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B089/B093 SERVICE MANUAL
001783MIU
RICOH GROUP COMPANIES

®

®

RICOH GROUP COMPANIES

B089/B093 SERVICE MANUAL

B089/B093 SERVICE MANUAL

001783MIU

It is the reader's responsibility when discussing the information contained within this document to maintain a level of confidentiality that is in the best interest of Ricoh Corporation and its member companies. NO PART OF THIS DOCUMENT MAY BE REPRODUCED IN ANY FASHION AND DISTRIBUTED WITHOUT THE PRIOR PERMISSION OF RICOH CORPORATION. All product names, domain names or product illustrations, including desktop images, used in this document are trademarks, registered trademarks or the property of their respective companies. They are used throughout this book in an informational or editorial fashion only and for the benefit of such companies. No such use, or the use of any trade name, or web site is intended to convey endorsement or other affiliation with Ricoh products.

2003 RICOH Corporation. All rights reserved.

WARNING
The Service Manual contains information regarding service techniques, procedures, processes and spare parts of office equipment distributed by Ricoh Corporation. Users of this manual should be either service trained or certified by successfully completing a Ricoh Technical Training Program. Untrained and uncertified users utilizing information contained in this service manual to repair or modify Ricoh equipment risk personal injury, damage to property or loss of warranty protection. Ricoh Corporation

LEGEND
PRODUCT CODE B089 B093 GESTETNER DSm622 DSm627 COMPANY LANIER RICOH LD122 Aficio 2022 LD127 Aficio 2027 SAVIN 4022 4027

DOCUMENTATION HISTORY
REV. NO. * DATE 10/2003 COMMENTS Original Printing

B089/B093
TABLE OF CONTENTS
OVERALL INFORMATION
1. OVERALL MACHINE INFORMATION......................................... 1-1
1.1 SPECIFICATIONS...............................................................................1-1 1.2 MACHINE CONFIGURATION ...................................................................1-4 1.2.1 SYSTEM COMPONENTS ................................................................1-4 1.2.2 INSTALLABLE OPTIONAL TABLE...................................................1-6 Copier options.......................................................................................1-6 Fax option .............................................................................................1-6 Printer/scanner options .........................................................................1-6 1.3 PAPER PATH............................................................................................1-7 1.4 MECHANICAL COMPONENT LAYOUT ...................................................1-8 1.5 ELECTRICAL COMPONENT DESCRIPTIONS ......................................1-10 1.6 DRIVE LAYOUT ......................................................................................1-13 1.7 COPY PROCESS....................................................................................1-14 1.7.1 OVERVIEW ....................................................................................1-14 1.8 BOARD STRUCTURE.............................................................................1-16 1.8.1 OVERVIEW ....................................................................................1-16 1.8.2 CONTROLLER ...............................................................................1-18

DETAILED DESCRIPTIONS
2. DETAILED SECTION DESCRIPTIONS ....................................... 2-1
2.1 SUMMARY ................................................................................................2-1 2.2 SCANNING................................................................................................2-2 2.2.1 OVERVIEW ......................................................................................2-2 2.2.2 SCANNER DRIVE ............................................................................2-3 2.2.3 ORIGINAL SIZE DETECTION IN PLATEN MODE...........................2-4 2.3 IMAGE PROCESSING ..............................................................................2-6 2.3.1 OVERVIEW ......................................................................................2-6 2.3.2 SBU (SENSOR BOARD UNIT).........................................................2-7 2.3.3 AUTO IMAGE DENSITY...................................................................2-8 2.3.4 IPU (IMAGE PROCESSING UNIT)...................................................2-9 2.3.5 VIDEO CONTROL UNIT (VCU)......................................................2-21 2.4 LASER EXPOSURE................................................................................2-22 2.4.1 OVERVIEW ....................................................................................2-22 2.4.2 AUTO POWER CONTROL (APC) ..................................................2-23 2.4.3 LD SAFETY SWITCH .....................................................................2-24 2.5 PHOTOCONDUCTOR UNIT (PCU) ........................................................2-25 2.5.1 OVERVIEW ....................................................................................2-25 2.5.2 DRIVE.............................................................................................2-26 2.5.3 NEW PCU DETECTION .................................................................2-27

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2.6 DRUM CHARGE .....................................................................................2-28 2.6.1 OVERVIEW ....................................................................................2-28 2.6.1 CHARGE ROLLER VOLTAGE CORRECTION ..............................2-29 2.6.2 ID SENSOR PATTERN PRODUCTION TIMING............................2-30 2.6.3 DRUM CHARGE ROLLER CLEANING ..........................................2-31 2.7 DEVELOPMENT .....................................................................................2-32 2.7.1 OVERVIEW ....................................................................................2-32 2.7.2 DRIVE.............................................................................................2-33 2.7.3 DEVELOPER MIXING ....................................................................2-34 2.7.4 DEVELOPMENT BIAS ...................................................................2-35 2.7.5 TONER SUPPLY ............................................................................2-36 2.7.6 TONER DENSITY CONTROL ........................................................2-38 2.7.7 TONER SUPPLY IN ABNORMAL SENSOR CONDITIONS...........2-42 2.7.8 TONER NEAR END/END DETECTION AND RECOVERY............2-42 2.8 DRUM CLEANING AND TONER RECYCLING.......................................2-44 2.8.1 DRUM CLEANING..........................................................................2-44 2.8.2 TONER RECYCLING .....................................................................2-45 2.9 PAPER FEED..........................................................................................2-46 2.9.1 OVERVIEW ....................................................................................2-46 2.9.2 PAPER FEED DRIVE MECHANISM ..............................................2-47 2.9.3 PAPER FEED AND SEPARATION MECHANISM..........................2-48 2.9.4 PAPER LIFT MECHANISM ............................................................2-49 2.9.5 PAPER END DETECTION .............................................................2-50 2.9.6 PAPER HEIGHT DETECTION .......................................................2-51 2.9.7 FEED PRESSURE ADJUSTMENT FOR PAPER SIZE..................2-52 2.9.8 PAPER SIZE DETECTION.............................................................2-55 2.9.9 SPECIAL PAPER SETTING...........................................................2-56 2.9.10 SIDE AND END FENCES.............................................................2-57 2.9.11 PAPER REGISTRATION..............................................................2-58 2.10 IMAGE TRANSFER AND PAPER SEPARATION .................................2-59 2.10.1 OVERVIEW ..................................................................................2-59 2.10.2 IMAGE TRANSFER CURRENT TIMING......................................2-60 2.10.3 TRANSFER ROLLER CLEANING................................................2-61 2.10.4 PAPER SEPARATION MECHANISM...........................................2-61 2.11 IMAGE FUSING AND PAPER EXIT......................................................2-62 2.11.1 OVERVIEW ..................................................................................2-62 2.11.2 FUSING DRIVE AND RELEASE MECHANISM ...........................2-63 2.11.3 FUSING ENTRANCE GUIDE SHIFT MECHANISM .....................2-64 2.11.4 PRESSURE ROLLER...................................................................2-65 2.11.5 CLEANING MECHANISM ............................................................2-65 2.11.6 FUSING TEMPERATURE CONTROL..........................................2-66 2.11.7 OVERHEAT PROTECTION .........................................................2-68 2.11.8 PAPER EXIT ................................................................................2-68 2.12 ENERGY SAVER MODES ....................................................................2-69 2.12.1 OVERVIEW ..................................................................................2-69 2.12.2 ENERGY SAVER MODE..............................................................2-70 2.12.3 AUTO OFF MODE........................................................................2-71

