Brother ADS-2600W, Service Manual

Page: 54 / 159

2-28
Confidential

Vertical streaks
 White vertical streaks
 Hue defect
<User Check>
- Clean the CIS glass.
- Clean the document pressure bar.
Step Cause Remedy
1
First side or second side CIS unit
failure Replace the first side or second side CIS
unit.
<User Check>
- Clean the CIS glass.
- Clean the document pressure bar.
Step Cause Remedy
1
First side or second side CIS unit
failure Replace the first side or second side CIS
unit.
Step Cause Remedy
1
Color parameter failure Execute the maintenance mode function
"Acquire white level data and set CIS scan
area".
2
Dirty calibration sheet Replace the calibration sheet with a new
one.
3
First side or second side CIS unit
failure Replace the first side or second side CIS
unit.
4 Main PCB failure Replace the main PCB ASSY.