Contents
Contents
12.1 Image Adjustment Basic Procedure ............................................................................................................... 121
12.1.1 Image Adjustment Basic Procedure 1 ..................................................................................................... 121
12.1.2 Image Adjustment Basic Procedure 2 ..................................................................................................... 123
12.1.3 Image Adjustment Basic Procedure 3 ..................................................................................................... 124
12.1.4 Image Adjustment Basic Procedure 4 ..................................................................................................... 125
12.1.5 Image Adjustment Basic Procedure 5 ..................................................................................................... 126
12.1.6 Image Adjustment Basic Procedure 6 ..................................................................................................... 127
12.1.7 Potential Control Conversion Table ........................................................................................................ 128
12.2 Image Adjustments....................................................................................................................................... 1216
12.2.1 Image Position ....................................................................................................................................... 1216
12.2.2 Checking the Image Position................................................................................................................. 1216
12.2.3 Cassette.................................................................................................................................................. 1217
12.2.4 Manual Feed Tray ................................................................................................................................. 1218
12.2.5 Front Deck ............................................................................................................................................. 1218
12.3 Scanning System .......................................................................................................................................... 1220
12.3.1 After Replacing the CCD Unit .............................................................................................................. 1220
12.3.2 After Replacing the Copyboard Glass................................................................................................... 1221
12.3.3 After Replacing the Reader Controller PCB or Initializing the RAM .................................................. 1221
12.4 Laser Exposure System ................................................................................................................................ 1223
12.4.1 After Replacing the Laser Scanner........................................................................................................ 1223
12.5 Image Formation System.............................................................................................................................. 1223
12.5.1 After Replacing the Black Developing Unit ......................................................................................... 1223
12.5.2 Points to Note When Mounting the Polarity Positioning Plate ............................................................. 1223
12.5.3 Replacing the Color Developing Unit ................................................................................................... 1224
12.5.4 Replacing the Starter of the Color Developing Unit ............................................................................. 1226
12.5.5 After Replacing the Primary Charging Assembly................................................................................. 1229
12.5.6 After Replacing the Primary Charging Wire......................................................................................... 1229
12.5.7 After Replacing the PreTransfer Charging Wire ................................................................................. 1229
12.5.8 After Replacing the PreTransfer Charging Wire ................................................................................. 1229
12.5.9 After Replacing the Waste Toner Box .................................................................................................. 1229
12.5.10 After Replacing the ITB Cleaning Blade ............................................................................................ 1229
12.5.11 After Repacking the Photosensitive Drum Cleaning Blade ................................................................ 1231
12.5.12 Replacing the Photosensitive Drum .................................................................................................... 1232
12.5.13 Points to Note When Replacing the Drum Heater .............................................................................. 1233
12.5.14 Points to Note When Replacing the Drum Heater PCB ...................................................................... 1234
12.5.15 After Repacking the ITB .................................................................................................................... 1235
12.5.16 After Replacing the Primary Transfer Roller ...................................................................................... 1235
12.6 Fixing System............................................................................................................................................... 1237
12.6.1 Points to Note When Mounting the Fixing Assembly .......................................................................... 1237
12.6.2 After Replacing the Fixing Roller ......................................................................................................... 1237
12.6.3 After Replacing the Fixing Web ........................................................................................................... 1237
12.6.4 Position of the Fixing inlet Guide ......................................................................................................... 1238
12.6.5 Points to Note When Mounting the Pressure Roller ............................................................................. 1238
12.6.6 Adjusting the Nip Pressure of the Pressure Roller ............................................................................... 1238
12.6.7 Adjusting the Position of the Feeding Web Solenoid (SL2) ................................................................. 1239
12.6.8 Points to Note About the Position of the Fixing Thermal Switch......................................................... 1239
12.6.9 Points to Note When Mounting the Shift Thermal Switch ................................................................... 1239
12.6.10 Points to Note When Mounting the Outside Heating Roller Thermal Switch .................................... 1240
12.6.11 Points to Note When Mounting the Fixing Upper Thermistor............................................................ 1240
Summary of Contents for iR C6800 Series
Page 1: ...Apr 6 2004 Service Manual iR C6800 Series iR C6800C ...