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INSTALLATION
3. INSTALLATION PROCEDURE.................................................... 3-1
3.1 INSTALLATION REQUIREMENTS ...........................................................3-1 3.1.1 ENVIRONMENT ...............................................................................3-1 3.1.2 MACHINE LEVEL .............................................................................3-1 3.1.3 MINIMUM SPACE REQUIREMENTS...............................................3-2 3.1.4 POWER REQUIREMENTS ..............................................................3-3 3.2 COPIER INSTALLATION ..........................................................................3-4 3.2.1 POWER SOCKETS FOR PERIPHERALS .......................................3-4 3.2.2 INSTALLATION FLOW CHART .......................................................3-5 3.2.3 ACCESSORY CHECK......................................................................3-6 3.2.4 INSTALLATION PROCEDURE ........................................................3-7 3.3 PAPER TRAY UNIT INSTALLATION ......................................................3-11 3.3.1 ACCESSORY CHECK....................................................................3-11 3.3.2 INSTALLATION PROCEDURE ......................................................3-11 3.4 LCT INSTALLATION ...............................................................................3-14 3.4.1 ACCESSORY CHECK....................................................................3-14 3.4.2 INSTALLATION PROCEDURE ......................................................3-14 3.5 AUTO REVERSE DOCUMENT FEEDER INSTALLATION .....................3-17 3.5.1 ACCESSORY CHECK....................................................................3-17 3.5.2 INSTALLATION PROCEDURE ......................................................3-18 3.6 INTERCHANGE UNIT INSTALLATION...................................................3-22 3.6.1 COMPONENT CHECK...................................................................3-22 3.6.2 INSTALLATION PROCEDURE ......................................................3-23 3.7 1-BIN TRAY UNIT INSTALLATION .........................................................3-25 3.7.1 COMPONENT CHECK...................................................................3-25 3.7.2 INSTALLATION PROCEDURE ......................................................3-26 3.8 SHIFT TRAY............................................................................................3-29 3.8.1 COMPONENT CHECK...................................................................3-29 3.8.2 INSTALLATION PROCEDURE ......................................................3-30 3.9 BY-PASS FEED UNIT INSTALLATION...................................................3-32 3.9.1 COMPONENTS CHECK ................................................................3-32 3.9.2 INSTALLATION PROCEDURE ......................................................3-33 3.10 DUPLEX UNIT INSTALLATION ............................................................3-35 3.10.1 ACCESSORY CHECK..................................................................3-35 3.10.2 INSTALLATION PROCEDURE ....................................................3-36 3.11 BRIDGE UNIT INSTALLATION .............................................................3-38 3.11.1 ACCESSORY CHECK..................................................................3-38 3.11.2 INSTALLATION PROCEDURE ....................................................3-39 3.12 1000-SHEET FINISHER INSTALLATION .............................................3-41 3.12.1 ACCESSORY CHECK..................................................................3-41 3.12.2 INSTALLATION PROCEDURE ....................................................3-42 3.13 500-SHEET FINISHER INSTALLATION ...............................................3-45 3.13.1 ACCESSORY CHECK..................................................................3-45 3.13.2 INSTALLATION PROCEDURE ....................................................3-46 3.14 PLATEN COVER INSTALLATION ........................................................3-48 3.15 KEY COUNTER INSTALLATION ..........................................................3-49
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Rev. 12/2003

3.16 OPTICS ANTI-CONDENSATION HEATER...........................................3-51 3.17 TRAY HEATER .....................................................................................3-52 3.18 TRAY HEATER (OPTIONAL PAPER TRAY UNIT) ...............................3-54 3.19 TRAY HEATER (OPTIONAL LCT) ........................................................3-57 3.20 OPTIONAL BOARDS AND DIMMS.......................................................3-60 3.20.1 REMOVING THE COVERS..........................................................3-60 3.20.2 PRINTER/SCANNER MODULE (B577) .......................................3-61 Printer/Scanner Module ROM DIMM Installation ................................3-62 3.20.3 128 MB MEMORY (G331) ............................................................3-63 3.20.4 HDD (B592) ..................................................................................3-64 3.20.5 NIB (B525-17)...............................................................................3-66 3.20.6 IEEE 1394 INTERFACE KIT (G336).............................................3-67 3.20.7 IEEE 802.11B INTERFACE KIT (B515)........................................3-69 3.20.8 USB 2.0 BOARD (B525-01)..........................................................3-73 3.20.9 BLUETOOTH UNIT 2045 (G354) .................................................3-75 3.20.10 POSTSCRIPT 3 UNIT (G354-05) ...............................................3-77 3.20.11 FILE FORMAT CONVERTER (B519).........................................3-78 3.20.12 CHECK ALL CONNECTIONS ....................................................3-79 3.20.12 USER ACCOUNT ENHANCEMENT UNIT (B443) .....................3-80

