Manual Mode D-55
(3) Adjustment of the Optimum Exposure Setting in the Auto Mode . . . . D-56
(4) Adjustment of the ATDC Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-57
(5) Adjustment of the Aperture Blades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-58
(6) Adjustment of the Multi Bypass Table Reference Position . . . . . . . . . . . . . . D-59
(7) Adjustment of the 1 st/2nd (23 cpm copier only)
Drawer Reference Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-60
(8) Adjustment of the Paper Lifting Plate Springs (2nd Drawer):
23 cpm copier only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-61
(9) Adjustment of the Leading Edge Registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-62
(10) Adjustment of the Image Leading Edge Erase Width ...................... D-66
(11) Adjustment of the Image Erase Lamp Position ............................... D-68
3-5. OTHER ADJUSTMENTS ......................................................................... D-69
(1) Adjustment of the Scanner/Mirrors Carriage Position ..................... D-69
(2) Adjustment of the Gap Between the Doctor Blade and
Sleeve Roller ................................................................................... D-70
(3) Adjustment of the Original Size Detecting Board ............................ D-71
4. MISCELLANEOUS .......................................................................................... D-72
4-l. INSTALLATION OF THE PLUG-IN COUNTER MOUNTING BRACKET
(OPTION) ..................................................................................... ..- ......... DJ2




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FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 DIS/REASSEMBLY, ADJUSTMENT
98.04.13




1 SERVICE INSTRUCTIONS

1-1. INSTRUCTIONS FOR HANDLING THE PWBs WITH MOS ICs
The following precautions must be observed when handling P.W. Boards with MOS
(Metal Oxide Semiconductor) ICs.

During Transportation/Storage: