Contents
Contents
9.1 Construction ...................................................................................................................................................................9-1
9.1.1 Outline.......................................................................................................................................................................................... 9-1
9.1.2 Major Components....................................................................................................................................................................... 9-1
9.1.3 Overview of the Fixing Drive System ......................................................................................................................................... 9-2
9.1.4 Controlling the Fixing Roller Drive............................................................................................................................................. 9-3
9.1.5 Controlling the Cleaning Web Drive ........................................................................................................................................... 9-3
9.1.6 Controlling the Thermistor Reciprocating Mechanism ............................................................................................................... 9-4
9.1.7 Controlling the Upper Separation Claw Reciprocating Mechanism............................................................................................ 9-4
9.1.8 Controlling the Fixing Inlet Sensor Drive ................................................................................................................................... 9-5
9.2 Basic Sequence ..............................................................................................................................................................9-6
9.2.1 Basic Sequence of Operations ..................................................................................................................................................... 9-6
9.3 Various Control Mechanisms.........................................................................................................................................9-6
9.3.1 Controlling the Fixing Roller Temperature ................................................................................................................................. 9-6
9.3.1.1 Controlling the Down Sequence .....................................................................................................................................................................9-6
9.3.1.2 Transparency Mode.........................................................................................................................................................................................9-7
9.3.1.3 Heavy Paper Mode ..........................................................................................................................................................................................9-8
9.3.1.4 Power Save Mode ...........................................................................................................................................................................................9-8
9.4 Protective Functions.......................................................................................................................................................9-9
9.4.1 Error Detection............................................................................................................................................................................. 9-9
9.5 Parts Replacement Procedure.......................................................................................................................................9-11
9.5.1 Fixing Unit ................................................................................................................................................................................. 9-11
9.5.1.1 Removing the Fixing Assembly....................................................................................................................................................................9-11
9.5.2 Upper Fixing Roller ................................................................................................................................................................... 9-12
9.5.2.1 Removing the Fixing Upper Roller...............................................................................................................................................................9-12
9.5.2.2 Mounting the Fixing Upper Roller................................................................................................................................................................9-13
9.5.3 Lower Fixing Roller................................................................................................................................................................... 9-13
9.5.3.1 Removing the Lower Fixing Roller ..............................................................................................................................................................9-13
9.5.3.2 Adjusting the Lower Roller Pressure (nip) ...................................................................................................................................................9-13
9.5.4 External Delivery Roller ............................................................................................................................................................ 9-14
9.5.4.1 Removing the External Delivery Roller........................................................................................................................................................9-14
9.5.5 Internal Delivery Roller ............................................................................................................................................................. 9-14
9.5.5.1 Removing the Internal Delivery Roller.........................................................................................................................................................9-14
9.5.6 Main Thermistor ........................................................................................................................................................................ 9-14
9.5.6.1 Removing the Main Thermistor ....................................................................................................................................................................9-14
9.5.6.2 Mounting the Main Thermistor .....................................................................................................................................................................9-15
9.5.7 Sub Thermistor........................................................................................................................................................................... 9-15
9.5.7.1 Removing the Sub Thermistor ......................................................................................................................................................................9-15
9.5.8 Thermal Switch .......................................................................................................................................................................... 9-15
9.5.8.1 Removing the Thermal Switch Unit .............................................................................................................................................................9-15
9.5.8.2 Mounting the Thermal Switch Unit ..............................................................................................................................................................9-16
9.5.9 Fixing Heater ............................................................................................................................................................................. 9-16
9.5.9.1 Removing the Main/Sub Heater....................................................................................................................................................................9-16
9.5.9.2 Mounting the Main/Sub Heater.....................................................................................................................................................................9-16
9.5.9.3 Points to Note When Mounting the Fixing Heater........................................................................................................................................9-16
9.5.10 Fixing Cleaning Belt ................................................................................................................................................................ 9-17
9.5.10.1 Removing the Fixing Cleaning Belt............................................................................................................................................................9-17
9.5.10.2 Mounting the Fixing Cleaning Belt.............................................................................................................................................................9-17
9.5.11 Claw Jam Sensor...................................................................................................................................................................... 9-18
9.5.11.1 Removing the Claw Jam Sensor .................................................................................................................................................................9-18
9.5.12 External Delivery Sensor ......................................................................................................................................................... 9-18
9.5.12.1 Remove the External Delivery Sensor ........................................................................................................................................................9-18
9.5.13 Internal Delivery Sensor .......................................................................................................................................................... 9-18
Summary of Contents for iR7086
Page 1: ...Sep 7 2007 Service Manual iR7105 7095 7086 Series...
Page 2: ......
Page 6: ......
Page 26: ...Contents...
Page 27: ...Chapter 1 Introduction...
Page 28: ......
Page 30: ......
Page 32: ...Chapter 1 1 2 Not all products are necessarily available in all sales areas...
Page 55: ...Chapter 2 Installation...
Page 56: ......
Page 150: ......
Page 151: ...Chapter 3 Basic Operation...
Page 152: ......
Page 154: ......
Page 159: ...Chapter 4 Main Controller...
Page 160: ......
Page 162: ......
Page 183: ...Chapter 5 Original Exposure System...
Page 184: ......
Page 228: ......
Page 229: ...Chapter 6 Laser Exposure...
Page 230: ......
Page 232: ......
Page 238: ...Chapter 6 6 6 F 6 7 1 Laser light 2 Laser shutter 1 2 1 2 2 1...
Page 240: ......
Page 241: ...Chapter 7 Image Formation...
Page 242: ......
Page 246: ......
Page 294: ......
Page 295: ...Chapter 8 Pickup Feeding System...
Page 296: ......
Page 300: ......
Page 353: ...Chapter 9 Fixing System...
Page 354: ......
Page 378: ......
Page 379: ...Chapter 10 External and Controls...
Page 380: ......
Page 384: ......
Page 394: ...Chapter 10 10 10 F 10 7...
Page 417: ...Chapter 11 MEAP...
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Page 466: ......
Page 467: ...Chapter 12 RDS...
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Page 470: ......
Page 479: ...Chapter 13 Maintenance and Inspection...
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Page 497: ...Chapter 14 Standards and Adjustments...
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Page 527: ...Chapter 15 Correcting Faulty Images...
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Page 561: ...Chapter 16 Self Diagnosis...
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Page 585: ...Chapter 17 Service Mode...
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Page 588: ...Contents 17 8 1 1 COPIER Items 17 94...
Page 688: ......
Page 689: ...Chapter 18 Upgrading...
Page 690: ......
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Page 696: ...Chapter 18 18 4...
Page 713: ...Chapter 18 18 22 formatting and download the system software once again...
Page 726: ...Chapter 19 Service Tools...
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Page 734: ...Sep 7 2007...
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