SERVICE TABLES
4. SERVICE TABLES....................................................................... 4-1
4.1 GENERAL CAUTION ................................................................................4-1 4.1.1 PCU (PHOTOCONDUCTOR UNIT) .................................................4-1 4.1.2 TRANSFER ROLLER UNIT..............................................................4-1 4.1.3 SCANNER UNIT...............................................................................4-1 4.1.4 LASER UNIT ....................................................................................4-2 4.1.5 FUSING UNIT...................................................................................4-2 4.1.6 PAPER FEED ...................................................................................4-2 4.1.7 OTHERS...........................................................................................4-2 4.2 SERVICE PROGRAM MODE....................................................................4-3 4.2.1 SERVICE PROGRAM MODE OPERATION.....................................4-3 Entering and Exiting SP mode ..............................................................4-3 SP Mode Button Summary ...................................................................4-4 Switching Between SP Mode and Copy Mode for Test Printing ...........4-5 Selecting the Program Number.............................................................4-5 4.2.2 SERVICE PROGRAM MODE TABLES ............................................4-6 SP1XXX: Feed......................................................................................4-7 SP2XXX: Drum ...................................................................................4-16 SP4-XXX: Scanner .............................................................................4-27 SP5XXX: Mode ...................................................................................4-34 SP6XXX: Peripherals..........................................................................4-57 SP7XXX: Data Log ...........................................................................4-59 SP8-xxx: Data Log2 ............................................................................4-66 4.2.3 TEST PATTERN PRINTING (SP2902-3) .......................................4-99 4.2.4 INPUT CHECK .............................................................................4-100 Main Machine Input Check (SP5803) ...............................................4-100 ARDF Input Check (SP6007)............................................................4-103
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Finisher Input Check (SP6117).........................................................4-104 4.2.5 OUTPUT CHECK .........................................................................4-106 Main Machine Output Check (SP5804).............................................4-106 ARDF Output Check (SP6008) .........................................................4-108 Finisher Output Check (SP6118) ......................................................4-108 4.2.6 SMC DATA LISTS (SP5990) ........................................................4-109 4.2.7 MEMORY ALL CLEAR (SP5801) .................................................4-109 Using a Flash Memory Card .............................................................4-109 Without Using a Flash Memory Card ................................................4-111 4.2.8 UPLOADING/DOWNLOADING NVRAM DATA............................4-112 Uploading NVRAM Data (SP5824) ...................................................4-112 Downloading NVRAM Data (SP5825)...............................................4-113 4.2.9 APS OUTPUT DISPLAY (SP4301)...............................................4-114 4.2.10 DF APS SENSOR OUTPUT DISPLAY (SP6901).......................4-115 4.2.11 NIP BAND WIDTH MEASUREMENT (SP1109) .........................4-116 4.3 PROGRAM DOWNLOAD ......................................................................4-117 4.4 SOFTWARE RESET .............................................................................4-118 4.5 SYSTEM SETTINGS AND COPY SETTING RESET............................4-119 4.5.1 SYSTEM SETTING RESET .........................................................4-119 4.5.2 COPIER SETTING RESET ..........................................................4-120 4.6 USER TOOLS .......................................................................................4-121 4.6.1 HOW TO USE UP MODE.............................................................4-121 UP Mode Initial Screen: User Tools/Counter Display........................4-121 System Settings ................................................................................4-121 Copier/Document Server Features ...................................................4-121 Printer, Facsimile, Scanner Settings .................................................4-122 Inquiry ...............................................................................................4-122 Counter .............................................................................................4-123 4.7 LEDS .....................................................................................................4-124 Controller ..........................................................................................4-124 SBCU................................................................................................4-124 IPU....................................................................................................4-124 4.8 DIP SWITCHES.....................................................................................4-124 Controller: DIP SW2..........................................................................4-124 SBCU: DIP SW102 ...........................................................................4-124 4.9 SPECIAL TOOLS AND LUBRICANTS ............................................4-125 4.9.1 SPECIAL TOOLS .........................................................................4-125 4.9.2 LUBRICANTS ...............................................................................4-125 4.10 USING THE DEBUG LOG...................................................................4-126 4.10.1 SWITCHING ON AND SETTING UP SAVE DEBUG LOG .........4-126 4.10.2 RETRIEVING THE DEBUG LOG FROM THE HDD ..................4-129 4.10.3 RECORDING ERRORS MANUALLY .........................................4-130

PREVENTIVE MAINTENANCE
5. PREVENTIVE MAINTENANCE.................................................... 5-1
5.1 PM TABLE.................................................................................................5-1

