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Brother MFC-L6902DW User Manual

Brother MFC-L6902DW
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2-107
Confidential
Fogging
<User Check>
Check the usage environment of the machine. Using the machine in
hot-humid or cold-dry conditions can cause this problem.
Check that the acid paper is not used.
This problem may disappear after printing multiple sheets of paper.
Replace the toner cartridge with a new one.
Replace the drum unit with a new one.
Step Cause Remedy
1
Toner amount detection sensor
PCB (light reception) failure
Replace the toner amount detection sensor
PCB ASSY (light reception).
2 Relay front PCB failure Replace the relay front PCB ASSY.
3
High-voltage power supply PCB
failure
Replace the high-voltage power supply PCB
ASSY.
4 Main PCB failure Replace the main PCB ASSY.
Note:
This problem tends to occur when the life of the drum unit or toner cartridge is expiring.

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Brother MFC-L6902DW Specifications

General IconGeneral
Print TechnologyLaser
Max Print Resolution1200 x 1200 dpi
Duplex PrintingYes
Display4.85" Color Touchscreen
Paper Input Capacity570 sheets
ADF Capacity80 sheets
FunctionsPrint, Copy, Scan, Fax
Processor800 MHz
Memory1 GB
Scan Resolution1200 x 1200 dpi
Fax Speed33.6 Kbps
ConnectivityUSB, Ethernet, Wi-Fi
Mobile PrintingAirPrint, Google Cloud Print, Mopria, Brother iPrint&Scan
Print SpeedUp to 52 ppm - B/W (letter A)

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