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Brother MFC-L8850CDW Service Manual

Brother MFC-L8850CDW
515 pages
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2-120
Confidential
4.7.4 Drum error
< User Check >
- Clean the corona wire.
- Replace the drum unit with a new one.
4.7.5 Drum replacement message displayed on LCD is not cleared
< User Check >
- Refer to “2.3 Counter Reset of Consumable Parts (Drum unit/Belt unit)” in Chapter 5, and
reset the drum counter.
Step Cause Remedy
1 Dirt on the GRID terminals or
CHG terminals of the main
body and the drum unit
Clean the GRID terminals and CHG
terminals of the main body and the drum unit.
2 Dirt on the terminal of the
high-voltage power supply
PCB
Clean the terminal of the high-voltage power
supply PCB.
3 High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
4 Toner sensor failure Replace the toner/new sensor PCB ASSY.
5 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.

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Brother MFC-L8850CDW Specifications

General IconGeneral
Typeall in one
Colorwhite
Tray Capacity300
Automatic Document Feeder Capacity50 sheets
Paper Size8.5"x14"
Paper Handlingup to 300 sheets
Color Print Speed32 pages per minute
Mono Print Speed32 pages per minute
Print Resolution Colorup to 2400 x 600
Maximum Number of Pages Per Monthunknown
Scanner Typeflatbed
Scan Resolutionup to 2400 x 1200
Copier Resolution Monoup to 600 x 600
Copier Resolution Colorup to 600 x 600
Cartridgestn331bk, tn331c, tn331m, tn331y
Number Of Cartridges4
Internal Memoryyes
Memory Cardno
Networkwired, wireless
Connectivityusb, google cloud print
OS Compatibilitywindows, mac os, linux
Mobile Devices Connectionyes
Weight and Dimensions IconWeight and Dimensions
Height19.3 inches
Width20.7 inches
Net Weight67.4 pounds

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