Brother MFC-J6935DW Service Manual

Confidential
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4.2.2 Paper is not fed from manual feed slot
< User Check >
- Check that recording paper is loaded correctly in the manual feed slot.
- Check thickness of recording paper is within tolerance of each type.
- Check only a single recording paper enters.
4.2.3 Paper is not fed from MP tray
< User Check >
- Check that recording paper is loaded correctly in the MP tray.
- Check thickness of recording paper is within tolerance of each type.
- Check that setting of tray selection is not fix to the paper tray.
- Check that the paper smaller than the specified size is not loaded.
- Adjust the paper guide to match the recording paper size.
- Try reversing the recording paper in the MP tray, or rotating direction of the paper for
180 degrees.
- Check that the number of recording paper loaded in the MP tray is within specified
volume.
- Clean the MP paper pull-in roller.
- Check that there is no foreign material in the MP tray.
Step Cause Solution
1 Paper feed motor harness
connection failure
Reconnect the paper feed motor harness.
2
Registration actuator out of place Set the registration actuator into place.
3
Paper feeding path parts out of place Set the paper feeding path parts into place.
4 Registration sensor defective Replace the registration sensor PCB ASSY.
5 Paper feed motor defective Replace the paper feed motor.
6
Manual paper tray ASSY defective Replace the manual paper tray ASSY.
7 Main PCB defective Replace the main PCB.
Step Cause Solution
1 Paper feed motor harness
connection failure
Reconnect the paper feed motor harness.
2 MP paper detection sensor
harness connection failure
Reconnect the MP paper detection sensor
harness.
3 MP paper detection actuator out
of place
Set the MP paper detection actuator into place.
4 MP paper detection sensor
defective
Replace the MP paper detection sensor PCB
ASSY.
5
Paper feeding path parts out of place Set the paper feeding path parts into place.
6 Paper feed motor defective Replace the paper feed motor.
7 ASF motor defective Replace the maintenance unit.
8 MP drive gear broken
MP paper pull-in roller worn out
Replace the MP tray ASSY.
9 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