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REPLACEMENT AND ADJUSTMENT
6. REPLACEMENT AND ADJUSTMENT ........................................ 6-1
6.1 SCANNER UNIT........................................................................................6-1 6.1.1 EXPOSURE GLASS.........................................................................6-1 6.1.2 SCANNER EXTERIOR/OPERATION PANEL ..................................6-2 6.1.3 LENS BLOCK ASSEMBLY...............................................................6-3 6.1.4 ORIGINAL SIZE SENSORS .............................................................6-4 6.1.5 EXPOSURE LAMP ...........................................................................6-5 6.1.6 SCANNER MOTOR/LAMP STABILIZER..........................................6-6 6.1.7 SCANNER WIRES ...........................................................................6-7 6.2 LASER UNIT ...........................................................................................6-10 6.2.1 CAUTION DECAL LOCATIONS .....................................................6-10 6.2.2 LASER UNIT ..................................................................................6-11 6.2.3 POLYGON MIRROR MOTOR ........................................................6-12 6.2.4 LD UNIT..........................................................................................6-12 6.2.5 LASER SYNCHRONIZATION DETECTOR....................................6-13 6.3 PHOTOCONDUCTOR UNIT (PCU) ........................................................6-14 6.3.1 PCU ................................................................................................6-14 6.4 TRANSFER UNIT....................................................................................6-15 6.4.1 TRANSFER ROLLER UNIT............................................................6-15 6.4.2 IMAGE DENSITY SENSOR ...........................................................6-16 6.5 FUSING/EXIT ..........................................................................................6-17 6.5.1 FUSING UNIT.................................................................................6-17 6.5.2 THERMISTORS..............................................................................6-17 6.5.3 THERMOFUSE ..............................................................................6-18 6.5.4 HOT ROLLER AND FUSING LAMP ...............................................6-20 6.5.5 PRESSURE ROLLER/CLEANING ROLLER .................................6-21 6.5.6 PAPER EXIT SENSOR/PAPER OVERFLOW SENSOR................6-22 6.6 PAPER FEED..........................................................................................6-23 6.6.1 FEED ROLLERS: TRAY 1..............................................................6-23 6.6.2 FEED ROLLER: TRAY 2 ................................................................6-24 6.6.3 PAPER END SENSOR...................................................................6-25 6.6.4 PAPER TRAY LIFT MOTORS ........................................................6-26 6.6.5 REGISTRATION CLUTCH .............................................................6-27 6.6.6 PAPER FEED CLUTCHES.............................................................6-28 6.6.7 RELAY CLUTCHES........................................................................6-29 6.6.8 PAPER SIZE DETECTOR..............................................................6-30 6.6.9 REGISTRATION SENSOR.............................................................6-31 6.6.10 RELAY SENSORS .......................................................................6-32 6.7 PCBS AND OTHER ITEMS.....................................................................6-33 6.7.1 CONTROLLER BOARD .................................................................6-33 6.7.2 SBCU BOARD ................................................................................6-34 6.7.3 POWER PACK ...............................................................................6-34 6.7.4 MAIN MOTOR ................................................................................6-35 6.7.5 PSU ................................................................................................6-36 6.8 COPY ADJUSTMENTS: PRINTING/SCANNING ....................................6-37 6.8.1 PRINTING ......................................................................................6-37
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6.8.2 SCANNING.....................................................................................6-40 6.8.3 ADF IMAGE ADJUSTMENT...........................................................6-42 6.8.4 TOUCH SCREEN CALIBRATION ..................................................6-43 6.9 IDENTIFYING SKEWED, TRAPEZOID AND PARALLELOGRAM IMAGES ................................................................. 6-44 6.9.1 SKEWED IMAGES .........................................................................6-44 6.9.2 TRAPEZOID IMAGES ....................................................................6-44 6.9.3 PARALLELOGRAM IMAGES .........................................................6-45 6.10 CHECKING THE IMAGE WITH THE TRIMMING PATTERN ................6-46 6.11 CORRECTING THE IMAGES ...............................................................6-47 6.11.1 CORRECTING SKEWED IMAGES ..............................................6-47 6.11.2 CORRECTING TRAPEZOID IMAGES .........................................6-50

TOUBLESHOOTING
7. TROUBLESHOOTING ................................................................. 7-1
7.1 SERVICE CALL CONDITIONS .................................................................7-1 7.1.1 SUMMARY .......................................................................................7-1 7.1.2 SC CODE DESCRIPTIONS .............................................................7-2 7.2 SELF-DIAGNOSTIC MODE ....................................................................7-16 7.2.1 SELF-DIAGNOSTIC MODE AT POWER ON .................................7-16 7.2.2 DETAILED SELF-DIAGNOSTIC MODE .........................................7-17 Executing Detailed Self-Diagnosis ......................................................7-17 7.3 PAPER FEED TROUBLESHOOTING.....................................................7-19 7.4 SKEWED IMAGE ....................................................................................7-20 7.5 ELECTRICAL COMPONENT DEFECTS ................................................7-21 7.5.1 SENSORS ......................................................................................7-21 7.5.2 SWITCHES.....................................................................................7-23 7.6 BLOWN FUSE CONDITIONS .................................................................7-24

PAPER TRAY UNIT (A860/B390)
1. OVERALL MACHINE INFORMATION......................................... 8-1
1.1 1.2 1.3 1.4 1.5 2.1 2.2 2.3 2.4 2.5 SPECIFICATIONS.....................................................................................8-1 MECHANICAL COMPONENT LAYOUT ...................................................8-2 ELECTRICAL COMPONENT LAYOUT.....................................................8-3 ELECTRICAL COMPONENT DESCRIPTION...........................................8-4 DRIVE LAYOUT ........................................................................................8-5 PAPER FEED AND SEPARATION MECHANISM ....................................8-6 PAPER LIFT MECHANISM .......................................................................8-7 PAPER END DETECTION ........................................................................8-9 PAPER HEIGHT DETECTION ................................................................8-10 PAPER SIZE DETECTION......................................................................8-12

2. DETAILED DESCRIPTIONS ........................................................ 8-6

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2.6 SIDE AND END FENCES .......................................................................8-13 Side Fences........................................................................................8-13 End Fence ..........................................................................................8-13

3. REPLACEMENT AND ADJUSTMENT ...................................... 8-14
3.1 FEED ROLLER REPLACEMENT............................................................8-14 3.2 TRAY MAIN BOARD REPLACEMENT ...................................................8-15 3.3 TRAY MOTOR REPLACEMENT.............................................................8-15 3.4 RELAY CLUTCH REPLACEMENT .........................................................8-16 3.5 UPPER PAPER FEED CLUTCH REPLACEMENT .................................8-17 3.6 LOWER PAPER FEED CLUTCH REPLACEMENT ................................8-18 3.7 LIFT MOTOR REPLACEMENT ...............................................................8-19 3.8 PAPER END SENSOR REPLACEMENT ................................................8-20 3.9 VERTICAL TRANSPORT SENSOR REPLACEMENT ............................8-20 3.10 PAPER SIZE SWITCH REPLACEMENT ..............................................8-21

