Brother MFC-J6520DW Service Manual

Confidential
2-49

Error Code BC
Level of second side CIS scan result is detected as abnormal during FAX transmission
(after re-try.)
 Error Code BD
Black level value abnormal at scanning.
Unable to Scan BC LCD
Step Cause Solution
1 White level data failure Carry out maintenance 55 to obtain white level
data.
2 White reference tape of
document pressure bar of ADF
cover stained
Clean the white reference tape of document
pressure bar of ADF cover.
3 Second side CIS unit defective Replace the second side CIS unit.
4 White reference tape of
document pressure bar of ADF
cover damage, broken
Replace the ADF cover.
5 Main PCB defective Replace the main PCB ASSY.
Unable to Scan BD LCD
Step Cause Solution
1 Black level data failure Carry out maintenance 55 to obtain white level
data.
2 First side or second side CIS
unit defective
Replace the first side or second side CIS unit.
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