Brother HL-1060 - Manual (Page 81)

CHAPTER IV -17
I-18 Hollow print
Possible cause Step Check Result Remedy
Print paper 1 Is thick paper of more than 42lb
being used or extremely rough
surface paper? Yes Recommend to use the
specified type of paper.
No Refer and compare with I-14.
I-19 Downward fogging of solid black
Possible cause Step Check Result Remedy
Drum unit 1 Is the problem solved after
replacing the drum unit? Yes Replace the drum unit.
SR PCB 2 Is the problem solved after
replacing the SR PCB? Yes Replace the SR PCB.