Troubleshooting For Scanned Image Defects; Defect Examples; Troubleshooting According To Image Defect - Brother DCP-1510 Service Manual

4.11 Troubleshooting for Scanned Image Defects

4.11.1 Defect examples

Light
Vertical streaks

4.11.2 Troubleshooting according to image defect

Light
Step
White level data failure
1
2 CIS unit failure
3 Main PCB failure
Faulty registration
White vertical streaks
Fig. 1-10
<User Check>
- Check that the contrast setting is not too light.
- Clean the document glass or the ADF glass.
- Clean the document hold.
Cause
1-66
Dark
Completely blank
Partial shading
Remedy
Acquire white level data again. (Refer to
"1.3.16" in chapter 4.)
Replace the CIS unit.
Replace the main PCB ASSY.
Colored background
Confidential