Page 2: ......
Page 6: ......
Page 21: ...Chapter 1 Introduction ...
Page 22: ......
Page 24: ......
Page 55: ...Chapter 2 Installation ...
Page 56: ......
Page 115: ...Chapter 3 Basic Operation ...
Page 116: ......
Page 118: ......
Page 129: ...Chapter 4 Main Controller ...
Page 130: ......
Page 178: ...Chapter 4 4 46 ...
Page 179: ...Chapter 5 Original Exposure System ...
Page 180: ......
Page 234: ...Chapter 5 5 52 ...
Page 235: ...Chapter 6 Laser Exposure ...
Page 236: ......
Page 238: ......
Page 257: ...Chapter 7 Image Formation ...
Page 258: ......
Page 562: ...Chapter 7 7 296 ...
Page 563: ...Chapter 8 Pickup Feeding System ...
Page 564: ......
Page 614: ...Chapter 8 8 46 F 8 49 10 9 12 11 5 5 4 4 3 5 1 2 1 2 3 1 2 3 4 1 2 3 4 5 ...
Page 616: ...Chapter 8 8 48 F 8 51 2 1 3 3 3 2 1 1 2 1 2 3 5 6 7 8 ...
Page 660: ...Chapter 8 8 92 ...
Page 661: ...Chapter 9 Fixing System ...
Page 662: ......
Page 728: ...Chapter 9 9 64 ...
Page 729: ...Chapter 10 Externals and Controls ...
Page 730: ......
Page 734: ...Contents ...
Page 742: ...Chapter 10 10 8 F 10 2 FM12 FM11 FM1 FM2 FM4 FM3 FM6 FM7 FM9 FM8 FM5 FM13 FM14 FM10 ...
Page 787: ...Chapter 11 Maintenance and Inspection ...
Page 788: ......
Page 790: ......
Page 815: ...Chapter 12 Standards and Adjustments ...
Page 816: ......
Page 868: ...Chapter 12 12 50 ...
Page 869: ...Chapter 13 Correcting Faulty Images ...
Page 870: ......
Page 882: ...Chapter 13 13 10 13 3 Troubleshooting ...
Page 898: ...Chapter 13 13 26 Image Sample F 13 13 ...
Page 900: ...Chapter 13 13 28 Image Sample F 13 15 ...
Page 929: ...Chapter 13 13 57 Image Sample F 13 45 ...
Page 932: ...Chapter 13 13 60 Image Sample image of a specific color is too light F 13 47 ...
Page 933: ...Chapter 13 13 61 image of a specific color is too dark F 13 48 ...
Page 934: ...Chapter 13 13 62 image is too light overall F 13 49 ...
Page 966: ...Chapter 13 13 94 F 13 70 PS65 PS38 PS39 PS46 PS44 PS45 PS52 PS53 PS58 PS59 PS37 ...
Page 968: ...Chapter 13 13 96 F 13 71 SW14 SW15 SW12 SW11 SW1 SW13 SW2 SW3 ...
Page 980: ...Chapter 13 13 108 ...
Page 981: ...Chapter 14 Self Diagnosis ...
Page 982: ......
Page 1051: ...Chapter 15 Service Mode ...
Page 1052: ......
Page 1302: ...Chapter 15 15 238 ...
Page 1303: ...Chapter 16 Upgrading ...
Page 1304: ......
Page 1306: ......
Page 1395: ...Chapter 17 Service Tools ...
Page 1396: ......
Page 1397: ...Contents Contents 17 1 Special Tools 17 1 17 2 Solvents and Oils 17 3 ...
Page 1398: ......
Page 1402: ...Chapter 17 17 4 ...
Page 1403: ...Apr 6 2004 ...
Page 1404: ......