Brother DCP-2537DW, Руководство по обслуживанию

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2-87
Confidential

Completely blank
 Image distortion
<User Check>
• Replace the drum unit with a new one.
• Replace the toner cartridge with a new one.
• Install the latest main firmware.
Step Cause Remedy
1
Connection failure of the laser
unit flat cable Reconnect the laser unit flat cable.
2 Laser unit attachment failure Reattach the laser unit.
3 Laser unit flat cable failure Replace the laser unit flat cable.
4
Dirt on the electrodes of the
high-voltage power supply
PCB and those of the
machine Clean the electrodes of the high-voltage
power supply PCB and those of the machine.
5 Laser unit failure Replace the laser unit.
6 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Laser unit attachment failure Reattach the laser unit.
2 Laser unit failure Replace the laser unit.
3 Main PCB failure Replace the main PCB ASSY.