Brother MFC-9140CDN Service Manual

2-100
Confidential
■ Ghost
■ Color misregistration
■ Fogging
<User Check>
- Check the machine’s environment. High temperature and high
humidity or low temperature and low humidity conditions can cause this
problem.
- Check whether appropriate paper type is selected on the driver.
- Select "Improve Toner Fixing Mode" in the driver.
- Replace the drum unit with a new one.
Step Cause Remedy
1 Fuser unit failure Replace the fuser unit.
2 High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
3 Main PCB failure Replace the main PCB ASSY.
<User Check>
- Implement the adjustment of color registration (adjustment of inter-color
position alignment).
- Replace the drum unit with a new one.
- Replace the belt unit with a new one.
- Replace the waste toner box with a new one.
Step Cause Remedy
1 Registration mark L failure Replace the registration mark L PCB ASSY.
2 Registration mark R failure Replace the registration mark R PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.
<User Check>
- Check the machine’s environment. High temperature and high
humidity or low temperature and low humidity conditions can cause this
problem.
- This symptom might stop occurring after making several prints.
- Replace the drum unit or toner cartridge with a new one.
- Do not use acid paper.
Step Cause Remedy
1 High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
2 Main PCB failure Replace the main PCB ASSY.
Note:
This problem often occurs when the drum unit or toner cartridge is nearly at the end of life.

Brother MFC-9140CDN Specifications

General

Print technology	LED
Maximum resolution	600 x 2400 DPI
Economical printing	Yes
Duplex printing mode	Auto
Warm-up time (from sleep mode)	24 s
Time to first page (black, normal)	16 s
Print speed (black, normal quality, A4/US Letter)	22 ppm
Duplex print speed (black, normal quality, A4/US Letter)	3.5 ppm
Copier resize	25 - 400 %
Maximum copy resolution	600 x 600 DPI
Maximum number of copies	99 copies
N-in-1 copy function (N=)	2, 4, 9, 16, 25
Time to first copy (black, normal)	19 s
Time to first copy (color, normal)	22 s
Copy speed (black, normal quality, A4)	22 cpm
Scan to	E-mail, E-mail Server, File, FTP, Image, OCR
Scan drivers	ICA, ISIS, TWAIN, WIA
Scanner type	Flatbed & ADF scanner
Film scanning	No
Grayscale levels	256
Input color depth	48 bit
Maximum scan area	216 x 356 mm
Output color depth	24 bit
Image formats supported	JPG, PNG, TIF
Maximum scan resolution	19200 x 19200 DPI
Document formats supported	PDF
Optical scanning resolution	1200 x 2400 DPI
Faxing	Color faxing
Fax memory	500 pages
Modem speed	33.6 Kbit/s
Fax coding methods	JBIG, MH, MMR (Fax coding method), MR
Fax transmission speed	2 sec/page
Fax speed dialing (max numbers)	200
Printing colors	Black, Cyan, Magenta, Yellow
Maximum duty cycle	- pages per month
Recommended duty cycle	300 - 1500 pages per month
Number of print cartridges	4
Page description languages	BR-Script 3, PCL 6
Paper input type	Paper tray
Total input capacity	250 sheets
Total output capacity	100 sheets
Auto document feeder (ADF) input capacity	35 sheets
Custom media width	76.2 - 215.9 mm
Custom media length	116 - 355.6 mm
Paper tray media types	Glossy paper, Heavy paper, Labels, Plain paper, Pre-Printed, Recycled paper, Thin paper
Paper tray media weight	60 - 105 g/m²
Non-ISO print media sizes	Legal
ISO A-series sizes (A0...A9)	A4, A5, A6
JIS B-series sizes (B0...B9)	B5, B6
Maximum ISO A-series paper size	A4
Auto Document Feeder (ADF) media weight	64 - 90 g/m²
Display	TFT
Control type	Touch
Product color	Black, White
Display diagonal	3.7 \
Market positioning	Business
Standard interfaces	Ethernet, USB 2.0
Wi-Fi	-
Cabling technology	10/100Base-T(X)
Security algorithms	HTTPS, SSL/TLS
Ethernet LAN data rates	10, 100 Mbit/s
Mobile printing technologies	Apple AirPrint, Google Cloud Print
Sound power level (standby)	33 dB
Sound pressure level (printing)	53 dB
AC input voltage	220 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (off)	0.05 W
Power consumption (standby)	70 W
Power consumption (PowerSave)	7.5 W
Power consumption (average operating)	380 W
Package depth	534 mm
Package width	602 mm
Package height	565 mm
Package weight	27900 g
Mac operating systems supported	Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion
Server operating systems supported	Windows Server 2003, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64, Windows Server 2012
Sustainability certificates	Nordic Swan Ecolabel, Blue Angel, ENERGY STAR

Weight and Dimensions

Depth	483 mm
Width	410 mm