Konica Minolta bizhub 200 User manual

SERVICE MANUAL
2005.082005.08
Ver. 1.0Ver. 1.0
FIELD SERVICE
The is available only for Inch area.The is available only for Inch area.

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FIELD SERVICE TOTAL CONTENTS
SAFETY AND IMPORTANT WARNING ITEMS ..............................................................S-1
IMPORTANT NOTICE ................................................................................................S-1
DESCRIPTION ITEMS FOR DANGER, WARNING AND CAUTION .........................S-1
SAFETY WARNINGS .................................................................................................S-2
WARNING INDICATIONS ON THE MACHINE ........................................................S-17
MEASURES TO TAKE IN CASE OF AN ACCIDENT ....................................................S-20
Composition of the service manual ................................................................................. C-1
Notation of the service manual ....................................................................................... C-2
bizhub 200/250/350 Main Unit
General...........................................................................................................................1
Maintenance ...................................................................................................................7
Adjustment/Setting......................................................................................................111
Troubleshooting...........................................................................................................221
Appendix.....................................................................................................................273
Duplex Unit/Switchback Unit
General...........................................................................................................................1
Maintenance ...................................................................................................................3
Adjustment/Setting..........................................................................................................7
Troubleshooting.............................................................................................................11
Standard Controller
General...........................................................................................................................1
Maintenance ...................................................................................................................3
Troubleshooting...............................................................................................................5
FK-503
General...........................................................................................................................1
Maintenance ...................................................................................................................5
Adjustment/Setting........................................................................................................11
Troubleshooting...........................................................................................................161
DF-605
General...........................................................................................................................1
Maintenance ...................................................................................................................5
Adjustment/Setting........................................................................................................17
Troubleshooting.............................................................................................................27

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PC-102/PC-202
General........................................................................................................................... 1
Maintenance................................................................................................................... 3
Adjustment/Setting ....................................................................................................... 13
Troubleshooting ............................................................................................................ 21
PC-402
General........................................................................................................................... 1
Maintenance................................................................................................................... 3
Adjustment/Setting ....................................................................................................... 17
Troubleshooting ............................................................................................................ 25
JS-502
General........................................................................................................................... 1
Maintenance................................................................................................................... 3
Adjustment/Setting ......................................................................................................... 5
FS-508/PU-501/OT-601
General........................................................................................................................... 1
Maintenance................................................................................................................... 5
Adjustment/Setting ....................................................................................................... 23
Troubleshooting ............................................................................................................ 35
MT-501
General........................................................................................................................... 1
Maintenance................................................................................................................... 3
Adjustment/Setting ......................................................................................................... 7
Troubleshooting ............................................................................................................ 11
SD-502
General........................................................................................................................... 1
Maintenance................................................................................................................... 3
Adjustment/Setting ....................................................................................................... 19
Troubleshooting ............................................................................................................ 27

SERVICE MANUAL
2005.08
Ver. 1.0
FIELD SERVICE
Main Unit

bizhub 200/250/350GeneralMaintenanceAdjustment / Setting
Troubleshooting
Appendix
Field Service Ver. 1.0 Aug. 2005
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CONTENTS
bizhub 200/250/350 Main Unit
General
1. System configuration...............................................................................................1
2. Product specifications .............................................................................................3
3. Built-in Controllers...................................................................................................5
Maintenance
4. Periodical check ......................................................................................................7
4.1 Service schedule..................................................................................................7
4.1.1 bizhub 350 ....................................................................................................7
4.1.2 bizhub 250 ....................................................................................................7
4.1.3 bizhub 200 ....................................................................................................7
4.1.4 Option ...........................................................................................................8
4.2 Maintenance items................................................................................................8
4.2.1 bizhub 350 ....................................................................................................8
4.2.2 bizhub 250 ..................................................................................................10
4.2.3 bizhub 200 ..................................................................................................13
4.3 Maintenance parts..............................................................................................15
4.3.1 Replacement parts......................................................................................15
4.3.2 Cleaning parts.............................................................................................16
4.4 Concept of parts life............................................................................................17
4.5 Maintenance procedure (Periodical check parts) ...............................................18
4.5.1 Replacing the Bypass Tray Feed Roller......................................................18
4.5.2 Replacing the Bypass Tray Separation Roller Assy....................................19
4.5.3 Replacing the Tray 1 Feed Roller................................................................20
4.5.4 Replacing the Tray 1 Pick-up Roller............................................................21
4.5.5 Replacing the Tray 1 Separation Roller Assy..............................................23
4.5.6 Replacing the Tray 2 Feed Roller................................................................25
4.5.7 Replacing the Tray 2 Pick-up Roller............................................................26
4.5.8 Replacing the Tray 2 Separation Roller.......................................................28
4.5.9 Replacing of the Registration Roller Bearings and
Registration Roller Gears 1, 2.....................................................................30
4.5.10 Cleaning of the Paper Dust Remover..........................................................31
4.5.11 Replacing of the Toner Filter (Developing Unit)...........................................32
4.5.12 Replacing of the Toner Filter (Main Unit).....................................................33

