Brother MFC-9560CDW - Page 172

2-133
Confidential
■ Completely blank
■ Vertical streaks
■ White vertical streaks
<User Check>
- Check if the first side and second side of the document are reversed.
Step Cause Remedy
1 CIS unit failure Replace the document scanner unit.
2 Second side scanning CIS
failure
Replace the second side scanning CIS.
3 Main PCB failure Replace the main PCB ASSY.
<User Check>
- Check if the ADF glass or document glass is not
stained.
- Clean the CIS glass of the ADF.
Step Cause Remedy
1 CIS unit failure Replace the document scanner unit.
2 Second side scanning CIS
failure
Replace the second side scanning CIS.
<User Check>
- Check if the ADF glass or document glass is not stained.
- Clean the CIS glass of the ADF.
- Check whether the document hold of the ADF is not dirty. If it is dirty
clean it.
Step Cause Remedy
1 White level data failure Perform the acquisition of white level data.
(Function code 55)
2 CIS unit failure Replace the document scanner unit.
3 Second side scanning CIS
failure
Replace the second side scanning CIS.