Brother MFC-J6935DW Service Manual

5-19
Confidential
1.3.9 Sensor Operational Check (Maintenance mode 32)
< Function >
This function checks whether sensors work normally.
< Operating Procedure >
(1) Press the 3 and 2 keys in this order in the initial stage of the maintenance mode.
The machine sounds 1,100 Hz and 400 Hz tones cyclically through the following
volumes for testing the speaker:
Note: To stop beeping, press the SET key.
The LCD shows the 1st sensor group "DFDRCVRSCCPGCPAC."
(2) Press the Mono Start key to switch to the next sensor group.
If asterisks (**) appear on the LCD, it means that the corresponding sensor does
not exist on the model.
Given below is the relationship between the LCD indication, sensor name and sensor status.
LCD
Sensors Sensing status (display/no display)
DF ADF document detection sensor No document/Document present
DR Document scanning position sensor No document/Document present
CV Document scanner sensor Document scanner closed/Document scanner opened
RS Registration sensor
No recording paper/Recording paper present
CC Ink cartridge cover sensor Cover closed/Cover opened
PG Purge cam sensor Out of origin/Origin
CP Cap cam sensor Out of origin/Origin
AC ADF cover sensor Cover closed/Cover opened
IK Ink cartridge detection sensor (K) Cartridge present/No cartridge*
IY Ink cartridge detection sensor (Y) Cartridge present/No cartridge*
IC Ink cartridge detection sensor (C) Cartridge present/No cartridge*
IM Ink cartridge detection sensor (M) Cartridge present/No cartridge*
EK Ink remaining sensor (K) Ink present/No ink
EY Ink remaining sensor (Y) Ink present/No ink
EC Ink remaining sensor (C) Ink present/No ink
EM Ink remaining sensor (M) Ink present/No ink
ST T1 detection sensor Paper tray #1 present/No paper tray #1
LT T2 detection sensor Paper tray #2 present/No paper tray #2
3T T3 detection sensor Paper tray #3 present/No paper tray #3
MP MP paper detection sensor
No recording paper/Recording paper present
SB Switchback sensor No recording paper/Recording paper present

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