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4.5.13 Replacement of the Ozone Filter................................................................ 33
4.5.14 Replacement of the Developer ................................................................... 34
4.6 Replacing the unit............................................................................................... 37
4.6.1 Replacement of the Fusing Unit ................................................................. 37
4.6.2 Replacement of the Transfer Roller Unit..................................................... 38
4.6.3 Replacement of the Photo Conductor Unit................................................. 39
4.6.4 Replacement of the Developing Unit .......................................................... 40
5. Service tool........................................................................................................... 41
5.1 CE Tool list ......................................................................................................... 41
5.2 Copy materials ................................................................................................... 41
5.2.1 Developer.................................................................................................... 41
5.2.2 Photo Conductor Unit ................................................................................. 41
5.2.3 Toner Bottle................................................................................................. 41
6. Firmware upgrade................................................................................................. 42
6.1 Preparations for Firmware rewriting ................................................................... 42
6.1.1 Service environment................................................................................... 42
6.1.2 Writing into the Compact flash.................................................................... 42
6.1.3 Checking ROM version............................................................................... 42
6.2 Firmware rewriting.............................................................................................. 42
6.2.1 MSC............................................................................................................ 42
6.2.2 Engine......................................................................................................... 44
7. Other..................................................................................................................... 46
7.1 Disassembly/Adjustment prohibited items.......................................................... 46
7.2 Disassembly/Assembly/Cleaning list (Other parts) ............................................ 47
7.2.1 Disassembly/Assembly parts list ................................................................ 47
7.2.2 Cleaning parts list....................................................................................... 48
7.3 Disassembly/Assembly procedure ..................................................................... 49
7.3.1 IR Upper Left Cover/Original Scanning Glass/Front Holding Bracket/
Original Glass............................................................................................. 49
7.3.2 Lower Rear Cover/Lower Right Rear Cover/Tray Rear Cover..................... 49
7.3.3 Upper Rear Cover....................................................................................... 50
7.3.4 Rear Right Cover/Front Right Cover........................................................... 50
7.3.5 IR Right Cover/Rear Cover......................................................................... 51
7.3.6 Front Door................................................................................................... 51
7.3.7 Paper Output Cover/Lower Front Cover...................................................... 52
7.3.8 Upper Front Cover/Front Cover................................................................... 53
7.3.9 IR Left Cover/Rear Left Cover/Left Cover................................................... 54
7.3.10 Rear Manual Bypass Cover/Front Manual Bypass Cover/
Lower Right Cover .......................................... 55

