Brother DCP-J752DW Service Manual

Confidential
ii
2.1 Cross-section Drawings ........................................................................................ 2-3
2.1.1 Document scanning ..................................................................................... 2-3
2.1.2 Printer part ...................................................................................................2-3
2.2 Document Feeding/Recording Paper Feeding ..................................................... 2-4
2.2.1 Document feeding ........................................................................................ 2-4
2.2.2 Recording paper feeding path ...................................................................... 2-4
2.3 Function of Each Sensor/Roller ............................................................................ 2-5
2.4 Block Diagram ...................................................................................................... 2-6
2.5 Components ......................................................................................................... 2-7
3 ERROR INDICATION .................................................................................................... 2-8
3.1 Error Codes ..........................................................................................................2-8
3.2 Error Messages .................................................................................................. 2-12
3.3 Communications Error ........................................................................................ 2-15
4 TROUBLESHOOTING ................................................................................................ 2-19
4.1 Error Cause and Solutions ................................................................................. 2-19
4.2 Recording Paper Feeding Problems .................................................................. 2-52
4.2.1 Recording paper is not fed from paper tray ................................................ 2-52
4.2.2 The disc tray is not fed ............................................................................... 2-53
4.2.3 Two or more sheets of paper fed at a time ................................................ 2-53
4.2.4 Recording paper feeding at an angle ......................................................... 2-54
4.2.5 Recording paper is wrinkling ......................................................................2-54
4.2.6 Recording paper jam .................................................................................. 2-55
4.2.7 Disc tray jam ..............................................................................................2-57
4.2.8 Cannot perform duplex printing .................................................................. 2-58
4.3 Print-image Problems ......................................................................................... 2-59
4.3.1 Defective images ........................................................................................2-59
4.3.2 Troubleshooting by print-image defect .......................................................2-60
4.4 Software-related Problems ................................................................................. 2-71
4.4.1 Cannot print data ........................................................................................2-71
4.5 Network Problems ..............................................................................................2-72
4.5.1 Cannot print through a network connection ............................................... 2-72
4.6 Control Panel Problems ...................................................................................... 2-73
4.6.1 No display on the LCD ...............................................................................2-73
4.6.2 LED does not light up ................................................................................. 2-73
4.6.3 The control panel does not work ................................................................ 2-73
4.6.4 Touch panel inoperative ............................................................................. 2-73
4.7 Document Feeding Problems ............................................................................. 2-74

Brother DCP-J752DW Specifications

General

Duplex printing	Yes
Print technology	Inkjet
Maximum resolution	1200 x 6000 DPI
Print speed (ISO/IEC 24734) mono	12 ipm
Print speed (ISO/IEC 24734) color	10 ipm
Duplex print speed (ISO/IEC 24734) mono	3 ipm
Print speed (black, normal quality, A4/US Letter)	33 ppm
Print speed (color, normal quality, A4/US Letter)	27 ppm
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 2400 DPI
Maximum number of copies	99 copies
Copy speed (black, normal quality, A4)	6 cpm
Scan to	E-mail, File, Image, Memory Card, OCR, USB
Scan drivers	ICA, TWAIN, WIA
Scanner type	ADF scanner
Grayscale levels	256
Input color depth	30 bit
Output color depth	24 bit
Image formats supported	BMP, JPG, PNG, TIF
Maximum scan resolution	19200 x 19200 DPI
Document formats supported	PDF
Faxing	No
Printing colors	Black, Cyan, Magenta, Yellow
Maximum duty cycle	- pages per month
Number of print cartridges	4
Paper input type	Paper tray
Total input capacity	100 sheets
Total output capacity	50 sheets
Total number of input trays	1
Auto document feeder (ADF) input capacity	20 sheets
Envelopes sizes	7 3/4, 10, C5, DL
Photo paper sizes	10x15, 13x18 cm
Custom media width	98 - 215.9 mm
Maximum print size	216 x 356 mm
Custom media length	148 - 355.6 mm
Paper tray media types	Coated paper, Glossy paper, Plain paper, Transparencies
Non-ISO print media sizes	Executive (184 x 267mm), index card, Letter (media size)
ISO A-series sizes (A0...A9)	A4, A5, A6
Borderless printing media sizes	2L, A4
Maximum ISO A-series paper size	A4
Display	TFT
Control type	Touch
Product color	Black
Display diagonal	2.7 \
Market positioning	Home & office
Standard interfaces	USB 2.0
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Security algorithms	128-bit WEP, 64-bit WEP, SSID, WPA-AES, WPA-PSK, WPA-TKIP, WPA2-AES, WPA2-PSK, WPS
Mobile printing technologies	Apple AirPrint, Google Cloud Print
Processor family	RISC
Compatible memory cards	microSD (TransFlash), microSDHC, miniSD, miniSDHC, MMC, MMC Mobile, MMC+, MS Duo, MS Micro (M2), MS PRO Duo, SD, SDHC, SDXC
Sound pressure level (printing)	50 dB
AC input voltage	220 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (off)	0.2 W
Power consumption (standby)	3.5 W
Power consumption (average operating)	16 W
Operating temperature (T-T)	10 - 35 °C
Operating relative humidity (H-H)	20 - 80 %
Mac operating systems supported	Mac OS X 10.5 Leopard, 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 2008, Windows Server 2008 R2, Windows Server 2008 x64
Windows operating systems supported	Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Professional, Windows XP Professional x64
Sustainability certificates	Nordic Swan Ecolabel, Blue Angel, ENERGY STAR

Weight and Dimensions

Depth	374 mm
Width	410 mm
Height	180 mm