Brother MFC-7240 - Page 117

2-80
Confidential
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<User Check>
- Check that the document is not reversed.
Step Cause Remedy
1 CIS unit failure Replace the CIS unit.
2 Main PCB failure Replace the main PCB ASSY.
<User Check>
- Check that the CIS glass is not stained.
Step Cause Remedy
1 CIS unit failure Replace the CIS unit.
<User Check>
- Check that the CIS glass is not stained.
Step Cause Remedy
1
Incorrect white level data Perform the acquisition of white level data.
(Function code 55)
2 CIS unit failure Replace the CIS unit.