Brother MFC-J6935DW Service Manual

Confidential
2-62
■ Paper jam around MP tray/manual feed slot
< User Check >
- Check that recording paper is loaded correctly in the MP tray/manual feed slot.
- Adjust the paper guide to match the recording paper size.
- Check that the paper smaller than the specified size is not loaded.
- Check thickness of recording paper is within tolerance of each type.
- Check that the number of recording paper loaded in the MP tray/manual feed slot is
within specified volume.
- Clean the related rollers.
Step Cause Solution
1 Foreign materials in the
recording paper path
Remove foreign materials.
2 Platen foam drift Set the platen foam into place.
3 CR guide rail not mounted in
place
Set the CR guide rail into place.
4 Platen ASSY not mounted in
place
Set the platen ASSY into place.
5 Platen spring not mounted in
place
Set the platen spring into place.
6 Platen ASSY damaged,
broken
Replace the platen ASSY.
7 Registration sensor defective Replace the registration sensor PCB ASSY.
8 MP paper detection sensor
defective
Replace the MP paper detection sensor PCB
ASSY.
9 MP tray/Manual paper tray
ASSY defective
Replace the MP tray ASSY/manual paper tray
ASSY.
10 Main PCB defective Replace the main PCB.

Brother MFC-J6935DW Specifications

General

Type	all in one, copier, fax, scanner
Color	gray
Touch Screen	yes
Display Size	3.7 inches
Tray Capacity	500
Output Tray Capacity	100
Automatic Document Feeder Capacity	50 sheets
Paper Size	letter, ledger, executive, envelope (com-10, dl envelope, monarch), a3, a4, a5, a6 photo 4"x6", 3.5"x5", 5"x7", 5"x8", manual by-pass: 3.5" x 5" to 11" x 17"
Printing Method	color
Color Print Speed	20 pages per minute
Mono Print Speed	22 pages per minute
First Page Print Time	6 seconds
Print Resolution Mono	up to 4800 x 1200
Print Resolution Color	up to 4800 x 1200
Two-Sided Printing	no
Maximum Number of Pages Per Month	up to 30, 000
Photo Printing	yes
Scanner Type	flatbed
Scan Resolution	up to 19200 x 19200
Duplex Scan	yes
Fax Function	yes
Cartridges	lc3029bk/c/m/y inkvestment super high-yield cartridges
Number Of Cartridges	4
Number of Ink Tanks	0
Internal Memory	yes
Memory Card	no
Network	wired, wireless
Connectivity	apple airprint, brother iprint&scan, ethernet, google cloud print, mopria print service, nfc, usb, wi-fi direct
OS Compatibility	windows 10, 8.1, 8, 7, vista; windows server 2012, 2012 r2, 2008, 2008 r2; os x v 10.11.x, 10.10.x, 10.9.5.x; hdd space for drivers and apps
Mobile Devices Connection	yes

Weight and Dimensions

Depth	22.7 inches
Height	14.7 inches
Width	22.6 inches
Net Weight	51.8 pounds