Brother MFC-8890DW - Page 175

3-84
Confidential
■ White vertical streaks
<User Check>
- Check if the ADF glass or document glass is not stained.
Step Cause Check
Result Remedy
1
Scanner module
failure
Is the problem solved by
replacing the CCD unit
(CCD model) or
document scanner unit.
(CIS model)
Yes
Replace the CCD module.
(CCD model)
Replace the document
scanner unit. (CIS model)
2
ADF or
document glass
failure
Is the problem solved by
replacing the scanner
top cover ASSY (CCD
model) or document
scanner unit. (CIS
model)
Yes
Replace the top cover
ASSY. (CCD model)
Replace the document
scanner unit. (CIS model)