LCT (A862/B391)
1. OVERALL MACHINE INFORMATION......................................... 9-1
1.1 1.2 1.3 1.4 2.1 2.2 2.3 2.4 2.5 2.6 2.7 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 SPECIFICATIONS.....................................................................................9-1 MECHANICAL COMPONENT LAYOUT ...................................................9-2 ELECTRICAL COMPONENT LAYOUT.....................................................9-3 ELECTRICAL COMPONENT DESCRIPTIONS ........................................9-4 PAPER FEED............................................................................................9-5 REVERSE ROLLER AND PICK-UP ROLLER RELEASE .........................9-6 TRAY LIFT.................................................................................................9-7 NEAR END/END DETECTION..................................................................9-8 RIGHT TRAY SIDE FENCE ......................................................................9-9 LEFT TRAY REAR FENCE .......................................................................9-9 RIGHT TRAY PAPER END DETECTION................................................9-10

2. DETAILED SECTION DESCRIPTIONS ....................................... 9-5

3. REPLACEMENT AND ADJUSTMENT ...................................... 9-11
DETACHING THE TRAY FROM THE MAINFRAME...............................9-11 REAR FENCE HP SENSOR ...................................................................9-11 CHANGING THE TRAY PAPER SIZE ....................................................9-12 LEFT TRAY PAPER END SENSOR .......................................................9-12 TRAY LIFT MOTOR ................................................................................9-13 TRAY MOTOR.........................................................................................9-14 PAPER FEED CLUTCH AND RELAY CLUTCH......................................9-15 PAPER FEED UNIT ................................................................................9-16 UPPER LIMIT, RIGHT TRAY PAPER END, AND RELAY SENSORS .........................................................................9-17 3.10 REAR FENCE MOTOR .........................................................................9-18 3.11 PICK-UP/PAPER FEED/REVERSE ROLLERS.....................................9-19

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AUTO REVERSE DOCUMENT FEEDER (B386)
1. OVERALL MACHINE INFORMATION....................................... 10-1
1.1 1.2 1.3 1.4 1.5 2.1 2.2 2.3 2.4 SPECIFICATIONS...................................................................................10-1 MECHANICAL COMPONENT LAYOUT .................................................10-2 ELECTRICAL COMPONENT LAYOUT...................................................10-3 ELECTRICAL COMPONENT DESCRIPTION.........................................10-4 DRIVE LAYOUT ......................................................................................10-5

2. DETAILED SECTION DESCRIPTIONS ..................................... 10-6
ORIGINAL SIZE DETECTION.................................................................10-6 MIXED ORIGINAL SIZE MODE ..............................................................10-9 PICK-UP AND SEPARATION ...............................................................10-10 ORIGINAL TRANSPORT AND EXIT.....................................................10-11 2.4.1 SINGLE-SIDED ORIGINALS........................................................10-11 2.4.2 DOUBLE-SIDED ORIGINALS ......................................................10-12 2.4.3 ORIGINAL TRAILING EDGE SENSOR........................................10-13 2.5 STAMP ..................................................................................................10-14 2.6 TIMING CHART.....................................................................................10-15 2.7 CONDITION OF JAM DETECTION.......................................................10-16 2.8 OVERALL ELECTRICAL CIRCUIT .......................................................10-17 3.1 DIP SWITCHES.....................................................................................10-18

3. SERVICE TABLES................................................................... 10-18 4. REPLACEMENT AND ADJUSTMENT .................................... 10-19
4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 DF EXIT TABLE AND COVER ..............................................................10-19 ORIGINAL FEED UNIT .........................................................................10-20 LEFT COVER ........................................................................................10-21 PICK-UP ROLLER.................................................................................10-22 FEED BELT ...........................................................................................10-23 SEPARATION ROLLER ........................................................................10-24 ORIGINAL SET/ORIGINAL REVERSE SENSOR .................................10-25 ORIGINAL SIZE SENSOR ....................................................................10-26 ORIGINAL FEED DRIVE .......................................................................10-27 DF Feed Clutch.................................................................................10-27 Pick-up Solenoid ...............................................................................10-27 Transport Motor ................................................................................10-27 DF Feed Motor..................................................................................10-27 4.10 REGISTRATION SENSOR..................................................................10-28 4.11 STAMP SOLENOID AND ORIGINAL EXIT SENSOR .........................10-29

INTERCHANGE UNIT (B300/B416)
1. OVERALL MACHINE INFORMATION....................................... 11-1
1.1 SPECIFICATIONS...................................................................................11-1 1.2 MECHANICAL COMPONENT LAYOUT .................................................11-2
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1.3 DRIVE LAYOUT ......................................................................................11-3

2. DETAILED DESCRIPTION ........................................................ 11-4
2.1 JUNCTION GATE MECHANISM.............................................................11-4 To the Exit Tray or Bridge Unit (for the Upper Tray on top of the Bridge Unit, or the Finisher) ............11-4 To the 1-bin Tray ................................................................................11-4 To the Duplex Unit ..............................................................................11-4

3 REPLACEMENT AND ADJUSTMENT ....................................... 11-5
3.1 EXIT SENSOR REPLACEMENT.............................................................11-5

1-BIN TRAY UNIT (A898/B413)
1. OVERALL INFORMATION ........................................................ 12-1
1.1 1.2 1.3 1.4 SPECIFICATIONS...................................................................................12-1 MECHANICAL COMPONENT LAYOUT .................................................12-2 ELECTRICAL COMPONENT LAYOUT...................................................12-3 ELECTRICAL COMPONENT DESCRIPTION.........................................12-3

2. DETAILED SECTION DESCRIPTIONS ..................................... 12-4
2.1 BASIC OPERATION................................................................................12-4

3. REPLACEMENT AND ADJUSTMENT ...................................... 12-5
3.1 PAPER SENSOR REMOVAL..................................................................12-5

SHIFT TRAY UNIT (B313/B459)
1. OVERALL MACHINE INFORMATION....................................... 13-1
1.1 SPECIFICATIONS...................................................................................13-1 1.2 COMPONENT LAYOUT ..........................................................................13-2

2. DETAILED SECTION DESCRIPTIONS ..................................... 13-3
2.1 BASIC OPERATION................................................................................13-3 2.2 PRIMARY MECHANISMS .......................................................................13-4 2.2.1 TRAY SHIFT...................................................................................13-4 2.2.2 HALF TURN DETECTION..............................................................13-5

