
Contents
9.4.2
Detecting the Presence/Absence of Paper ............................................................................................................9- 21
9.4.3
Detecting the Level of Paper..................................................................................................................................9- 22
9.4.4
Cassette 3/4...........................................................................................................................................................9- 23
9.4.5
Markings on the Width Guide Rail .........................................................................................................................9- 24
9.4.6
Paper Size .............................................................................................................................................................9- 24
9.5
Manual Feed Pickup Unit ......................................................................................................................... 9- 27
9.5.1
Pickup Operation ...................................................................................................................................................9- 27
9.5.2
Detecting the Paper Size .......................................................................................................................................9- 27
9.6
Deck ......................................................................................................................................................... 9- 29
9.6.1
Outline....................................................................................................................................................................9- 29
9.6.2
Lifter Limiter (deck right/left) ..................................................................................................................................9- 30
9.6.3
Detecting the Presence/Absence of Paper ............................................................................................................9- 31
9.6.4
Detecting the Level of Paper..................................................................................................................................9- 32
9.6.5
Cassette Deck Right/Left .......................................................................................................................................9- 34
9.7
Registration Unit....................................................................................................................................... 9- 35
9.7.1
Outline....................................................................................................................................................................9- 35
9.7.2
Control System ......................................................................................................................................................9- 35
9.7.3
Sequence of Operations (registration brake) .........................................................................................................9- 35
9.8
Duplex Feeding Unit ................................................................................................................................. 9- 37
9.8.1
Copying on the First Side.......................................................................................................................................9- 37
9.8.2
Printing on the First Side........................................................................................................................................9- 37
9.8.3
Copying on the Second Side .................................................................................................................................9- 38
9.8.4
Printing on the Second Side ..................................................................................................................................9- 39
9.8.5
Sequence of Operations ........................................................................................................................................9- 40
9.8.6
Sequence of Operations ........................................................................................................................................9- 40
9.8.7
Controlling the reversal motor (M11) .....................................................................................................................9- 40
9.8.8
Controlling the duplexing feeder motor (M12)........................................................................................................9- 41
9.8.9
No-Stacking Operation...........................................................................................................................................9- 42
9.8.10
No-Stacking Operation.........................................................................................................................................9- 47
9.8.11
Detecting the Horizontal Registration Position.....................................................................................................9- 52
9.8.12
Controlling the Horizontal Registration Motor (M15) ............................................................................................9- 53
9.9
Delivery .................................................................................................................................................... 9- 55
9.9.1
Reversal Delivery...................................................................................................................................................9- 55
9.9.2
Reversal Delivery...................................................................................................................................................9- 55
9.10
Parts Replacement Procedure ............................................................................................................... 9- 57
9.10.1
Cassette Pickup Assembly...................................................................................................................................9- 57
9.10.1.1
Removing the Cassette 3 Pickup Assembly ........................................................................................................................ 9- 57
9.10.1.2
Removing the Cassette 4 Pickup Assembly ........................................................................................................................ 9- 57
9.10.1.3
Removing the Vertical Path 3/4 Sensor and the Cassette 3/4 Pickup Sensor..................................................................... 9- 57
9.10.2
Cassette Lifter Motor............................................................................................................................................9- 57
9.10.2.1
Removing the Lifter Motor (M16/M17) of the Cassette (3/4)................................................................................................ 9- 57
9.10.3
Front Deck Pickup Assembly ...............................................................................................................................9- 58
9.10.3.1
Removing the Front Deck (right) .......................................................................................................................................... 9- 58
9.10.3.2
Removing the Pickup Assembly of the Front Deck (left)...................................................................................................... 9- 58
9.10.4
Left Deck Pickup Sensor......................................................................................................................................9- 59
9.10.4.1
Removing the Left Deck Pickup Sensor............................................................................................................................... 9- 59
9.10.5
Right Deck Pickup Sensor ...................................................................................................................................9- 59
9.10.5.1
Removing the Right Deck Feed Sensor/Right Deck Pickup Sensor .................................................................................... 9- 59
9.10.6
Manual Tray Assembly.........................................................................................................................................9- 59
9.10.6.1
Removing the Manual Feed Tray Unit ................................................................................................................................. 9- 59
9.10.6.2
Removing the Manual Feed Tray Unit ................................................................................................................................. 9- 60
9.10.6.3
Fitting the Side Guide Timing Belt for the Manual Feed Tray Assembly(iR105).................................................................. 9- 60
9.10.6.4
Fitting the Side Guide Timing Belt for the Manual Feed Tray Assembly.............................................................................. 9- 60
9.10.7
Manual Pickup Roller ...........................................................................................................................................9- 60
9.10.7.1
Removing the Pickup Roller................................................................................................................................................. 9- 60
9.10.7.2
Mounting the Pickup Roller .................................................................................................................................................. 9- 60
9.10.8
Manual Feed Roller..............................................................................................................................................9- 61
Summary of Contents for ImageRunner iR8500 Series
Page 1: ...Apr 5 2005 Service Manual iR8500 Series ...
Page 2: ......
Page 6: ......
Page 32: ...Contents ...
Page 33: ...Chapter 1 Introduction ...
Page 34: ......
Page 98: ......
Page 99: ...Chapter 2 Installation ...
Page 100: ......
Page 180: ...Chapter 2 2 78 F 2 272 2 1 1 3 ...
Page 181: ...Chapter 3 Basic Operation ...
Page 182: ......
Page 184: ......
Page 207: ...Chapter 4 Main Controller ...
Page 208: ......
Page 245: ...Chapter 4 4 35 F 4 72 1 2 ...
Page 246: ......
Page 247: ...Chapter 5 Original Exposure System ...
Page 248: ......
Page 252: ......
Page 306: ......
Page 307: ...Chapter 6 Image Processing System ...
Page 308: ......
Page 310: ......
Page 319: ...Chapter 7 Laser Exposure ...
Page 320: ......
Page 322: ......
Page 335: ...Chapter 8 Image Formation ...
Page 336: ......
Page 340: ......
Page 399: ...Chapter 9 Pickup Feeding System ...
Page 400: ......
Page 404: ......
Page 482: ......
Page 483: ...Chapter 10 Fixing System ...
Page 484: ......
Page 524: ......
Page 525: ...Chapter 11 External and Controls ...
Page 526: ......
Page 530: ......
Page 583: ...Chapter 12 MEAP ...
Page 584: ......
Page 586: ......
Page 589: ...Chapter 13 Maintenance and Inspection ...
Page 590: ......
Page 592: ......
Page 610: ...Chapter 13 13 18 F 13 17 1 2 3 ...
Page 648: ......
Page 649: ...Chapter 14 Standards and Adjustments ...
Page 650: ......
Page 654: ......
Page 723: ...Chapter 15 Correcting Faulty Images ...
Page 724: ......
Page 728: ......
Page 792: ......
Page 793: ...Chapter 16 Self Diagnosis ...
Page 794: ......
Page 796: ......
Page 841: ...Chapter 17 Service Mode ...
Page 842: ......
Page 1076: ......
Page 1077: ...Chapter 18 Upgrading ...
Page 1078: ......
Page 1080: ......
Page 1108: ...Chapter 18 18 28 F 18 45 3 Click Start F 18 46 4 Click Save F 18 47 5 Click OK ...
Page 1111: ...Chapter 19 Service Tools ...
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Page 1121: ...Apr 5 2005 ...
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