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Brother MFC-9140CDN Service Manual

Brother MFC-9140CDN
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2-1
Confidential
CHAPTER 2 ERROR INDICATION AND
TROUBLESHOOTING
1. INTRODUCTION
Troubleshooting is the countermeasure procedures that the service personnel should follow if
an error or malfunction occurs with the machine. It is impossible to anticipate all of the
possible troubles which may occur in future and determine the troubleshooting procedures, so
this chapter covers some sample troubles. However, those samples will help the service
personnel pinpoint and repair other defective elements.
1.1 Precautions
Be sure to observe and follow all the precautions to prevent any secondary problems from
happening during troubleshooting.
(1) Always turn off the power and unplug the power cable before removing any covers or
PCBs, adjusting the machine and so on. If you need to take voltage measurements with
the power switched on, take the greatest of care not to receive an electric shock.
(2) When connecting or disconnecting cable connectors, make sure that you hold the
connector body and not the cables.
(3) Static electricity charged in your body may damage electronic parts.
Before handling the PCBs, touch a metal portion of the machine to discharge static
electricity charged in your body. When transporting PCBs, be sure to wrap them in
conductive sheets.
When replacing the PCBs, put on a grounding wrist band and perform the job on a
antistatic mat. Also take care not to touch the conductor sections on the flat cables.
(4) Follow the warning by all means.
WARNING
Hazard labels as shown below are attached to the machine. Fully understand the
descriptions on the hazard labels and observe them during troubleshooting.
Take extreme care not to remove or damage the hazard labels.

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Brother MFC-9140CDN Specifications

General IconGeneral
Print technologyLED
Maximum resolution600 x 2400 DPI
Economical printingYes
Duplex printing modeAuto
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 resize25 - 400 %
Maximum copy resolution600 x 600 DPI
Maximum number of copies99 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 toE-mail, E-mail Server, File, FTP, Image, OCR
Scan driversICA, ISIS, TWAIN, WIA
Scanner typeFlatbed & ADF scanner
Film scanningNo
Grayscale levels256
Input color depth48 bit
Maximum scan area216 x 356 mm
Output color depth24 bit
Image formats supportedJPG, PNG, TIF
Maximum scan resolution19200 x 19200 DPI
Document formats supportedPDF
Optical scanning resolution1200 x 2400 DPI
FaxingColor faxing
Fax memory500 pages
Modem speed33.6 Kbit/s
Fax coding methodsJBIG, MH, MMR (Fax coding method), MR
Fax transmission speed2 sec/page
Fax speed dialing (max numbers)200
Printing colorsBlack, Cyan, Magenta, Yellow
Maximum duty cycle- pages per month
Recommended duty cycle300 - 1500 pages per month
Number of print cartridges4
Page description languagesBR-Script 3, PCL 6
Paper input typePaper tray
Total input capacity250 sheets
Total output capacity100 sheets
Auto document feeder (ADF) input capacity35 sheets
Custom media width76.2 - 215.9 mm
Custom media length116 - 355.6 mm
Paper tray media typesGlossy paper, Heavy paper, Labels, Plain paper, Pre-Printed, Recycled paper, Thin paper
Paper tray media weight60 - 105 g/m²
Non-ISO print media sizesLegal
ISO A-series sizes (A0...A9)A4, A5, A6
JIS B-series sizes (B0...B9)B5, B6
Maximum ISO A-series paper sizeA4
Auto Document Feeder (ADF) media weight64 - 90 g/m²
DisplayTFT
Control typeTouch
Product colorBlack, White
Display diagonal3.7 \
Market positioningBusiness
Standard interfacesEthernet, USB 2.0
Wi-Fi-
Cabling technology10/100Base-T(X)
Security algorithmsHTTPS, SSL/TLS
Ethernet LAN data rates10, 100 Mbit/s
Mobile printing technologiesApple AirPrint, Google Cloud Print
Sound power level (standby)33 dB
Sound pressure level (printing)53 dB
AC input voltage220 - 240 V
AC input frequency50 - 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 depth534 mm
Package width602 mm
Package height565 mm
Package weight27900 g
Mac operating systems supportedMac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion
Server operating systems supportedWindows Server 2003, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64, Windows Server 2012
Sustainability certificatesNordic Swan Ecolabel, Blue Angel, ENERGY STAR
Weight and Dimensions IconWeight and Dimensions
Depth483 mm
Width410 mm

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