3. REPLACEMENT AND ADJUSTMENT ...................................... 13-6
3.1 TRAY COVER REPLACEMENT .............................................................13-6 3.1.1 TRAY COVER REMOVAL..............................................................13-6 3.1.2 TRAY COVER ATTACHMENT .......................................................13-6 3.2 TRAY MOTOR AND HALF TURN SENSOR REPLACEMENT ...............13-7 3.2.1 REPLACING THE TRAY MOTOR ..................................................13-7 3.2.2 REPLACING THE HALF TURN SENSOR:.....................................13-7

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BY-PASS (A899/B415)
1. OVERALL MACHINE INFORMATION....................................... 14-1
1.1 1.2 1.3 1.4 SPECIFICATIONS...................................................................................14-1 MECHANICAL COMPONENT LAYOUT .................................................14-1 ELECTRICAL COMPONENT LAYOUT...................................................14-2 ELECTRICAL COMPONENT DESCRIPTION.........................................14-2

2. DETAILED DESCRIPTIONS ...................................................... 14-3
2.1 BASIC OPERATION................................................................................14-3 2.2 PAPER SIZE DETECTION......................................................................14-4

3. REPLACEMENT AND ADJUSTMENT ...................................... 14-5
3.1 PAPER FEED ROLLER/FRICTION PAD/PAPER END SENSOR...........14-5 3.2 PAPER SIZE SENSOR BOARD..............................................................14-6 3.3 PAPER FEED CLUTCH ..........................................................................14-7

DUPLEX (A896/B414)
1. OVERALL MACHINE INFORMATION....................................... 15-1
1.1 1.2 1.3 1.4 1.5 SPECIFICATIONS...................................................................................15-1 MECHANICAL COMPONENT LAYOUT .................................................15-2 ELECTRICAL COMPONENT LAYOUT...................................................15-3 ELECTRICAL COMPONENT DESCRIPTION.........................................15-4 DRIVE LAYOUT ......................................................................................15-5

2. DETAILED DESCRIPTIONS ...................................................... 15-6
2.1 BASIC OPERATION................................................................................15-6 Longer than A4 sideways/LT sideways...............................................15-6 Up to A4 sideways/LT sideways .........................................................15-7 2.2 FEED IN AND EXIT MECHANISM ..........................................................15-8 When paper is fed into duplex unit:.....................................................15-8 Inversion and Exit: ..............................................................................15-8

3. REPLACEMENT AND ADJUSTMENT ...................................... 15-9
3.1 COVER REMOVAL .................................................................................15-9 3.2 ENTRANCE SENSOR REPLACEMENT ...............................................15-10 3.3 EXIT SENSOR REPLACEMENT...........................................................15-11

BRIDGE UNIT (A897/B417)
1. OVERALL MACHINE INFORMATION....................................... 16-1
1.1 SPECIFICATIONS...................................................................................16-1 1.2 MECHANICAL COMPONENT LAYOUT .................................................16-2 1.3 ELECTRICAL COMPONENT LAYOUT...................................................16-3

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1.4 ELECTRICAL COMPONENT DESCRIPTION.........................................16-4 1.5 DRIVE LAYOUT ......................................................................................16-5

2. DETAILED DESCRIPTION ........................................................ 16-6
2.1 JUNCTION GATE MECHANISM.............................................................16-6

3. REPLACEMENT AND ADJUSTMENT ...................................... 16-7
3.1 BRIDGE UNIT DRIVE MOTOR REPLACEMENT ...................................16-7 3.2 TRAY EXIT SENSOR REPLACEMENT ..................................................16-8 3.3 RELAY SENSOR REPLACEMENT.........................................................16-8

1,000-SHEET FINISHER (B408)
1. REPLACEMENT AND ADJUSTMENT ...................................... 17-1
1.1 MAIN PCB ...............................................................................................17-1 1.2 STAPLER UNIT.......................................................................................17-2 1.3 MOTORS.................................................................................................17-3 1.3.1 SHIFT MOTOR...............................................................................17-3 1.3.2 STAPLER MOTOR .........................................................................17-3 1.3.3 UPPER TRANSPORT MOTOR AND EXIT MOTOR ......................17-3 1.3.4 LOWER TRANSPORT MOTOR .....................................................17-4 1.4 MOTORS AND SENSORS......................................................................17-5 1.4.1 PREPARATION ..............................................................................17-5 1.4.2 STACK HEIGHT SENSOR .............................................................17-6 1.4.3 STAPLER TRAY PAPER SENSOR................................................17-6 1.4.4 LOWER TRAY LIFT MOTOR .........................................................17-6 1.4.5 STACK FEED-OUT MOTOR ..........................................................17-7

2. TROUBLESHOOTING ............................................................... 17-8
2.1 JAM DETECTION....................................................................................17-8

3. SERVICE TABLES..................................................................... 17-9
3.1 DIP SWITCH SETTINGS ........................................................................17-9

4. DETAILED DESCRIPTIONS .................................................... 17-10
GENERAL LAYOUT ..............................................................................17-10 ELECTRICAL COMPONENT LAYOUT.................................................17-11 ELECTRICAL COMPONENT DESCRIPTION.......................................17-13 DRIVE LAYOUT ....................................................................................17-15 JUNCTION GATES ...............................................................................17-17 Upper tray mode ...............................................................................17-17 Sort/stack mode ................................................................................17-17 Staple mode......................................................................................17-17 4.6 UPPER TRAY........................................................................................17-18 4.7 LOWER TRAY UP/DOWN MECHANISMS ...........................................17-19 4.8 PAPER SHIFT MECHANISM ................................................................17-20 4.9 JOGGER UNIT PAPER POSITIONING MECHANISM..........................17-21 4.10 EXIT GUIDE PLATE............................................................................17-22 4.11 STAPLER MECHANISM .....................................................................17-23 4.1 4.2 4.3 4.4 4.5

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4.12 STAPLER UNIT MOVEMENT MECHANISM ......................................17-24 4.13 PAPER FEED-OUT MECHANISM ......................................................17-25

