Brother DCP7010 Service Manual page 234

I-23
Ghost
(1) Check the paper used meets the recommended paper specifications.
(2) Check the printer's environment. High temperature and high humidity
(3) Check that the appropriate media type is selected in the printer driver.
(4) Try installing a new drum unit.
Possible cause Step
Driver setting 1
Drum unit 2
failure
High-voltage 3
power supply
PCB failure
I-24
Toner specks
(1) Check the paper used meets the recommended paper specifications. A
(2) The toner cartridge may be damaged. Install a new toner cartridge.
(3) The drum unit may be damaged, or may be nearly at the end of life.
User Check
Damp paper, thick media or rough surfaced paper can cause the problem.
conditions can cause the problem.
Check
Is thin paper such as
2
64g/m used under the
thick paper mode?
Is the problem solved after
replacing the drum unit?
Is the problem solved after
replacing the high-voltage
power supply PCB?
User Check
rough surfaced paper may cause the problem.
Install a new drum unit.
Result
Yes 1) Change the current mode to the
normal mode from the driver
setting.
2) Print 5 or 6 blank pages if this
problem occurs.
Yes
Replace the drum unit.
Yes
Replace the high-voltage power
supply PCB.
9 -4 6
Remedy
Confidential