Brother MFC-J6520DW Service Manual

5-22
Confidential
1.3.11 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 tone signals cyclically for testing the
speaker.
Note: To stop beeping, press the SET key.
If the sensing statuses are as defined below, the LCD shows the 1st sensor group
"DFDRCVRSCCP1**AC."
(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 Document detection sensor No document/Document present
DR Document scanning position sensor No document/Document present
CV Document scanner sensor Cover closed/Cover opened
RS Registration sensor No recording paper/
Recording paper present
CC Ink cartridge cover sensor Cover closed/Cover opened
P1 Purge cam sensor Origin/Out of origin
AC ADF cover sensor Cover closed/Cover opened
IK Black ink cartridge detection sensor Cartridge present/No cartridge
IY Yellow ink cartridge detection sensor Cartridge present/No cartridge
IC Cyan ink cartridge detection sensor Cartridge present/No cartridge
IM Magenta ink cartridge detection sensor Cartridge present/No cartridge
EK Black ink remaining sensor Ink present/No ink
EY Yellow ink remaining sensor Ink present/No ink
EC Cyan ink remaining sensor Ink present/No ink
EM Magenta ink remaining sensor Ink present/No ink
PP Switchback sensor No recording paper/
Recording paper present
A3 Document width sensor No document (A3)/
Document present (A3)
RB Second side document scanning
position sensor
No document/Document present
VT Head thermistor Normal temperature/Abnormal
temperature
T1 High temperature detector in the
complex IC (for main PCB)
Normal temperature/Abnormal
temperature

Brother MFC-J6520DW Specifications

General

Type	all in one
Color	gray
Tray Capacity	250
Automatic Document Feeder Capacity	35 sheets
Paper Size	11" x 17"
Paper Handling	up to 250 sheets
Color Print Speed	20 pages per minute
Mono Print Speed	22 pages per minute
Print Resolution Mono	up to 6000 x 1200
Print Resolution Color	up to 6000 x 1200
Maximum Number of Pages Per Month	up to 25, 000
Scanner Type	flatbed
Scan Resolution	up to 2400 x 1200
Copier Resolution Mono	up to 2400 x 1200
Copier Resolution Color	up to 2400 x 1200
Fax Function	yes
Cartridges	lc103bk/c/m/y
Number Of Cartridges	4
Internal Memory	yes
Memory Card	yes
Network	wired, wireless
Connectivity	usb
OS Compatibility	pc: windows xp home, xp professional, vista, 7, 8, server 2003, server 2003 r2, server 2008, server 2008 r2 or server 2012, mac: os x 10.6.x, 10.7.x or 10.8.x
Mobile Devices Connection	yes

Weight and Dimensions

Height	21.8 inches
Width	17 inches
Net Weight	31.5 pounds