Ricoh G179 User manual

G179
SERVICE MANUAL
003794MIU
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA

CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA

G179
SERVICE MANUAL
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA

CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA

G179
SERVICE MANUAL
003794MIU
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA

CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA

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 Americas Corporation and its member companies.
NO PART OF THIS DOCUMENT MAY BE REPRODUCED IN ANY
FASHION AND DISTRIBUTED WITHOUT THE PRIOR
PERMISSION OF RICOH AMERICAS 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.
©2008 RICOH Americas Corporation. All rights reserved.
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The Service Manual contains information
regarding service techniques, procedures,
processes and spare parts of office equipment
distributed by Ricoh Americas 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 Americas Corporation
WARNING
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LEGEND
COMPANYPRODUCT
CODE GESTETNER LANIER RICOH SAVIN
G179 SP 8200DN LP150dn Aficio SP 8200DN MLP150DN
DOCUMENTATION HISTORY
REV. NO. DATE COMMENTS
* 05/2008 Original Printing
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SM i G179
G179
TABLE OF CONTENTS
INSTALLATION
1. INSTALLATION............................................................................ 1-1
1.1 INSTALLATION REQUIREMENTS ............................................................1-1
1.1.1 ENVIRONMENT ................................................................................1-1
1.1.2 MACHINE LEVEL..............................................................................1-2
1.1.3 MINIMUM SPACE REQUIREMENTS ...............................................1-2
1.1.4 POWER REQUIREMENTS ...............................................................1-3
1.2 MAIN MACHINE INSTALLATION...............................................................1-4
1.2.1 INSTALLATION OVERVIEW.............................................................1-4
1.2.2 POWER SOCKET FOR PERIPHERAL .............................................1-5
1.2.3 INSTALLATION FLOWCHART .........................................................1-6
1.2.4 MOVING THE MACHINE ..................................................................1-6
1.2.5 TRANSPORTING THE MACHINE ....................................................1-6
1.3 LCT 2000-SHEET (D352)...........................................................................1-7
1.3.1 ACCESSORY CHECK ......................................................................1-7
1.3.2 INSTALLATION PROCEDURE .........................................................1-7
1.4 1200-SHEET LCT (D353).........................................................................1-10
1.4.1 COMPONENT CHECK....................................................................1-10
1.4.2 INSTALLATION PROCEDURE .......................................................1-10
1.5 BRIDGE UNIT (D386)...............................................................................1-13
1.5.1 COMPONENT CHECK....................................................................1-13
1.5.2 INSTALLATION PROCEDURE .......................................................1-13
1.6 3000-SHEET FINISHER (B805) ...............................................................1-17
1.6.1 ACCESSORY CHECK ....................................................................1-17
1.6.2 INSTALLATION PROCEDURE .......................................................1-18
Support Tray Installation .....................................................................1-21
1.7 PUNCH UNIT (B702)................................................................................1-22
1.7.1 COMPONENT CHECK....................................................................1-22
1.7.2 INSTALLATION PROCEDURE .......................................................1-23
1.8 OUTPUT JOGGER UNIT (B703)..............................................................1-27
1.8.1 ACCESSORIES...............................................................................1-27
1.8.2 INSTALLATION ...............................................................................1-27
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G179 ii SM
1.9 1000-SHEET FINISHER (B408) ...............................................................1-29
1.9.1 ACCESSORY CHECK ....................................................................1-29
1.9.2 INSTALLATION PROCEDURE .......................................................1-30
1.10 TRAY HEATER...................................................................................1-32
1.10.1 INSTALLATION PROCEDURE..................................................1-32
1.11 TRAY HEATER (OPTIONAL PAPER FEED UNIT) ............................1-34
1.11.1 COMPONENT CHECK ..............................................................1-34
1.11.2 INSTALLATION PROCEDURE..................................................1-35
For installing the tray heater in the D351 (Two-tray paper feed unit) ..1-35
For installing the tray heater in the D352 (LCT) ..................................1-38
PREVENTIVE MAINTENANCE
2. PREVENTIVE MAINTENANCE.................................................... 2-1
2.1 SERVICE MAINTENANCE PARTS – MAINFRAME...................................2-1
2.1.1 PM PARTS TABLES FOR MAINFRAME ..........................................2-1
