Brother MFC-J6935DW Service Manual

3-31
Confidential
[ 2 ] Backing up Machine Information and Head Calibration Data (when the main PCB
is to be replaced)
Before starting repair, the service personnel should back up the following machine
information, user setting information and head calibration data into a USB flash
memory.
- Machine information (Preset values, count values, error information, machine
specifications data, etc.)
- User setting information (telephone directory, password, station ID, transfer
information, telephone area code, user settings, etc.)
- Other data (Received fax data, ICM/OGM data, etc.)
Note that the following information cannot be backed up.
- MAC address
- Call and caller ID records
- Activity report
- Fax data to be sent (by delayed-timer, redialing, and polling)
 Operating Procedure
Back up the machine information, user setting information and other information,
referring to Chapter 5, Section 1.3.12 "Backup of Machine Information (Maintenance
mode 46)." and Chapter 5, Section 1.3.24 "Updating of Head Property Information and
Backup/Restoration of Head Calibration Data (Maintenance mode 68).".

Brother MFC-J6935DW Specifications

General

Type	all in one, copier, fax, scanner
Color	gray
Touch Screen	yes
Display Size	3.7 inches
Tray Capacity	500
Output Tray Capacity	100
Automatic Document Feeder Capacity	50 sheets
Paper Size	letter, ledger, executive, envelope (com-10, dl envelope, monarch), a3, a4, a5, a6 photo 4"x6", 3.5"x5", 5"x7", 5"x8", manual by-pass: 3.5" x 5" to 11" x 17"
Printing Method	color
Color Print Speed	20 pages per minute
Mono Print Speed	22 pages per minute
First Page Print Time	6 seconds
Print Resolution Mono	up to 4800 x 1200
Print Resolution Color	up to 4800 x 1200
Two-Sided Printing	no
Maximum Number of Pages Per Month	up to 30, 000
Photo Printing	yes
Scanner Type	flatbed
Scan Resolution	up to 19200 x 19200
Duplex Scan	yes
Fax Function	yes
Cartridges	lc3029bk/c/m/y inkvestment super high-yield cartridges
Number Of Cartridges	4
Number of Ink Tanks	0
Internal Memory	yes
Memory Card	no
Network	wired, wireless
Connectivity	apple airprint, brother iprint&scan, ethernet, google cloud print, mopria print service, nfc, usb, wi-fi direct
OS Compatibility	windows 10, 8.1, 8, 7, vista; windows server 2012, 2012 r2, 2008, 2008 r2; os x v 10.11.x, 10.10.x, 10.9.5.x; hdd space for drivers and apps
Mobile Devices Connection	yes

Weight and Dimensions

Depth	22.7 inches
Height	14.7 inches
Width	22.6 inches
Net Weight	51.8 pounds