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7.3.11 Control Panel ..............................................................................................56
7.3.12 Tray 1 ..........................................................................................................56
7.3.13 Tray 2 ..........................................................................................................57
7.3.14 Mechanical Control Board Cover................................................................57
7.3.15 FD Paper Size Board 1...............................................................................58
7.3.16 FD Paper Size Board 2...............................................................................59
7.3.17 Power Supply Unit.......................................................................................60
7.3.18 High Voltage Unit ........................................................................................61
7.3.19 MFBS Board ...............................................................................................62
7.3.20 Inverter Board .............................................................................................63
7.3.21 BCRS Board ...............................................................................................64
7.3.22 CCD Unit.....................................................................................................65
7.3.23 Operation Board..........................................................................................69
7.3.24 Manual Bypass Unit....................................................................................71
7.3.25 PH Unit........................................................................................................71
7.3.26 Toner Hopper Unit.......................................................................................74
7.3.27 Toner Replenishing Drive Unit.....................................................................74
7.3.28 Duplex Unit..................................................................................................76
7.3.29 Switch Back Unit.........................................................................................76
7.3.30 Scanner Motor ............................................................................................77
7.3.31 Exposure Unit .............................................................................................78
7.3.32 Exposure Lamp...........................................................................................79
7.3.33 Scanner Drive Cables.................................................................................80
7.3.34 Main Motor..................................................................................................85
7.3.35 IU Motor ......................................................................................................85
7.3.36 Fusing Unit Cooling Fan Motor ...................................................................86
7.3.37 Toner Suction Fan Motor.............................................................................86
7.3.38 Temperature/humidity Sensor.....................................................................87
7.3.39 ATDC Sensor ..............................................................................................87
7.3.40 Thermistor...................................................................................................89
7.3.41 Paper Exit Roll 1 .........................................................................................91
7.3.42 Paper Exit Roll 2 .........................................................................................91
7.3.43 Separation Claw..........................................................................................92
7.4 Cleaning procedure ............................................................................................94
7.4.1 Manual Bypass Feed Roller........................................................................94
7.4.2 Manual Bypass Separation Roller...............................................................94
7.4.3 Tray 1 Feed Roller.......................................................................................95

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7.4.4 Tray 1 Pick-up Roller................................................................................... 96
7.4.5 Tray 1 Separation Roller ............................................................................. 97
7.4.6 Tray 2 Feed Roller....................................................................................... 98
7.4.7 Tray 2 Pick-up Roller................................................................................... 98
7.4.8 Tray 2 Separation Roller ............................................................................. 99
7.4.9 Registration Roller .................................................................................... 100
7.4.10 Paper Dust Remover ................................................................................ 100
7.4.11 Transport Roller ........................................................................................ 100
7.4.12 Scanner Rails ........................................................................................... 101
7.4.13 Bushings................................................................................................... 101
7.4.14 Mirrors....................................................................................................... 101
7.4.15 Lens.......................................................................................................... 102
7.4.16 Original Scanning Glass........................................................................... 102
7.4.17 Original Glass........................................................................................... 102
7.4.18 Charge Neutralizing Plate......................................................................... 103
7.4.19 Ds Collar................................................................................................... 103
7.5 Mount Kit MK-709............................................................................................. 105
7.6 Option counter.................................................................................................. 106
7.6.1 Installation method for the Key Counter.................................................... 106
7.7 Original Size Detecting Sensors....................................................................... 108
7.7.1 Original Size Detecting Sensor Layout..................................................... 108
7.7.2 Mounting of the Original Size Detecting Sensors (Option)....................... 109
7.8 EEPROM.......................................................................................................... 110
7.8.1 Remounting of the EEPROM.................................................................... 110
Adjustment/Setting
8. How to use the adjustment section..................................................................... 111
9. Utility/Counter Mode ........................................................................................... 112
9.1 Utility/Counter Mode function tree.................................................................... 112
9.2 Utility/Counter Mode function setting procedure .............................................. 116
9.2.1 Procedure................................................................................................. 116
9.2.2 Exiting....................................................................................................... 116
9.2.3 Changing the setting value in Utility Mode functions................................ 116
9.3 Settings in the User Setting.............................................................................. 117
9.3.1 User’s Choice 1/6...................................................................................... 117
9.3.2 User’s Choice 2/6...................................................................................... 118
9.3.3 User’s Choice 3/6...................................................................................... 119
9.3.4 User’s Choice 4/6...................................................................................... 120

