Brother MFC-L8850CDW Service Manual

2-60
Confidential
■ Error code 7100
After the registration rear sensor detects the end of paper pass and the specified period of
time has passed, the eject sensor continues to detect paper pass.
< User Check >
- Remove the jammed paper.
- Check if the back cover is not open during 2-sided printing.
Jam Rear
Open the Back Cover and remove the jammed paper, then press [Start].
Step Cause Remedy
1 Foreign object at the back of the
machine
Remove the foreign object.
2 Eject actuator caught on some
position
Re-assemble the eject actuator.
3 Fuser cover installation failure Re-assemble the fuser cover.
4 Back cover installation failure Re-assemble the back cover.
5 Eject sensor failure Replace the eject sensor PCB ASSY.
6 Back cover failure Replace the back cover.
7 Fuser drive gear Z25 damaged Replace the fuser drive gear Z25.
8 Paper eject ASSY failure Replace the paper eject ASSY.
9 Paper feed related gear
damaged
Replace the main drive unit.
10 Fuser unit failure Replace the fuser unit.
11 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