2-73
Confidential
■
White vertical streaks
■
Shades in the entire image
■
Entire image is distorted
<User Check>
- Clean the Document cover glass or ADF glass.
Step
Cause
Solution
1
CIS unit defective
Replace the CIS unit.
2
White reference film stained
Clean the white reference film of the Document
scanner unit.
3
Scratched or damaged white
reference film
Replace the Document scanner unit.
<User Check>
- Clean the Document cover glass or ADF glass.
- Clean the Document pressure bar.
Step
Cause
Solution
1
White level correction data
failure
Carry out maintenance 55.
(Refer to
2
CIS unit defective
Replace the CIS unit.
3
Main PCB defective
Replace the Main PCB ASSY.
Step
Cause
Solution
1
CIS type mismatches
Carry out maintenance 59.
(Refer to
Summary of Contents for DCP Series
Page 111: ...3 3 Confidential 2 PACKING For Ink Cartridge Model 3_002L ...
Page 112: ...3 4 Confidential For Ink Tank Model 3_002L 1 ...
Page 119: ...3 11 Confidential 2 CIS flat cable 3_006L CIS flat cable Cable guide Cable guide Flat core ...
Page 234: ...5 12 Confidential Scanning Compensation Data List ...
Page 236: ...5 14 Confidential Test Pattern ...
Page 240: ...5 18 Confidential Configuration List ...
Page 256: ...5 34 Confidential pfadj1 Pattern pfadj2 Pattern ...
Page 264: ...5 42 Confidential Margin Check Pattern ...
Page 294: ...6 3 Confidential Power supply PCB 100 V series ...
Page 295: ...6 4 Confidential Power supply PCB 200 V series ...
Page 309: ...App 3 8 Confidential When the following screen appears click Close to close the screen ...