Brother MFC-L6750DW Service Manual

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Confidential
 Error code 6200
Detected that the drum unit was not set by detecting the GRID terminal current.
 Electrodes location of the toner cartridge and drum unit
Fig. 2-8
 Electrodes location of the machine
Fig. 2-9
<User Check>
• Set the drum unit correctly.
Step Cause Remedy
1
Dirt on the GRID terminals of the
drum unit and those of the
machine
Clean the CHG and GRID terminals of the drum
unit and those of the machine.
(Refer to Fig. 2-8 and Fig. 2-9.)
2
Dirt on the high-voltage power
supply PCB terminal
Clean the high-voltage power supply PCB
terminal.
3
high-voltage power supply PCB
failure
Replace the high-voltage power supply PCB
ASSY.
4 Main PCB failure Replace the main PCB ASSY.
Side surface of
drum unit
Bottom surface of
drum unit

Brother MFC-L6750DW Specifications

General

Brand	Brother
Model	MFC-L6750DW
Category	All in One Printer
Language	English