Brother MFC-J6920DW Service Manual

Confidential
2-78
4.8 Scanned-image Problems
4.8.1 Defective images
Fig. 2-11
4.8.2 Troubleshooting from image defect
 Light
User Check
- Check if the contrast is set to "Light."
- Clean document cover glass or ADF glass.
- Clean the document pressure bar.
Step Cause Solution
1 White level correction data
failure
Carry out maintenance 55.
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.
Light
Scanning position failure
Dark
Completely blank
Straight vertical stripes
White vertical streaks
Colored over the whole page
Entire image is distorted

Brother MFC-J6920DW Specifications

General

Type	all in one
Tray Capacity	500
Automatic Document Feeder Capacity	35 sheets
Paper Size	11" x 17"
Paper Handling	up to 500 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
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	no
Memory Card	yes
Network	wireless
Connectivity	usb
OS Compatibility	pc: windows server 2003, server 2003 r2, server 2008, server 2008 r2, server 2012, xp home, xp professional, vista, 7 or 8, mac: os x v10.6x, 10.7x or 10.8x
Mobile Devices Connection	yes

Weight and Dimensions

Height	21.9 inches
Width	17 inches
Net Weight	36.4 pounds