Brother MFC-J6730DW Service Manual

Confidential
2-57
4.2 Recording Paper Feeding Problems
Problems related to paper feeding are end user recoverable if following the User
Check items.
If the same problem occurs, follow each procedure in the order of the number
described in the Step column in the tables below.
4.2.1 Paper is not fed from paper tray
< User Check >
- Check that setting of tray selection is not fixed to MP Tray/Manual feed slot.
- Check that recording paper is loaded correctly in 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 paper tray, or rotating direction of the paper
for 180 degrees.
- Check thickness of recording paper is within tolerance of each type.
- Check that the number of recording paper loaded in the paper tray is within specified
volume.
- Clean the paper pull-in roller.
Step Cause Solution
1 Paper pull-in roller not
mounted in place
Set the paper pull-in roller into place.
2 CR encoder strip stained Clean the CR encoder strip.
3 PF encoder disk stained Clean the PF encoder disk and flushing
guide.
(refer to "Precautions for Troubleshooting
and/or Disassembly/Assembly")
4 Bank ASSY out of place Set the bank ASSY into place.
5 The grease of the switching
lever guide of the maintenance
unit is not enough
Apply the grease for the switching lever guide
of the maintenance unit.
(refer to Fig. 2-8 (2-58))
6 ASF motor harness connection
failure
Reconnect the ASF motor harness.
7 3rd tray paper feed motor
harness connection failure
Reconnect the 3rd tray paper feed motor
harness.
8 Registration actuator out of
place
Set the registration actuator into place.
9 3rd tray paper pull-in actuator
out of place
Set the 3rd tray paper pull-in actuator into
place.
10 Paper feeding path parts out of
place
Set the feeding path parts into place.
11 Paper pull-in roller worn out Replace the T1 Paper pull-in roller L/R, paper
feed arm frame ASSY, T2 Paper pull-in roller
L/R, LT frame ASSY or T3 Paper pull-in roller
L/R.
12 CR encoder strip defective Replace the CR encoder strip.
13 CR encoder sensor defective Replace the carriage PCB 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