2.2 SERVICE MAINTENANCE PARTS - OPTIONS.........................................2-6
2.2.1 PM PARTS TABLES FOR OPTIONS................................................2-6
REPLACEMENT AND ADJUSTMENT
3. REPLACEMENT AND ADJUSTMENT ........................................ 3-1
3.1 GENERAL CAUTIONS ...............................................................................3-1
3.1.1 LASER UNIT .....................................................................................3-1
3.1.2 USED TONER ...................................................................................3-1
3.2 SPECIAL TOOLS AND LUBRICANTS .......................................................3-2
3.2.1 SPECIAL TOOLS ..............................................................................3-2
3.2.2 LUBRICANTS....................................................................................3-2
3.3 EXTERIOR COVERS .................................................................................3-3
3.3.1 LEFT COVER ....................................................................................3-3
3.3.2 FRONT DOOR, UPPER AND LOWER INNER COVER....................3-3
Upper Inner Cover ................................................................................3-4
Lower Inner Cover ................................................................................3-4
3.3.3 REAR COVER...................................................................................3-4
3.3.4 RIGHT REAR COVER.......................................................................3-4
3.3.5 TOP RIGHT AND TOP REAR COVER .............................................3-5
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SM iii G179
3.3.6 OPERATION PANEL.........................................................................3-5
3.3.7 PAPER EXIT COVER........................................................................3-6
3.3.8 OUTPUT TRAY .................................................................................3-6
3.4 LASER UNIT ..............................................................................................3-8
3.4.1 CAUTION DECAL LOCATIONS........................................................3-8
3.4.2 LASER UNIT .....................................................................................3-8
3.4.3 POLYGON MIRROR MOTOR ...........................................................3-9
3.4.4 LASER SYNCHRONIZATION DETECTOR.....................................3-10
3.4.5 LD UNIT ..........................................................................................3-10
Laser Beam Pitch Adjustment.............................................................3-11
3.5 PCDU .......................................................................................................3-13
3.5.1 PCDU (PHOTOCONDUCTOR AND DEVELOPMENT UNIT) .........3-13
Reinstallation ......................................................................................3-13
3.5.2 DRUM..............................................................................................3-13
Re-installation .....................................................................................3-16
3.5.3 PICK-OFF PAWLS ..........................................................................3-17
Pick-off Pawl Position Adjustment.......................................................3-17
3.5.4 CHARGE ROLLER AND CLEANING ROLLER...............................3-18
3.5.5 DRUM CLEANING BLADE 2...........................................................3-18
Re-installation .....................................................................................3-19
3.5.6 DRUM CLEANING BLADE 1...........................................................3-19
Re-installation .....................................................................................3-20
3.5.7 ID SENSOR.....................................................................................3-20
3.6 DEVELOPMENT ......................................................................................3-21
3.6.1 DEVELOPMENT FILTER ................................................................3-21
3.6.2 DEVELOPMENT ROLLER ..............................................................3-21
3.6.3 DEVELOPER...................................................................................3-22
3.6.4 TD SENSOR....................................................................................3-24
3.7 TRANSFER ..............................................................................................3-25
3.7.1 TRANSFER BELT UNIT..................................................................3-25
3.7.2 TRANSFER BELT ...........................................................................3-27
3.7.3 TONER OVERFLOW SENSOR ......................................................3-29
3.7.4 TRANSFER BELT CLEANING BLADE ...........................................3-29
3.8 PAPER FEED...........................................................................................3-30
3.8.1 PAPER FEED UNIT ........................................................................3-30
Tray 1 and Tray 2................................................................................3-30
3.8.2 PICK-UP, FEED AND SEPARATION ROLLERS ............................3-31
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G179 iv SM
Tray 1 and Tray 2................................................................................3-31
3.8.3 TRAY LIFT MOTOR ........................................................................3-31
