Brother MFC-L8850CDW Service Manual

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■ Error code D800
Error occurred during touch panel initialization.
Error code D900
Communication between the panel PCB and main PCB is unavailable during touch panel
initialization.
Error code DA00
After the initialization of the panel PCB, no response was sent from the panel PCB for a period
of time.
Error code DB00
USB communication between the main PCB and panel PCB is unavailable.
Touchscreen initialization failed
Remove any material which is on the touchscreen.
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-
-
-
Print Unable DB
Turn the power off and then back on again.
Step Cause Remedy
1 The version of the panel
firmware and the main firmware
do not match
Install the latest panel firmware and main
firmware.
2 Connection failure of the panel
PCB harness
Reconnect the panel PCB harness.
3 Connection failure of the touch
panel flat cable
Reconnect the touch panel flat cable.
4 Connection failure of the Key
PCB flat cable
Reconnect the key PCB flat cable.
5 Panel PCB failure Replace the panel PCB unit.
6 Touch panel ASSY failure Replace the touch panel ASSY.
7 Key PCB failure Replace the panel cover ASSY.
8 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