Brother MFC-J6520DW Service Manual

Confidential
2-23

Error Code 18
Paper jam during duplex-printing
Registration sensor does not detect paper feed within specified pulse numbers in the
second side paper re-feed
(recording paper was pulled out, or very likely to have been pulled out.)
User Check
- Remove the jammed paper.
- Check whether the recording paper being used is within the specification.
- Check that recording paper are not curled, wrinkled or wet.
Paper Jam LCD
Step Cause Solution
1 Foreign materials in the duplex
print paper path
Remove foreign materials.
2 Registration actuator caught
on the surrounding parts
Set the registration actuator into place.
3 Registration sensor defective Replace the registration sensor PCB ASSY.
4 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