Brother HL HL-1060 Service Manual page 75

I-8 Black vertical streaks (in the gray background)
Possible cause Step
Translucent
stain on the
scanner window
I-9 White vertical streaks
Possible cause Step
Scanner window
dirty
Transfer failure
I-10 Faulty registration
Possible cause Step
Excessive paper
load
Print paper
Ditto
Paper resist
sensor position
incorrect
Check
1 Are there any stains?
Check
1 Is the scanner window dirty?
2 Is the transfer roller scratched?
Check
1 Is the paper loaded in the paper
feeder more than 22mm deep?
2 Is the specified weight of the
recommended paper being
used?
3 Is the first printing position
within ±1mm of the tolerance
specification?
4 Is the position of the paper
resist sensor normal?
CHAPTER IV -11
Result Remedy
Yes Clean the scanner window.
If it is not effective, replace the
scanner unit.
Result Remedy
Yes Clean the scanner window with
a dry tissue.
Yes Replace the drum unit.
Result Remedy
Yes Instruct the user to keep paper
loads below 22mm in depth.
No Instruct the user to use the
recommended types of paper.
Yes Adjust the Y offset by using the
utility software supplied.
No Reposition the sensor to the
correct position.