3.8.4 RELAY, TRAY LIFT, PAPER END AND PAPER FEED SENSORS3-32
Tray 1 and Tray 2................................................................................3-32
3.8.5 REGISTRATION SENSOR..............................................................3-32
Reinstall the registration sensor..........................................................3-34
3.9 FUSING ....................................................................................................3-35
3.9.1 FUSING UNIT..................................................................................3-35
3.9.2 WEB ROLLER UNIT........................................................................3-36
3.9.3 BRAKE PAD ....................................................................................3-36
3.9.4 WEB HOLDER ROLLER AND WEB ROLLERS..............................3-37
Installing a new web holder roller........................................................3-39
Installing new web rollers....................................................................3-39
3.9.5 PRESSURE ROLLER CLEANING ROLLER...................................3-40
3.9.6 THERMOSTAT................................................................................3-41
3.9.7 THERMISTOR.................................................................................3-42
3.9.8 HOT ROLLER STRIPPERS ............................................................3-42
3.9.9 FUSING LAMPS..............................................................................3-43
3.9.10 HOT ROLLER AND PRESSURE ROLLER................................3-44
3.10 PAPER EXIT.......................................................................................3-45
3.10.1 PAPER EXIT UNIT ....................................................................3-45
3.10.2 FUSING EXIT, PAPER OVERFLOW, AND PAPER EXIT
SENSORS ................................................................................................3-45
Paper Exit Sensor ...............................................................................3-45
Paper Overflow Sensor.......................................................................3-46
Fusing Exit Sensor..............................................................................3-46
3.10.3 JUNCTION JAM SENSOR.........................................................3-46
3.10.4 PAPER EXIT MOTOR ...............................................................3-46
3.11 DUPLEX .............................................................................................3-47
3.11.1 DUPLEX UNIT ...........................................................................3-47
3.11.2 RIGHT DOOR COVER ..............................................................3-49
3.11.3 DUPLEX DOOR SENSOR.........................................................3-49
3.11.4 DUPLEX ENTRANCE SENSOR................................................3-49
3.11.5 DUPLEX EXIT SENSOR............................................................3-50
3.11.6 DUPLEX/BY-PASS MOTOR......................................................3-52
3.11.7 DUPLEX INVERTER MOTOR ...................................................3-52
3.12 BY-PASS ............................................................................................3-55
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SM v G179
3.12.1 BY-PASS PAPER SIZE SENSOR .............................................3-55
When reinstalling the by-pass paper size sensor................................3-55
3.12.2 BY-PASS PAPER END SENSOR..............................................3-56
3.12.3 BY-PASS PICK-UP, FEED AND SEPARATION ROLLER,
TORQUE LIMITER ...................................................................................3-56
3.12.4 BY-PASS FEED CLUTCH .........................................................3-57
3.13 DRIVE AREA ......................................................................................3-58
3.13.1 PAPER FEED CLUTCH.............................................................3-58
Tray 1 and Tray 2................................................................................3-58
3.13.2 DEVELOPMENT PADDLE MOTOR ..........................................3-58
3.13.3 TRANSFER/DEVELOPMENT MOTOR .....................................3-59
3.13.4 DRUM MOTOR..........................................................................3-59
3.13.5 FUSING MOTOR .......................................................................3-60
3.13.6 WEB MOTOR ............................................................................3-60
3.13.7 PAPER FEED MOTOR..............................................................3-61
3.13.8 TRANSFER BELT CONTACT MOTOR .....................................3-61
3.13.9 REGISTRATION MOTOR..........................................................3-61
3.13.10 TONER SUPPLY MOTOR .....................................................3-62
3.14 ELECTRICAL COMPONENTS ...........................................................3-63
3.14.1 CONTROLLER UNIT .................................................................3-63
3.14.2 HDD UNIT..................................................................................3-63
Replacement Procedure .....................................................................3-63
After installing the new HDD unit ........................................................3-63
3.14.3 CONTROLLER BOARD.............................................................3-64
Replacement Procedure .....................................................................3-64