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9.3.5 User’s Choice 5/6......................................................................................121
9.3.6 User’s Choice 6/6......................................................................................123
9.3.7 Store Overlay............................................................................................124
9.4 Settings in the User Management ....................................................................125
9.4.1 Confirmation Beep....................................................................................125
9.4.2 Alarm Volume............................................................................................125
9.4.3 Job Complete Beep ..................................................................................125
9.4.4 Panel Cleaning..........................................................................................125
9.4.5 Dehumidify................................................................................................125
9.4.6 Toner Supply.............................................................................................126
9.5 Settings in the Admin. Management.................................................................127
9.5.1 Initial Setting .............................................................................................127
9.5.2 Admin. Set ................................................................................................127
9.5.3 Account/User Auth....................................................................................128
9.5.4 Call Remote Center ..................................................................................130
9.5.5 Network Setting.........................................................................................130
9.5.6 LDAP Setting.............................................................................................135
9.5.7 Frame Type Set.........................................................................................137
9.5.8 Prefix/Suffix Settings.................................................................................138
9.5.9 Printer Setting ...........................................................................................139
9.5.10 Software SW.............................................................................................139
9.5.11 Ping...........................................................................................................139
9.5.12 Delete Job.................................................................................................139
9.5.13 SSL/TLS....................................................................................................139
9.6 Reports.............................................................................................................140
9.6.1 TX Report..................................................................................................140
9.6.2 RX Report.................................................................................................140
9.6.3 One-Touch List..........................................................................................140
9.6.4 Mail Program List......................................................................................140
9.7 Settings in the Printer Setting...........................................................................141
9.7.1 MFP Set....................................................................................................141
9.7.2 Default Set ................................................................................................141
9.7.3 PDL Set.....................................................................................................143
9.7.4 Test Print...................................................................................................144
9.8 Check Detail .....................................................................................................144
10. Adjustment item list.............................................................................................146
11. Tech. Rep. Mode.................................................................................................148
11.1 Tech. Rep. Mode function setting procedure ....................................................148

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11.2 Tech. Rep. Mode function tree.......................................................................... 149
11.3 Settings in the Tech. Rep. Choice .................................................................... 151
11.3.1 System Set ............................................................................................... 151
11.3.2 Printer....................................................................................................... 153
11.3.3 Sheet-through-ADF................................................................................... 155
11.3.4 The amount of Center Erase .................................................................... 156
11.3.5 Orientation Change................................................................................... 156
11.3.6 Finisher..................................................................................................... 156
11.3.7 Trail Erase (Dup)....................................................................................... 156
11.4 Table of Temperatures for Adjusting the Fusing Temperature.......................... 157
11.4.1 Standard paper......................................................................................... 157
11.4.2 Special Paper............................................................................................ 158
11.4.3 OHP.......................................................................................................... 158
11.4.4 Thin Paper ................................................................................................ 158
11.5 Settings in the System Input............................................................................. 159
11.5.1 LCT Paper Size......................................................................................... 159
11.5.2 Change Fixed Zoom................................................................................. 159
11.5.3 Machine Configuration.............................................................................. 159
11.5.4 Technical Memo........................................................................................ 159
11.5.5 Hard Disk.................................................................................................. 159
11.5.6 Original Size Detecting Option.................................................................. 160
11.6 Settings in the Administrator # Initialize............................................................ 160
11.7 Settings in the Counter..................................................................................... 160
11.7.1 Checking the counter reading................................................................... 160
11.7.2 Clearing readings of all counters at once ................................................. 160
11.7.3 Clearing the reading of a specific counter ................................................ 160
11.7.4 Paper ........................................................................................................ 160
11.7.5 Jam Counter ............................................................................................. 161
11.7.6 Special Parts Counter............................................................................... 161
11.7.7 Service Call Counter................................................................................. 161
11.7.8 Application Counter .................................................................................. 162
11.7.9 Maintenance Counter ............................................................................... 162
11.8 Settings in the Function.................................................................................... 162
11.8.1 F1.............................................................................................................. 162
11.8.2 F2.............................................................................................................. 162
11.8.3 F7-1 .......................................................................................................... 162
11.8.4 F7-2 .......................................................................................................... 163
11.8.5 F8.............................................................................................................. 163

