Brother MFC-L8850CDW Service Manual

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Confidential
■ Paper jam in the ADF
< User Check >
- Check whether the document is thinner or thicker than the specifications.
- Check whether the document is smaller or larger than the specifications.
- Check whether the document is wet or wrinkled.
Step Cause Remedy
1 Foreign object inside ADF Remove the foreign object.
2 Coming off of First side
document scanning position
actuator
Re-assemble the first side document
scanning position actuator.
3 Connection failure of the first
side document scanning
position sensor PCB harness
Reconnect the first side document scanning
position sensor PCB harness.
4 Coming off of document pinch
roller
Re-assemble the document pinch roller.
5 First side document hold
installation failure
Re-assemble the first side document hold.
6 Scratch on ADF cover Replace the ADF cover.
7 Document feed roller
worn out Replace the document feed roller ASSY2.
8 First side document scanning
position sensor failure
Replace the first side document scanning
position sensor PCB ASSY.
9 ADF drive gear damaged Replace the ADF unit.
10 Scratch on document scanner
unit
Replace the document scanner 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