Brother MFC-L8850CDW Service Manual

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Confidential
4.10 Troubleshooting for PCB Problems
4.10.1 Main PCB failure
< User Check >
- Turn the power OFF/ON.
- Install the latest firmware.
- Check if PC-print is not prohibited.
- Check the print restricted ID.
- Replace the damaged DIMM.
- Check if print data is not damaged.
4.10.2 Full memory
< User Check >
- Print the stored data.
- Reduce the amount of data or lower the resolution.
4.10.3 Problem of print restriction/ID authentication
< User Check >
- Check if PC-print is not prohibited.
- Check the print restricted ID.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 ID is forgotten Execute Function code 01 to initialize the ID.
2 Main PCB failure Replace the main PCB ASSY.

Brother MFC-L8850CDW Specifications

General

Type	all in one
Color	white
Tray Capacity	300
Automatic Document Feeder Capacity	50 sheets
Paper Size	8.5"x14"
Paper Handling	up to 300 sheets
Color Print Speed	32 pages per minute
Mono Print Speed	32 pages per minute
Print Resolution Color	up to 2400 x 600
Maximum Number of Pages Per Month	unknown
Scanner Type	flatbed
Scan Resolution	up to 2400 x 1200
Copier Resolution Mono	up to 600 x 600
Copier Resolution Color	up to 600 x 600
Cartridges	tn331bk, tn331c, tn331m, tn331y
Number Of Cartridges	4
Internal Memory	yes
Memory Card	no
Network	wired, wireless
Connectivity	usb, google cloud print
OS Compatibility	windows, mac os, linux
Mobile Devices Connection	yes

Weight and Dimensions

Height	19.3 inches
Width	20.7 inches
Net Weight	67.4 pounds