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...............................163
11.8.7 Hard Disk Format......................................................................................163
11.8.8 FD .............................................................................................................164
11.8.9 FC .............................................................................................................164
11.8.10 Org. Width Detect Adjust ..........................................................................164
11.8.11 FW Download............................................................................................164
11.9 I/O Check..........................................................................................................165
11.9.1 Electrical Components Check Procedure Through Input Data Check......165
11.9.2 I/O Check Screens....................................................................................166
11.9.3 I/O Check List............................................................................................168
11.10 Settings in the Operation Check.......................................................................176
11.10.1 ADF...........................................................................................................176
11.10.2 Exp. Lamp Check......................................................................................176
11.10.3 Scanner.....................................................................................................176
11.11 CS Remote Care ..............................................................................................177
11.11.1 Outlines.....................................................................................................177
11.11.2 Setting Up the CS Remote Care...............................................................177
11.11.3 Software SW setting for CS Remote Care................................................180
11.11.4 Setup confirmation....................................................................................185
11.11.5 Calling the Maintenance ...........................................................................185
11.11.6 Calling the Center from the Administrator.................................................185
11.11.7 Checking the transmission log..................................................................185
11.11.8 Detail on settings ......................................................................................186
11.11.9 List of the CS Remote Care error code.....................................................191
11.11.10 Troubleshooting for CS Remote Care .......................................................195
11.12 ROM Version ....................................................................................................196
11.13 Level History.....................................................................................................196
12. Counters..............................................................................................................197
12.1 Counters Function Setting Procedure...............................................................197
12.1.1 Procedure .................................................................................................197
12.1.2 Exiting .......................................................................................................197
12.2 Counters Function Tree ....................................................................................197
12.3 Settings in the Counters ...................................................................................198
12.3.1 Total Counter.............................................................................................198
12.3.2 Large Size Counter...................................................................................198
12.3.3 Copy Kit Counter.......................................................................................198
12.3.4 Copy Kit.....................................................................................................199
12.3.5 Plug-In Counter.........................................................................................199

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12.3.6 Key Counte
12.3.7 Vendor Mode ............................................................................................ 199
13. Service Security Mode........................................................................................ 200
13.1 Service Security Mode Function Setting Procedure......................................... 200
13.1.1 Procedure................................................................................................. 200
13.1.2 Exiting....................................................................................................... 200
13.2 Service Security Mode Function Tree............................................................... 200
13.3 Settings in the Service Security Mode ............................................................. 200
13.3.1 Service Code Change .............................................................................. 200
14. Adjust Mode........................................................................................................ 201
14.1 Adjust Mode Function Setting Procedure......................................................... 201
14.1.1 Procedure................................................................................................. 201
14.1.2 Exiting....................................................................................................... 201
14.2 Adjust Mode Function Tree............................................................................... 201
14.3 Settings in the Adjust Mode.............................................................................. 202
14.3.1 Printer....................................................................................................... 202
14.3.2 Scanner .................................................................................................... 204
15. Initial Mode.......................................................................................................... 208
15.1 Initial Mode Function Setting Procedure .......................................................... 208
15.1.1 Exiting....................................................................................................... 208
15.2 Initial Mode Function Tree ................................................................................ 209
15.3 Settings in the Initial Mode ............................................................................... 209
15.3.1 Total Clear................................................................................................. 209
15.3.2 Touch Panel Adjustment........................................................................... 210
15.3.3 Marketing Area ......................................................................................... 210
15.3.4 Image Data Clear...................................................................................... 210
15.3.5 Clear FAX Setting ..................................................................................... 211
15.3.6 Date/Time Setting..................................................................................... 211
15.3.7 Trouble Reset............................................................................................ 211
16. Mechanical adjustment ....................................................................................... 212
16.1 Mechanical adjustment of the scanner section ................................................ 212
16.1.1 Scanner Position Adjustment.................................................................... 212
16.2 Mechanical adjustment of the bypass tray section........................................... 213
16.2.1 Adjustment of the Bypass Paper Size Unit............................................... 213
16.2.2 Manual Bypass Unit Installation Check..................................................... 214
16.2.3 Adjustment of the Manual Bypass Take-up Mechanical Clutch................ 215
17. Functions of switches and parts on PWBs.......................................................... 217
17.1 Test Print Switch (S1)....................................................................................... 217
17.1.1 Procedure................................................................................................. 217

