Brother MFC-L8850CDW Service Manual

3-137
Confidential
9.46 Main PCB ASSY
(1) Disconnect the twenty five Connectors (CN2, CN3, CN4, CN5, CN6, CN8, CN9, CN10,
CN12, CN13, CN14, CN15, CN16, CN17, CN18, CN19, CN21, CN30, CN40, CN42,
CN43, CN44, CN46, CN47 and CN49) and three Flat cables (CN7, CN31 and CN45) from
the Main PCB ASSY.
Fig. 3-187
Note: Backup of machine information
Before starting disassembly work, back up the machine information and user setting
information.
(Refer to “1.3.13 Backup of machine information (Function code 41)” in Chapter 5.)
After replacing the PCB, restore the backup data to a new PCB.
Note:
- After disconnecting flat cables, check that each cable is not damaged at its end or
short-circuited.
- When connecting flat cables, do not insert them at an angle. After insertion, check
that the cables are not at an angle.
Main PCB ASSY
CN41
CN39
CN38 CN37
CN33
CN32
CN28
CN27
CN20
CN3
CN4CN5
CN2
CN6
CN7
CN21
CN8
CN10
CN12
CN11
CN9
CN13CN22
CN14
CN15
CN26
CN17
CN18
CN19
CN31CN30
CN45
CN40
CN47
CN46
CN44
CN43
CN42
CN16
CN49

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