Brother DCP-2537DW, Руководство по обслуживанию

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2-91
Confidential

White horizontal stripes on image
 Faint print
<User Check>
• This problem may disappear after printing multiple sheets of paper.
• Replace the drum unit with a new one.
• Replace the toner cartridge with a new one.
Step Cause Remedy
1
Dirty charge electrodes Clean the electrodes of the drum unit and
those of the machine. (Refer to
Fig. 2-13 (P2-
56) and Fig. 2-12 (P2-56) .)
2
Dirt on the exposure drum Perform drum cleaning.
(Refer to
“2.1 Drum Cleaning” in Chapter 5 .)
3
Scratch or dirt on the fuser
unit Replace the fuser unit.
4
High-voltage power supply
PCB failure Replace the high-voltage power supply PCB
ASSY.
<User Check>
• Check that the machine is positioned on a level
surface.
• Replace the drum unit with a new one.
• Replace the toner cartridge with a new one.
Step Cause Remedy
1 Laser unit failure Replace the laser unit.
2 Fuser unit failure Replace the fuser unit.
3 Main PCB failure Replace the main PCB ASSY.