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17.2 Re ......218
17.2.1 Jumper switch setting................................................................................218
17.3 Sub Power Switch (SW49)................................................................................219
17.4 Warm Restart Switch........................................................................................219
17.4.1 Procedure .................................................................................................219
Troubleshooting
18. Jam Display.........................................................................................................221
18.1 Misfeed Display.................................................................................................221
18.1.1 Misfeed Display Resetting Procedure.......................................................221
18.2 Sensor layout....................................................................................................222
18.2.1 System Mounted with PC-102/PC-202 .....................................................222
18.2.2 System Mounted with PC-402 ..................................................................223
18.3 Solution.............................................................................................................224
18.3.1 Initial Check Items.....................................................................................224
18.3.2 Misfeed at Tray 1 take-up section..............................................................225
18.3.3 Misfeed at Image Transfer section ............................................................226
18.3.4 Misfeed at Fusing/Paper Exit section........................................................227
18.3.5 Misfeed at Switch Back Unit/Duplex Unit transport section ......................228
18.3.6 Misfeed at Duplex Unit take-up section.....................................................229
18.3.7 Misfeed at Tray 2 take-up/Vertical Transport section.................................230
18.3.8 Misfeed at Manual Bypass take-up section...............................................231
18.3.9 Misfeed at Tray 3 take-up/Vertical Transport section (PC-202).................232
18.3.10 Misfeed at Tray 4 take-up/Vertical Transport section (PC-202).................233
18.3.11 Misfeed at LCT take-up/Vertical Transport section (PC-402)....................234
19. Malfunction code.................................................................................................235
19.1 Trouble code.....................................................................................................235
19.1.1 Trouble code list........................................................................................235
19.2 How to reset......................................................................................................238
19.3 Solution.............................................................................................................239
19.3.1 C0202: Tray 1 Elevator Failure..................................................................239
19.3.2 C0204: Tray 2 Elevator Failure..................................................................239
19.3.3 C0206: Tray 3 Elevator Failure..................................................................239
19.3.4 C0208: Tray 4 Elevator Failure..................................................................239
19.3.5 C0211: Bypass Lifting Motion Failure .......................................................240
19.3.6 C0701: Manual Paper Size Detection Adjustment Failure ........................240
19.3.7 C1080: Exit Option Communication Failure..............................................240
19.3.8 C2211: IU Motor Failure............................................................................241

