Brother MFC-J6730DW Service Manual

Confidential
2-80
4.7 Document Feeding Problems
4.7.1 Document can not be fed
< User Check >
- Check that document is loaded all the way to the end correctly in the document tray.
- Check that the number of documents loaded in the document tray is within specified
volume.
4.7.2 Document double feeding
< User Check >
- Check whether a document thinner than the specified one is used..
Step
Cause Solution
1 Foreign materials in adjacent
area of the document pick-up
roller
Remove foreign materials.
2 Document pick-up roller
stained
Clean the document pick-up roller.
3 Document detection actuator
not mounted in place
Set the document detection actuator into place.
4 ADF motor harness connection
failure
Reconnect the ADF motor harness.
5 ADF document detection
sensor harness connection
failure
Reconnect the ADF document detection sensor
harness.
6 Document pick-up roller worn
out
Replace the document separation roller ASSY.
7 ADF document detection
sensor defective
Replace the ADF document detection sensor/
ADF document width sensor PCB.
8 ADF motor defective
Document feed gear,
document separation roller
gear broken
Replace the ADF unit.
9 Main PCB defective Replace the main PCB.
Step
Cause Solution
1 ADF separation pad worn out Replace the ADF separation pad holder ASSY.

Brother MFC-J6730DW Specifications

General

Duplex printing	Yes
Print technology	Inkjet
Maximum resolution	4800 x 1200 DPI
Duplex printing mode	Auto
Print speed (black, normal quality, A4/US Letter)	22 ppm
Print speed (color, normal quality, A4/US Letter)	20 ppm
Copier resize	25 - 400 %
Maximum number of copies	99 copies
Scanner type	ADF scanner
Maximum scan area	295 x 429.8 mm
Maximum scan resolution	19200 x 19200 DPI
Optical scanning resolution	- DPI
Optical scanning resolution (black)	600 x 600 ppi
Optical scanning resolution (color)	600 x 300 ppi
Faxing	Color faxing
Fax memory	200 pages
Modem speed	33.6 Kbit/s
Fax forwarding to	PC
Fax speed dialing (max numbers)	100
Digital sender	-
Printing colors	Black, Cyan, Magenta, Yellow
Maximum duty cycle	- pages per month
Display	LCD
Control type	Touch
Product color	Black
Market positioning	Home & office
Paper input type	Paper tray
Total input capacity	250 sheets
Total output capacity	100 sheets
Maximum input capacity	501 sheets
Auto document feeder (ADF) input capacity	50 sheets
Envelopes sizes	C5, Com-10, DL, Monarch
Paper tray media types	Glossy paper, Plain paper, Recycled paper
Non-ISO print media sizes	Folio (media size), Ledger (media size), Legal (media size), Letter (media size)
ISO A-series sizes (A0...A9)	A3, A4, A5, A6
ISO B-series sizes (B0...B9)	B4, B5, B6
Photo paper sizes (imperial)	9x13, 10x15, 13x18 \
Maximum ISO A-series paper size	A4
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Cabling technology	10/100Base-T(X)
Security algorithms	64-bit WEP, 128-bit WEP, WPA-AES, WPA-PSK, WPA-TKIP, WPA2-AES, WPA2-PSK, WPA2-TKIP
Ethernet LAN data rates	10, 100 Mbit/s
Internal memory	128 MB
Standard interfaces	Ethernet, USB 2.0
AC input voltage	220 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (off)	0.04 W
Power consumption (ready)	6 W
Power consumption (sleep)	1.6 W
Power consumption (copying)	28 W
Power consumption (average operating)	- W
Mac operating systems supported	Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.9 Mavericks
Server operating systems supported	Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
Windows operating systems supported	Windows 10, Windows 7, Windows 8, Windows 8.1, Windows Vista

Weight and Dimensions

Depth	477 mm
Width	575 mm
Height	374 mm