Brother HL-1060 - Manual (Page 80)

CHAPTER IV -16
I-16 Black bank
Possible cause Step Check Result Remedy
Drum unit 1 Is the wire cleaner positioned at
its home position? No Return the wire cleaner to its
home position.
Yes Replace the drum unit.
I-17 Gray background
Possible cause Step Check Result Remedy
Density dial 1 Is the problem corrected by
adjusting the density dial? Yes Adjust the dial to the most
suitable position.
Print paper 2 Does the paper being used
meet the paper specification
(weight, etc.). No Recommend to change the
paper to a specified type of the
paper.
Yes Recommend to change the
paper to a fresh pack paper.
Drum unit 3 Is the problem solved after
replacing the drum unit? Yes Replace the H.V. power supply.
Replace the drum unit.
Note: The following cases raise the possibility of this problem.
1. The drum unit is at the end of its life.
2. There is dust or paper powder.
3. A large number of paper whose width is narrower than A4 is printed.