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Canon imageRUNNER ADVANCE DX C5870i Service Manual page 10

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Cleaning the Fixing Entrance Guide....................................................................................................356
Cleaning the Fixing Separation Guide.................................................................................................357
6. Adjustment................................................................................................... 358
Pickup Feed System....................................................................................................................... 359
Image Position Adjustment.................................................................................................................359
Geometric Characteristics Adjustment................................................................................................ 363
Original Exposure System...............................................................................................................367
Reader Unit...................................................................................................................................... 367
Original Feed System......................................................................................................................368
Skew Adjustment (at Stream Scanning of Originals)............................................................................ 368
Adjusting the Height.......................................................................................................................... 373
Right Angle Adjustment (Slant Adjustment)......................................................................................... 376
Light intensity adjustment ..................................................................................................................381
Squareness adjustment amount display..............................................................................................382
White Level Adjustment .................................................................................................................... 383
Front/Back Side Difference Correction Adjustment.............................................................................. 383
Parallelogram Correction................................................................................................................... 386
Angle Correction (Front / Back).......................................................................................................... 386
Image Position Adjustment (at Stream Scanning of Originals).............................................................. 386
Other Adjustments.............................................................................................................................396
Actions at Parts Replacement......................................................................................................... 404
Main Controller PCB..........................................................................................................................404
SSD................................................................................................................................................. 405
MP Pickup Tray Unit..........................................................................................................................408
Control Panel Unit............................................................................................................................. 408
Laser Scanner Unit............................................................................................................................409
Secondary Transfer Outer Roller........................................................................................................ 409
Developing Assembly........................................................................................................................ 409
Registration Sensor Unit.................................................................................................................... 410
Scanner Unit (Paper Front)................................................................................................................ 410
Scanner Unit (Paper Back).................................................................................................................411
Copyboard Glass.............................................................................................................................. 412
7. Troubleshooting...........................................................................................413
Initial Check.....................................................................................................................................414
Test Print......................................................................................................................................... 415
Overview.......................................................................................................................................... 415
Steps to select the test print TYPE..................................................................................................... 416
How to use the test print.................................................................................................................... 416
Troubleshooting Items.....................................................................................................................422
Parts Pitch Related to Periodical Image Failure .................................................................................. 422
The output of the image is skewed or misaligned when scanned by ADF.............................................. 422
Forcible stop of paper feed.................................................................................................................424
Display of "Non-Canon Product" Message.......................................................................................... 426
toner concentration sensor............................................................................................................. 430
Controller Self Diagnosis.................................................................................................................432
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