Brother MFC-J6520DW Service Manual

Confidential
2-83
4.9 Fax Problems
4.9.1 No faxes can be sent
User Check
- Check that the line cord is inserted correctly into the socket.
- Check that the dialing function setting (tone/pulse) is correct.
- Check that the phone cord is not connected to EXT terminal.
4.9.2 No faxes can be received
User Check
- Check that the line cord is inserted correctly into the socket.
- Check if the receiving mode setting is correct.
- Check that the phone cord is not connected to EXT terminal.
Step Cause Solution
1 MJ PCB harness connection
failure
Reconnect the MJ PCB harness.
2 LCD PCB harness connection
failure
Reconnect the LCD PCB harness.
3 Panel PCB harness
connection failure
Reconnect the panel PCB harness.
4 LCD PCB ASSY defective Replace the LCD PCB ASSY.
5 Touch panel defective Replace the touch panel.
6 MJ PCB defective Replace the MJ PCB ASSY.
7 First side or second side CIS
unit defective
Replace the first side or second side CIS unit.
8 Main PCB defective Replace the main PCB ASSY.
Step Cause Solution
1 MJ PCB harness connection
failure
Reconnect the MJ PCB harness.
2 MJ PCB defective Replace the MJ PCB ASSY.
3 Main PCB defective Replace the main PCB ASSY.

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