5. OVERALL MACHINE INFORMATION..................................... 17-26
5.1 SPECIFICATIONS.................................................................................17-26 Upper Tray........................................................................................17-26 Lower Tray........................................................................................17-26

500-SHEET FINISHER (G302/B442)
1. REPLACEMENT AND ADJUSTMENT ...................................... 18-1
1.1 EXTERIOR ..............................................................................................18-1 1.2 ENTRANCE UPPER GUIDE / PAPER EXIT UNIT..................................18-4 1.3 ENTRANCE LOWER GUIDE ..................................................................18-5 1.4 PAPER EXIT UNIT GEAR / PADDLE ROLLER SOLENOID ...................18-5 1.5 STAPLER UNIT.......................................................................................18-6 1.6 JOGGER TRAY UNIT .............................................................................18-6 1.7 PAPER EXIT SENSOR FEELER ............................................................18-7 1.8 MAIN MOTOR .........................................................................................18-7 1.9 JOGGER MOTOR ...................................................................................18-8 1.10 CONTROL BOARD ...............................................................................18-8 1.11 OUTPUT TRAY UNIT............................................................................18-9

2. DETAILED DESCRIPTIONS .................................................... 18-10
2.1 OVERALL MACHINE INFORMATION ..................................................18-10 2.1.1 COMPONENT LAYOUT ...............................................................18-10 Mechanical component layout ..........................................................18-10 Drive layout.......................................................................................18-11 2.1.2 ELECTRICAL COMPONENT DESCRIPTIONS ...........................18-12 2.2 DETAILED SECTION DESCRIPTIONS ................................................18-14 2.2.1 OUTPUT TRAY MECHANISM .....................................................18-14 Stack height detection.......................................................................18-14 Output tray up/down mechanism ......................................................18-15 2.2.2 PAPER FEED ...............................................................................18-16 Overview...........................................................................................18-16 Straight feed out mode......................................................................18-16 Shift sorting mode .............................................................................18-17 Stapling mode...................................................................................18-19 2.2.3 JAM CONDITIONS .......................................................................18-20 2.2.4 ERROR DETECTION ...................................................................18-20

3. OVERALL MACHINE INFORMATION..................................... 18-21
3.1 SPECIFICATIONS..................................................................................18-21

DataOverwriteSecurity Unit B692/B694
SEE SECTION B692/B694 FOR DETAILED TABLE OF CONTENTS

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FAX OPTION B576
TABLE OF CONTENTS
INSTALLATION
1. INSTALLATION............................................................................ 1-1
1.1 CAUTIONS AND WARNINGS...................................................................1-1 1.2 FAX OPTION TYPE 2027 INSTALLATION ...............................................1-2 1.3 G3 INTERFACE UNIT TYPE 2027 INSTALLATION .................................1-5

TROUBLESHOOTING
2. TROUBLESHOOTING ................................................................. 2-1
2.1 ERROR CODES........................................................................................2-1 2.2 FAX SC CODES........................................................................................2-9

SERVICE TABLES
3. SERVICE TABLES....................................................................... 3-1
3.1 SERVICE PROGRAM MODE....................................................................3-1 3.1.1 SERVICE PROGRAM MODE OPERATION.....................................3-1 Entering and Exiting SP mode ..............................................................3-1 SP2-XXX (RAM Data)...........................................................................3-3 SP3-XXX (Machine Settings)................................................................3-3 SP4-XXX (ROM Versions) ....................................................................3-5 SP5-XXX (RAM Clear)..........................................................................3-5 SP6-XXX (Reports)...............................................................................3-6 SP7-XXX (Test) ....................................................................................3-8 3.2 BIT SWITCHES .........................................................................................3-9 3.2.1 SYSTEM SWITCHES .......................................................................3-9 3.2.2 IFAX SWITCHES............................................................................3-21 3.2.3 PRINTER SWITCHES ....................................................................3-21 3.2.4 COMMUNICATION SWITCHES.....................................................3-27 3.2.5 G3-1 SWITCHES............................................................................3-35 3.2.6 G3-2 SWITCHES............................................................................3-43 3.2.7 FAX SWITCHES.............................................................................3-51 3.3 NCU PARAMETERS ...............................................................................3-55 3.4 DEDICATED TRANSMISSION PARAMETERS ......................................3-65 3.4.1 PROGRAMMING PROCEDURE ....................................................3-65 3.4.2 PARAMETERS ...............................................................................3-66 3.5 SERVICE RAM ADDRESSES.................................................................3-69

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DETAILED DESCRIPTIONS
4. DETAILED SECTION DESCRIPTIONS ....................................... 4-1
4.1 OVERVIEW ...............................................................................................4-1 4.2 BOARDS ...................................................................................................4-2 4.2.1 FCU ..................................................................................................4-2 4.2.2 MBU..................................................................................................4-3 4.2.3 NCU (US) .........................................................................................4-4 4.2.4 NCU (EUROPE/ASIA) ......................................................................4-5 4.2.5 SG3-D BOARD .................................................................................4-6 4.3 ADDRESS BOOK......................................................................................4-7 4.3.1 ADDRESS BOOK BACKUP .............................................................4-7 Overview of Data Backup .....................................................................4-7 SP Modes .............................................................................................4-9

SPECIFICATIONS
5. SPECIFICATIONS........................................................................ 5-1
1. GENERAL SPECIFICATIONS.....................................................................5-1 2. CAPABILITIES OF PROGRAMMABLE ITEMS ...........................................5-2 3. MACHINE CONFIGURATION .....................................................................5-3

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B089/B093

INTERNET FAX (IFAX)
TABLE OF CONTENTS
INSTALLATION
1. INSTALLATION............................................................................ 1-1
1.1 IFAX INSTALLATION ................................................................................1-1 1.2 INITIAL SETTINGS ...................................................................................1-1

TROUBLESHOOTING
2. TROUBLESHOOTING ................................................................. 2-1
2.1 ERROR CODES FOR LAN COMMUNICATION .......................................2-1 2.2 TROUBLESHOOTING PROCEDURES ....................................................2-6