When installing the new controller board ............................................3-65
After installing the controller board......................................................3-65
3.14.4 MOTHER BOARD......................................................................3-66
3.14.5 BCU ...........................................................................................3-67
3.14.6 IOB.............................................................................................3-67
When installing a new IOB..................................................................3-67
3.14.7 PSU ...........................................................................................3-68
3.14.8 HIGH VOLTAGE POWER SUPPLY BOARD.............................3-68
3.14.9 FUSING EXHAUST FAN ...........................................................3-69
When installing the fusing exhaust fan................................................3-69
3.14.10 CONTROLLER FAN...............................................................3-69
When installing the controller fan ........................................................3-70
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G179 vi SM
3.15 PRINT ADJUSTMENTS......................................................................3-71
3.15.1 OVERVIEW................................................................................3-71
3.15.2 PRINTING..................................................................................3-71
Registration - Leading Edge/Side-to-Side...........................................3-71
Blank Margin.......................................................................................3-72
Main Scan Magnification.....................................................................3-74
Parallelogram Image Adjustment ........................................................3-74
TROUBLESHOOTING
4. TROUBLESHOOTING ................................................................. 4-1
4.1 SERVICE CALL CONDITIONS ..................................................................4-1
4.1.1 SUMMARY ........................................................................................4-1
4.1.2 SC CODE DESCRIPTIONS ..............................................................4-1
4.2 SC TABLES: SC1XX ..................................................................................4-3
4.3 SC TABLES: SC2XX ..................................................................................4-4
4.4 SC TABLES: SC3XX ..................................................................................4-6
4.5 SC TABLES: SC4XX ..................................................................................4-9
4.6 SC TABLES: SC5XX -1 ............................................................................4-11
4.7 SC TABLES: SC5XX -2 ............................................................................4-16
4.8 SC TABLES: SC6XX ................................................................................4-20
4.9 SC TABLES: SC7XX ................................................................................4-23
4.10 SC TABLES: SC8XX -1 ......................................................................4-29
4.11 SC TABLES: SC8XX -2 ......................................................................4-34
4.12 SC TABLES: SC9XX ..........................................................................4-40
4.13 ELECTRICAL COMPONENT DEFECTS............................................4-42
4.13.1 SENSORS .................................................................................4-42
4.13.2 SWITCHES ................................................................................4-46
4.14 BLOWN FUSE CONDITIONS.............................................................4-47
SERVICE TABLES
5. SERVICE TABLES....................................................................... 5-1
5.1 SERVICE PROGRAM MODE OPERATION...............................................5-1
5.1.1 GENERAL NOTES ............................................................................5-1
5.1.2 ENTERING AND LEAVING THE SERVICE PROGRAM MODE .......5-1
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SM vii G179
To set the printer in the service mode:..................................................5-1
Accessing the Required Program .........................................................5-2
Inputting a Value or Setting for a Service Program ...............................5-2
Exiting Service Mode ............................................................................5-2
5.1.3 SERVICE PROGRAM MODE TABLES.............................................5-3
Service Table Key.................................................................................5-3
5.1.4 BIT SWITCH PROGRAMMING .........................................................5-4
5.2 CONTROLLER SERVICE MODE...............................................................5-5
5.2.1 CONTROLLER SERVICE MODE......................................................5-5
5.3 ENGINE SP1-XXX: FEED-1 .......................................................................5-8
5.4 SP1-XXX: FEED-2....................................................................................5-16
5.5 SP1-XXX: FEED-3....................................................................................5-21
5.6 SP2-XXX: DRUM-1...................................................................................5-24
5.7 SP2-XXX: DRUM-2...................................................................................5-32
