Diagnostic information
2-97
5055-xxx
Uneven printing
Periodic dirt
White spots
Possible cause
Action
Photodeveloper
Check for condensation or dirt on the
photodeveloper.
LED printhead
Clean any dirt off the exposed
surface of the LED printhead. Also
check the locating pins of the
printhead.
Transfer belt unit
Be sure the transfer belt is clean and
not damaged. Replace parts as
necessary.
Top cover
Be sure the top cover is fully locked.
Possible cause
Action
Oil coating fuser roller (OCR)
Check for dirt or damage to the fuser
rolls or the oil coating roller (OCR).
Photoconductor drum
Check for scratches on the surface
and replace if necessary.
Transfer belt unit
Be sure the transfer belt is clean and
not damaged. Replace parts as
necessary.
Possible cause
Action
• LED printhead
• Photodeveloper
• Toner cartridge
Firmly install the photodeveloper and
the toner cartridge into the printer.
Belt unit
Check the transfer belt unit for
scratches or nicks. Be sure there is
no toner buildup on the belt. Replace
the belt unit if it is damaged.
Содержание C91 Series
Страница 15: ...Safety information xv 5055 xxx...
Страница 50: ...1 34 Service Manual 5055 xxx...
Страница 150: ...2 100 Service Manual 5055 xxx...
Страница 212: ...3 62 Service Manual 5055 xxx...
Страница 216: ...3 66 Service Manual 5055 xxx Path select gate...
Страница 239: ...Diagnostic aids 3 89 5055 xxx 3 Rotate the locking knobs counterclockwise until they contact the finisher base...
Страница 246: ...3 96 Service Manual 5055 xxx...
Страница 303: ...Repair information 4 57 5055 xxx 3 Loosen the thumbscrews as shown 4 Lift and remove the transfer belt cover...
Страница 304: ...4 58 Service Manual 5055 xxx 5 Loosen the thumbscrews as shown...
Страница 308: ...4 62 Service Manual 5055 xxx 9 Loosen the thumbscrews as shown...
Страница 356: ...5 2 Service Manual 5055 xxx Major parts diagram...
Страница 358: ...5 4 Service Manual 5055 xxx Sensor and switch locations...
Страница 359: ...Locations 5 5 5055 xxx...
Страница 360: ...5 6 Service Manual 5055 xxx Component locations...
Страница 368: ...5 14 Service Manual 5055 xxx Power source unit 1 board Power source unit 2 board CN106A CN01...
Страница 369: ...Locations 5 15 5055 xxx High voltage power supply board Sensor board CN102 CN101 3 1 2 4 5 5 3 1 2 4...
Страница 370: ...5 16 Service Manual 5055 xxx Expansion paper feeder controller board Duplex unit controller board Motor drive board...
Страница 371: ...Locations 5 17 5055 xxx Size sensor board...
Страница 373: ...Locations 5 19 5055 xxx Electrical parts layout...
Страница 374: ...5 20 Service Manual 5055 xxx Driving parts layout...
Страница 375: ...Locations 5 21 5055 xxx Finisher locations...
Страница 380: ...5 26 Service Manual 5055 xxx Finisher electrical parts...
Страница 382: ...5 28 Service Manual 5055 xxx...
Страница 386: ...7 2 Service Manual 5055 xxx Assembly 1 Covers 1 1 3 11 7 13 18 5 16 9 15 2 10 6 17 4 12 8 14 1...
Страница 388: ...7 4 Service Manual 5055 xxx Assembly 2 Covers 2 1...
Страница 389: ...Parts catalog 7 5 5055 xxx Assembly 2 Covers 2 Index P N Units Description 2 1 56P9557 1 Exit assembly face up...
Страница 390: ...7 6 Service Manual 5055 xxx Assembly 3 Covers 3 2 4 3 1 2 3...
Страница 392: ...7 8 Service Manual 5055 xxx Assembly 4 Covers 4 1...
Страница 393: ...Parts catalog 7 9 5055 xxx Assembly 4 Covers 4 Index P N Units Description 4 1 56P9584 1 Guide assembly turn...
Страница 394: ...7 10 Service Manual 5055 xxx Assembly 5 Covers 5 1...
Страница 395: ...Parts catalog 7 11 5055 xxx Assembly 5 Covers 5 Index P N Units Description 5 1 56P9972 1 Feeder assembly multipurpose...
Страница 396: ...7 12 Service Manual 5055 xxx Assembly 6 Upper unit...
Страница 398: ...7 14 Service Manual 5055 xxx Assembly 6 continued Upper unit...
Страница 402: ...7 18 Service Manual 5055 xxx Assembly 8 Base 2 3 7 5 2 6 4 8 1 2 2 2...
Страница 404: ...7 20 Service Manual 5055 xxx Assembly 9 Base 3 1 3 11 7 14 5 15 2 10 6 4 13 8 16 9 10 12 11...
Страница 406: ...7 22 Service Manual 5055 xxx Assembly 10 Electrical...
Страница 408: ...7 24 Service Manual 5055 xxx Assembly 10 continued Electrical...
Страница 410: ...7 26 Service Manual 5055 xxx Assembly 11 Rip board 3 7 5 2 6 4 8 1...
Страница 412: ...7 28 Service Manual 5055 xxx Assembly 12 Fuser unit 1...
Страница 414: ...7 30 Service Manual 5055 xxx Assembly 13 Cassette 1 2 3...
Страница 422: ...7 38 Service Manual 5055 xxx Assembly 16 Duplex unit 1...
Страница 426: ...7 42 Service Manual 5055 xxx Assembly 18 High capacity feeder 1 3 11 7 5 9 2 10 6 4 12 8 1...
Страница 428: ...7 44 Service Manual 5055 xxx Assembly 19 High capacity feeder 2 11 3 11 7 5 9 2 10 6 4 12 8 1...
Страница 430: ...7 46 Service Manual 5055 xxx Assembly 20 High capacity feeder 3 3 7 5 9 2 6 4 8 1 3...
Страница 434: ...7 50 Service Manual 5055 xxx Assembly 22 High capacity feeder 5 3 7 5 2 6 4 8 1 2 2 2 1 4 6...
Страница 436: ...7 52 Service Manual 5055 xxx Assembly 23 High capacity feeder 6 3 7 5 2 6 4 8 1 7 3 2...
Страница 438: ...7 54 Service Manual 5055 xxx Assembly 24 Finisher covers 3 11 7 13 5 9 15 2 10 6 4 12 8 14 1 2...
Страница 446: ...7 62 Service Manual 5055 xxx Assembly 27 Finisher feed 2 2 3 7 5 6 4 8 1 7...
Страница 450: ...7 66 Service Manual 5055 xxx Assembly 29 Finisher electronics 3 5 2 4 1 11 7 13 9 15 10 6 12 8 14 16...
Страница 452: ...7 68 Service Manual 5055 xxx Assembly 30 Finisher docking 1 3 2 4 1 1...
Страница 454: ...7 70 Service Manual 5055 xxx Assembly 31 Finisher docking 2 3 7 5 2 6 4 1 1 1 1 3 3 3 8 8...
Страница 466: ...7 82 Service Manual 5055 xxx Plain Washer Tapping Screw Screw...
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