Table of Contents
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Overview....................................................................................................................................................560
Procedure...................................................................................................................................................560
SC Tables.......................................................................................................................................................565
Service Call Conditions.............................................................................................................................565
SC1xx: Scanning.......................................................................................................................................568
SC 2xx: Exposure......................................................................................................................................572
SC3xx: Image Processing - 1..................................................................................................................577
SC4xx: Image Processing - 2...................................................................................................................582
SC5xx: Paper Feed and Fusing................................................................................................................586
SC6xx: Device Communication...............................................................................................................599
SC7xx: Peripherals....................................................................................................................................608
SC8xx: Overall System.............................................................................................................................614
SC9xx: Miscellaneous..............................................................................................................................632
Process Control Error Conditions..................................................................................................................637
Developer Initialization Result..................................................................................................................637
Process Control Self-Check Result............................................................................................................638
Line Position Adjustment Result.................................................................................................................640
Troubleshooting Guide..................................................................................................................................642
Image Quality............................................................................................................................................642
Line Position Adjustment............................................................................................................................644
Image Problems at Regular Intervals.......................................................................................................650
Sub-scan Magnification Error..................................................................................................................651
Trapezoid Image Adjustment...................................................................................................................654
Loud Squeaking Noise from PCDU.........................................................................................................657
Loud Noise from the Paper Tray..............................................................................................................660
Grainy Image............................................................................................................................................660
Toner Supply Error....................................................................................................................................668
Paper Jam Troubleshooting......................................................................................................................669
No Feed Paper Jam from PFU..................................................................................................................682
Setting for Special Paper 4, 5 and 6 Mode...........................................................................................683
Jam Detection.................................................................................................................................................693
Paper Jam Display.....................................................................................................................................693
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Troubleshooting