5.8 SP2-XXX: DRUM-3...................................................................................5-36
5.9 SP3-XXX: PROCESS-1............................................................................5-38
5.10 SP4-XXX:............................................................................................5-41
5.11 SP5-XXX: MODE-1.............................................................................5-42
5.12 SP5-XXX: MODE-2.............................................................................5-54
5.13 SP5-XXX: MODE-3.............................................................................5-57
5.14 SP5-XXX: MODE-4.............................................................................5-74
5.15 SP6-XXX: PERIPHERALS-1...............................................................5-91
5.16 SP7-XXX: DATA LOG-1 .....................................................................5-97
5.17 SP7-XXX: DATA LOG-2 ...................................................................5-103
5.18 SP8-XXX: DATA LOG2-1 .................................................................5-113
5.19 SP8-XXX: DATA LOG2-2 .................................................................5-119
5.20 SP8-XXX: DATA LOG2-3 .................................................................5-124
5.21 SP8-XXX: DATA LOG2-4 .................................................................5-129
5.22 INPUT CHECK -1 .............................................................................5-133
5.22.1 MAIN MACHINE ......................................................................5-133
Table 1: Paper Height Sensor...........................................................5-135
Table 2: Paper Size Switch...............................................................5-136
Table 3: Paper Size (By-pass Table) ................................................5-137
5.23 INPUT CHECK -2 .............................................................................5-138
5.23.1 OPTIONS.................................................................................5-138
3000-Sheet Finisher (B805)..............................................................5-138
1000-Sheet Finisher (B408)..............................................................5-141
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G179 viii SM
5.24 OUTPUT CHECK -1 .........................................................................5-143
5.24.1 MAIN MACHINE ......................................................................5-143
5.25 OUTPUT CHECK -2 .........................................................................5-149
5.25.1 1000-SHEET FINISHER (B408) ..............................................5-149
5.25.2 3000-SHEET FINISHER ..........................................................5-149
5.26 USING SP MODES...........................................................................5-152
5.26.1 TEST PATTERN PRINTING ....................................................5-152
5.26.2 SMC PRINT OUT LISTS: SP5-990..........................................5-153
5.26.3 NIP BAND WIDTH CHECK: SP1-109......................................5-153
5.26.4 MEMORY CLEAR: SP5-801 ....................................................5-154
5.27 UPDATING THE FIRMWARE...........................................................5-156
5.27.1 SETTING THE MACHINE IN FIRMWARE UPDATE MODE....5-156
5.27.2 REVIEWING THE MODULE STATUSES ................................5-156
5.27.3 HOW TO UPDATE A MODULE ...............................................5-157
Firmware Update Error .....................................................................5-158
Recovery after Power Loss...............................................................5-159
5.27.4 PRINTING THE SELF-DIAGNOSIS REPORT.........................5-159
5.27.5 HANDLING FIRMWARE UPDATE ERRORS ..........................5-159
Error Message Table ........................................................................5-160
5.28 NVRAM DATA UPLOAD/DOWNLOAD.............................................5-162
5.28.1 UPLOADING NVRAM DATA (SP5-824) ..................................5-162
5.28.2 DOWNLOADING NVRAM DATA (SP5-825)............................5-162
5.29 SD CARD APPLI MOVE ...................................................................5-163
5.29.1 OVERVIEW..............................................................................5-163
Use caution when you do the SD Card Appli Move procedure: ........5-163
5.29.2 MOVE EXEC............................................................................5-163
5.29.3 UNDO EXEC............................................................................5-164
5.30 SELF-DIAGNOSTIC MODE..............................................................5-165
5.30.1 SELF-DIAGNOSTIC MODE AT POWER ON ..........................5-165
5.30.2 SELF-DIAGNOSTIC TEST FLOW ...........................................5-166
5.30.3 EXECUTING DETAILED SELF-DIAGNOSIS...........................5-167
5.31 USING DEBUG LOG ........................................................................5-168
5.31.1 OVERVIEW..............................................................................5-168
5.31.2 SETTING UP "SAVE DEBUG LOG" ........................................5-168
To Switch Debug Log On..................................................................5-168
To Select the Target for the Debug Log File .....................................5-169
To Select Events...............................................................................5-169
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