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Brother MFC-L8850CDW Service Manual

Brother MFC-L8850CDW
515 pages
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2-93
Confidential
â–  Paper jam at the T2 paper tray unit
< User Check >
- Check if the paper is loaded into the T2 paper tray unit correctly.
- Turn back the paper loaded in the T2 paper tray unit or change the orientation of the paper by
180°.
- Adjust the paper guide corresponding to the paper size.
- Check if too much paper is loaded in the tray.
- Check if the thickness of the paper is 60 to 105 g/m
2
.
- Fan the stack of paper well and reinsert the papers into the paper tray.
- Replace the toner cartridge with a new one.
- Replace the drum unit with a new one.
Step Cause Remedy
1
Foreign object around T2 paper
tray unit
Remove the foreign object.
2 Foreign object around paper path
of paper tray 1
Remove the foreign object.
3 T1/T2 paper dust cleaning roller
installation failure
Re-assemble the T1/T2 paper dust
cleaning roller.
4 Registration front actuator
coming off
Re-assemble the registration front
actuator.
5 Connection failure of the
registration front/rear sensor
PCB harness
Reconnect the registration front/rear
sensor PCB harness.
6 Connection failure of the T2
registration sensor PCB harness
Reconnect the T2 registration sensor PCB
harness.
7 Connection failure of the T2 relay
PCB harness
Reconnect the T2 relay PCB harness.
8 T2 relay PCB failure Replace the T2 relay PCB ASSY.
9 Fuser drive gear Z25 damaged Replace the fuser drive gear Z25.
10 Main motor failure Replace the process drive unit.
11 Paper feed unit failure Replace the paper feed unit.
12 Fuser unit damaged Replace the fuser unit.
13 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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