Brother MFC-J6935DW Service Manual

Confidential
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■ Error Code A200
Document scanning position sensor detects length of document 900 mm or more.
< User Check >
- Check whether the scanned document is longer than the specified limit.
- Remove the jammed document.
■ Error Code A300
Document detection sensor detects that document is pulled out during document
scanning. Or, the document scanning position sensor cannot detect document
within specified time.
< User Check >
- Remove the jammed document.
Step Cause Solution
1 Document scanning position
actuator caught on the
surrounding parts
Set the document scanning position actuator
into place.
2 Document scanning position
sensor defective
Replace the document scanning position
sensor PCB.
3 ADF motor defective
Document feed roller worn out
Replace the ADF unit.
4 Main PCB defective Replace the main PCB.
Step Cause Solution
1 Foreign materials in the
document feeding path
Remove foreign materials.
2 Document detection actuator
caught on the surrounding
parts
Set the document detection actuator into place.
3 Document scanning position
actuator out of place
Set the document scanning position actuator
into place.
4 Document scanning position
sensor harness connection
failure
Reconnect the document scanning position
sensor harness.
5 Document scanning position
sensor defective
Replace the document scanning position
sensor PCB.
6 Document pick-up roller worn
out
Replace the document separation roller ASSY.
7 ADF motor defective Replace the ADF unit.
8 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