Brother DPC-8060 Service Manual page 365

(I-19) Hollow print
(1) Check the paper used meets the recommended paper specifications.
(2) Select the 'Thick paper mode' in the printer driver, or use thinner paper
(3) Check the machine's environment, conditions such as high humidity may
Possible cause Step
Print paper 1
(I-20) Downward fogging of solid black
Possible cause Step
Toner 1
cartridge
failure
High-voltage 2
power supply
PCB failure
(I-21) Horizontal lines
Possible cause
Step
Paper tray 1
contacts
Drum unit 2
User Check
than you are currently using.
cause this situation to occur.
Check
Is thick paper of more than
43lb being used or
extremely rough surface
paper?
Check
Is the problem solved after
replacing the toner
cartridge?
Is the problem solved after
replacing the high-voltage
power supply PCB?
Check
Are the ground contacts on
the right side of the paper
tray connecting correctly?
Are the high-voltage power
supply and drum unit
contacted correctly?
Result
Yes
Recommend to use the specified
types of paper.
No
Refer and compare with
Result
Yes
Replace the toner cartridge.
Yes
Replace the high-voltage power
supply PCB.
Result
No Clean the contacts.
No Clean the contacts.
9-43
Remedy
I-15.
Remedy
Remedy
Confidential