Brother MFC-L8850CDW Service Manual

5-25
Confidential
If an error occurs while executing Function code 41, error items below are displayed on the
LCD. Press the X key, and the machine returns to the initial state of the maintenance mode.
Then, take a measure.
Restoration Procedure
(1) Insert the USB flash memory containing the backup data into the slot of the machine in
the initial state of the maintenance mode. The “USB Host Connect” is displayed on the
LCD.
(2) Press the 4 and 1 keys in this order. The “Export to USB” is displayed on the LCD.
(3) Press the or key to display the desired restore method shown below on the LCD,
and press the Mono Start key. “*******.seri” is displayed on the LCD. (“*******” shows the
name of the model.)
(4) Press the Mono Start key. The “Reboot OK?” is displayed on the LCD.
(5) Press the Mono Start key. “Please wait” is displayed on the LCD and the restoring is
performed. Upon completion of restoring, the machine returns to the initial state of the
maintenance mode.
(6) Remove the USB flash memory from the machine.
Restore methods
“Import PI” for restoring only user setting information
“Import ALL” for restoring all backup data including machine information
If an error occurs while executing Function code 41, error items below are displayed on the
LCD. Press the X key, and the machine returns to the initial state of the maintenance mode.
Then, take a measure.
LCD Cause
USB Mem used The USB flash memory is being used by another operation.
Insert USB Mem No USB flash memory is inserted.
No file The file name is invalid or no “BROTHER” folder exists.
USB Mem Error USB flash memory error
Write Error The USB flash memory does not have enough space.
Note:
- Never remove the USB flash memory from the machine when exporting is in progress.
- If the serial number of the backup data saved in the USB flash memory and the serial
number of the machine do not match, the data cannot be restored.
LCD Cause
USB Mem used The USB flash memory is being used by another operation.
Insert USB Mem No USB flash memory is inserted.
No file The file name is invalid or no “BROTHER” folder exists.
There is no backup data.
USB Mem Error USB flash memory error
Machine ID Error Serial number does not match. The data is for other machine.
Write Error A write error occurred.

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