Brother MFC-L8850CDW Service Manual

4-1
Confidential
CHAPTER 4 ADJUSTMENTS AND
UPDATING OF SETTINGS,
REQUIRED AFTER PARTS
REPLACEMENT
1. IF YOU REPLACE THE MAIN PCB ASSY
■ What to do after replacement
- Installing the Firmware (Sub firmware, Panel firmware, Main Firmware, and High-voltage
firmware)
- Initializing the EEPROM of the Main PCB ASSY (Function code 01)
- Setting the Serial Number (Function code 80)
- Restore Machine Information (Function code 41)
- Setting by Country (Function code 74)
- Motor Reset (Function code 57)
- Continuous Adjustments of Density and Registration Sensor (Function code 73)
- Acquisition of White Level Data (Function code 55)
- Adjustment of Touch Panel (Function code 61)
- Restoration of States at Factory Shipment
■ What you need to prepare
(1) USB flash memory
(2) A USB cable
(3) Create a temporary folder on the C drive of the computer (Windows
®
XP or higher).
(4) Service setting tool (BrUsbsn.zip)
Copy it into the temporary folder that has been created in the C drive. Extract the copied
file and execute “BrUsbsn.exe” file by double-clicking it.
(5) Download utility (Filedg32.exe)
Copy it into the temporary folder that has been created in the C drive.
(6) Maintenance printer driver (Maintenance_driver.zip)
When the maintenance printer driver is not installed, copy this file into the temporar
y
folde
r created on the C drive, and extract the copied file. Refer to
“APPENDIX 3
INST
ALLING THE MAINTENANCE PRINTER DRIVER” to install the driver.
(7) Firmware
(8) Touch pen
Sub firmware LZXXXX_$.djf
Panel firmware LZXXXX_$.djf
Main firmware LZXXXX_$.djf
High-voltage firmware LZXXXX_$.djf
LZXXXX: First six digits of the part number of the firmware
$: Alphabet representing the revision of the firmware.

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