2-127
Confidential
4.12 Scanning Image Defect Troubleshooting
4.12.1 Image defect examples
Fig. 2-16
4.12.2 Troubleshooting image defect
■
Light on the page
Light on the page
(2-126)
< User Check >
- Check whether the setting of the contrast does not become light.
- Clean the document glass or first side CIS glass.
- Clean the first side CIS glass of the ADF.
Step
Cause
Remedy
1
White level calibration data
failure
Perform the acquisition of white level data.
(
2
First side or second side CIS
unit failure
Replace the first side or second side CIS
unit.
3
Main PCB failure
Replace the main PCB ASSY.
Содержание DCP-L8400CDN
Страница 38: ...2 8 Confidential 2 2 2 Scanning part Fig 2 4 Right side Left side Face up Document scanning feed path ...
Страница 249: ...3 85 Confidential 3 Remove the ADF spring from the Upper ADF chute Fig 3 95 ADF spring Upper ADF chute ...
Страница 277: ...3 113 Confidential 9 35 LCD 1 Remove the LCD from the Control panel ASSY Fig 3 145 Control panel ASSY LCD ...
Страница 391: ...5 7 Confidential Common to first and second side Fig 5 1 ...