SERVICE TABLES
3. SERVICE TABLES AND PROCEDURES.................................... 3-1
3.1 3.2 3.3 3.4 ACCESSING IFAX BIT SWITCHES ..........................................................3-1 SP1102 IFAX SWITCH..............................................................................3-2 FIRMWARE UPDATE PROCEDURE........................................................3-8 IFAX RAM ADDRESSES...........................................................................3-9

DETAILED DESCRIPTIONS
4. DETAILED SECTION DESCRIPTIONS ....................................... 4-1
4.1 INTERNET FAX.........................................................................................4-1 4.1.1 INTERNET FAX FEATURES............................................................4-1 4.1.2 DNS SERVICE .................................................................................4-2 4.2 INTERNET MAIL COMMUNICATION .......................................................4-3 4.2.1 MAIL TRANSMISSION .....................................................................4-3 Procedure .............................................................................................4-3 Data Formats ........................................................................................4-3 Errors ....................................................................................................4-3 Results..................................................................................................4-4 Selectable Options................................................................................4-4 Secure Internet Transmission ...............................................................4-5 4.2.2 MAIL RECEPTION ...........................................................................4-6 POP3/IMAP4 Mail Reception Procedure ..............................................4-6 Characteristics of POP3/IMAP4 Reception...........................................4-7 SMTP Reception...................................................................................4-7 SMTP Reception Characteristics ..........................................................4-8 Delivery: Transferring Mail Received With SMTP (Off Ramp Gateway)4-9 Overview...............................................................................................4-9 Handling Mail Reception Errors ..........................................................4-12
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Printing Received Mail ........................................................................4-13 Multi-part Messages............................................................................4-13 Manual e-mail reception......................................................................4-13 Secure Internet Reception ..................................................................4-13 4.2.3 MAIL BROADCASTING (E-MAIL AND G3 FAX ARE COMBINED)4-14 4.2.4 TRANSFER REQUEST ..................................................................4-15 Operation at the Transfer Requester ..................................................4-15 Operation at the Transfer Station........................................................4-17 4.2.5 AUTOROUTING .............................................................................4-19 4.2.6 TRANSFER BOX............................................................................4-19 4.3 E-MAIL OPTIONS (SUB TX MODE) .......................................................4-20 4.3.1 SUBJECT AND LEVEL OF IMPORTANCE....................................4-20 How the Subject Differs According to Mail Type .................................4-20 Subjects Displayed on the PC ............................................................4-20 4.3.2 E-MAIL MESSAGES.......................................................................4-21 4.3.3 MESSAGE DISPOSITION NOTIFICATION (MDN) ........................4-22 Handling Mail ......................................................................................4-23 Handling Reports ................................................................................4-24 Return Receipt Conditions ..................................................................4-25

SPECIFICATIONS
5. SPECIFICATIONS........................................................................ 5-1
1. IFAX SPECIFICATIONS.............................................................................5-1

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B089/B093

PRINTER/SCANNER B577
TABLE OF CONTENTS
INSTALLATION
1. INSTALLATION............................................................................ 1-1
1.1 INSTALLATION REQUIREMENTS ...........................................................1-1 1.2 PRINTER/SCANNER INSTALLATION ......................................................1-1

TROUBLESHOOTING
2. TROUBLESHOOTING ................................................................. 2-1
2.1 CONTROLLER ERRORS..........................................................................2-1

SERVICE TABLES
3. SERVICE TABLES....................................................................... 3-1
3.1 PRINTER SERVICE MODE ......................................................................3-1 Service Table Key.................................................................................3-1 3.1.2 PRINTER SERVICE MODE TABLES...............................................3-1 3.1.3 SP MODES RELATED TO THE PRINTER CONTROLLER .............3-2 3.2 SCANNER SERVICE MODE.....................................................................3-3 3.2.1 SCANNER PROGRAM MODE TABLE.............................................3-3

DETAILED DESCRIPTIONS
4. DETAILS....................................................................................... 4-1
4.1 ETHERNET BOARD .................................................................................4-1 4.1.1 ETHERNET BOARD LAYOUT .........................................................4-1 4.1.2 ETHERNET BOARD OPERATION...................................................4-2 4.2 IEEE1394 BOARD (FIREWIRE)................................................................4-3 4.2.1 OVERVIEW ......................................................................................4-3 4.3 USB ...........................................................................................................4-5 4.3.1 SPECIFICATIONS............................................................................4-5 4.3.2 USB 1.1/2.0 ......................................................................................4-5 4.3.3 USB CONNECTORS........................................................................4-6 4.3.4 PIN ASSIGNMENT ...........................................................................4-6 4.3.5 REMARKS ABOUT USB ..................................................................4-7 Related SP Mode..................................................................................4-7 4.4 IEEE 802.11B (WIRELESS LAN) ..............................................................4-8 4.4.1 SPECIFICATIONS............................................................................4-8 LED Indicators ......................................................................................4-8 4.4.2 TRANSMISSION MODES ................................................................4-9
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Ad Hoc Mode ........................................................................................4-9 Infrastructure Mode...............................................................................4-9 4.4.3 SECURITY FEATURES .................................................................4-10 Using the SSID in Ad hoc mode .........................................................4-10 4.4.4 WIRELESS LAN TROUBLESHOOTING NOTES ...........................4-11 Communication Status........................................................................4-11 Channel Settings ................................................................................4-11 Troubleshooting Procedure.................................................................4-12 4.5 BLUETOOTH...........................................................................................4-13 4.5.1 SPECIFICATIONS..........................................................................4-13 4.5.2 BLUETOOTH PROFILES ...............................................................4-14 4.5.3 BLUETOOTH SECURITY FEATURES...........................................4-14 4.6 FILE FORMAT CONVERTER (MLB)........................................................4-15

SPECIFICATIONS
SPECIFICATIONS............................................................................. 5-1
1. 2. 3. 4. 5. 6. 7. 8. 9. SYSTEM COMPONENTS ...........................................................................5-1 LED INDICATORS ......................................................................................5-2 PRINTER SPECIFICATIONS ......................................................................5-2 USB SPECIFICATIONS .....................