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Appendix
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19.3.9 C2351: Toner Suction Fan Motor Failure.................................................. 241
19.3.10 C2557: ATDC Sensor Failure.................................................................... 242
19.3.11 C255C: ATDC Adjustment Failure ............................................................ 242
19.3.12 C2654: EEPROM Failure.......................................................................... 242
19.3.13 C2702: Abnormal Image Transfer Voltage................................................ 242
19.3.14 C3451: Fusing Warm-Up Failure (Main)................................................... 243
19.3.15 C3452: Fusing Warm-Up Failure (Sub) .................................................... 243
19.3.16 C3751: High Fuser Temperature Failure (Main) ....................................... 243
19.3.17 C3752: High Fuser Temperature Failure (Sub)......................................... 243
19.3.18 C3851: Low Fuser Temperature Failure (Main) ........................................ 244
19.3.19 C3852: Low Fuser Temperature Failure (Sub).......................................... 244
19.3.20 C4001: Main Unit Communication Failure................................................ 245
19.3.21 C4002: HSYNC Detection Failure............................................................. 245
19.3.22 C4101: Polygon Motor Failure .................................................................. 246
19.3.23 C4721: Main Unit G/A Communication Failure......................................... 246
19.3.24 C5102: Main Motor Failure ....................................................................... 246
19.3.25 C5351: Power Supply Cooling Fan Motor Failure..................................... 247
19.3.26 C5352: Cooling Fan Motor Failure............................................................ 247
19.3.27 C5353: IU Cooling Fan Motor Failure ....................................................... 247
19.3.28 CA052: MIO Device Failure ...................................................................... 248
19.3.29 CC153: Flash ROM Failure....................................................................... 248
20. Power supply trouble........................................................................................... 249
20.1 Machine is not Energized at All (PU1 Operation Check).................................. 249
20.2 Only the Power Supply Cooling Fan Motor turns.............................................. 249
20.3 The Start key (LED) on the control panel blinks green..................................... 250
21. Image quality problem......................................................................................... 251
21.1 How to identify problematic part....................................................................... 251
21.2 Initial Check Items............................................................................................ 251
21.2.1 Initial Check Items 1 ................................................................................. 251
21.2.2 Initial Check Items 2 ................................................................................. 252
21.3 Solution ............................................................................................................ 253
21.3.1 Scanner System: Blank copy or black copy.............................................. 253
21.3.2 Scanner System: Low image density or rough image .............................. 254
21.3.3 Scanner System: Foggy background........................................................ 255
21.3.4 Scanner System: Black streaks or bands................................................. 256
21.3.5 Scanner System: Black spots................................................................... 257
21.3.6 Scanner System: White streaks or bands................................................. 258
21.3.7 Scanner System: Uneven pitch................................................................. 259

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21.3.8 Printer System: Blank copy or black copy.................................................260
21.3.9 Printer System: Low image density or rough image .................................261
21.3.10 Printer System: Foggy background...........................................................262
21.3.11 Printer System: Black streaks or bands....................................................263
21.3.12 Printer System: Black spots......................................................................264
21.3.13 Printer System: White streaks or bands....................................................265
21.3.14 Printer System: Void areas .......................................................................266
21.3.15 Printer System: Smears on back of paper ................................................267
21.3.16 Printer System: Uneven image density.....................................................268
21.3.17 Printer System: Gradation reproduction failure.........................................269
21.3.18 Printer System: Uneven pitch....................................................................270
22. Abort codes.........................................................................................................271
22.1 List of Abort Codes...........................................................................................271
Appendix
23. Parts layout drawing............................................................................................273
23.1 Main unit...........................................................................................................273
23.2 Duplex Unit.......................................................................................................277
23.3 Switch Back Unit...............................................................................................278
23.4 DF-605..............................................................................................................279
23.5 PC-102/PC-202 (Option) ..................................................................................280
23.6 PC-402 (Option)................................................................................................281
23.7 JS-502 (Option) ................................................................................................282
23.8 FS-508 (Option)................................................................................................283
23.9 PU-501 (Option)................................................................................................284
23.10 MT-501 (Option)................................................................................................285
23.11 SD-502 (Option)................................................................................................286
24. Connector layout drawing....................................................................................287
25. Timing chart ........................................................................................................289
25.1 Main unit...........................................................................................................289
25.2 DF-605..............................................................................................................290
25.2.1 1-Sided Mode (A4 two sheets feeding).....................................................290
25.2.2 2-Sided Mode (A4 two sheets feeding).....................................................291
25.2.3 Fax Fine mode (A4 two sheets feeding)....................................................293
25.2.4 Fax real-time transmission mode (A4 two sheets feeding) .......................294

SERVICE MANUAL
2005.08
Ver. 1.0
FIELD SERV
Duplex Unit/
Switchback Unit

SERVICE MANUAL
2005 08
0
FIELD SERVICE
200 / 250 / 350
Standard Controller

SERVICE MANUAL
2005.08
Ver. 1.0
FIELD SERV
FK-503

SERVICE MANUAL
2005.08
Ver. 1.0
FIELD SERVICE
DF-605

SERVICE MANUAL
2005.08
Ver. 1.0
FIELD SERVI
PC-102/PC-20