Brother MFC-J5730DW Service Manual

Confidential
2-88
4.10.7 Noise comes from machine
4.10.8 “Unusable Device” is displayed
< User Check >
- Disconnect the unsupported USB device.
Step Cause Solution
1 Foreign materials in the
recording paper path
Remove foreign materials.
2 Foreign materials around the
maintenance unit
Remove foreign materials.
3 CR encoder strip stained Clean the CR encoder strip.
4 PF encoder disk stained Clean the PF encoder disk.
5 Looseness of the CR timing
belt
Re-hook the CR timing belt properly.
6 Looseness of the switchback
roller belt
Re-hook the switchback roller belt properly.
7 Looseness of the paper feed
roller belt
Re-hook the paper feed roller belt properly.
8 Looseness of the paper
ejection roller belt
Re-hook the paper ejection roller belt properly.
9 Looseness of the CIS drive
belt
Re-hook the CIS drive belt properly.
10 Paper feed motor not mounted
in place
Set the paper feed motor into place.
11 Carriage motor not mounted in
place
Set the carriage motor into place.
12 CR encoder strip defective Replace the CR encoder strip.
13 PF encoder disk defective Replace the PF encoder disk.
14 Maintenance unit defective Replace the maintenance unit.
15 ADF unit defective Replace the ADF unit.
16 Document scanner unit
defective
Replace the document scanner unit.
Step Cause Solution
1 Main PCB defective Replace the main PCB.

Brother MFC-J5730DW Specifications

General

Duplex printing	Yes
Print technology	Inkjet
Maximum resolution	1200 x 4800 DPI
Print speed (ISO/IEC 24734) mono	22 ipm
Print speed (ISO/IEC 24734) color	20 ipm
Time to first page (black, normal)	6 s
Duplex print speed (ISO/IEC 24734) mono	12 ipm
Duplex print speed (ISO/IEC 24734) color	11 ipm
Print speed (black, normal quality, A4/US Letter)	35 ppm
Print speed (color, normal quality, A4/US Letter)	27 ppm
Copier resize	25 - 400 %
Maximum copy resolution	600 x 600 DPI
Copy speed (black, normal quality, A4)	12 cpm
Copy speed (color, normal quality, A4)	9 cpm
Scan to	E-mail, E-mail Server, FTP, File, Image, OCR, USB
Scanner type	Flatbed & ADF scanner
Input color depth	48 bit
Maximum scan area	210 x 297 mm
Output color depth	24 bit
Scan speed (color)	14 ppm
Maximum scan resolution	19200 x 19200 DPI
Duplex scan speed (color)	10 ppm
Optical scanning resolution	1200 x 1200 DPI
Faxing	Mono faxing
Fax memory	200 pages
Modem speed	33.6 Kbit/s
Fax speed dialing (max numbers)	100
Display	LCD
Control type	Touch
Product color	Black
Display diagonal	3.66 \
Market positioning	Business
Internal memory	256 MB
Card reader integrated	No
Sound pressure level (printing)	50 dB
Standard interfaces	Ethernet, USB 2.0, Wireless LAN
USB 2.0 ports quantity	1
Package depth	469 mm
Package width	639 mm
Package height	511 mm
Package weight	24300 g
Power consumption (off)	0.04 W
Power consumption (sleep)	1.6 W
Power consumption (standby)	6.5 W
Power consumption (average operating)	30 W
Sustainability certificates	Blue Angel, ENERGY STAR
Email protocols	APOP, POP3
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, 802.1x RADIUS, APOP, EAP-FAST, EAP-MD5, EAP-TLS, EAP-TTLS, HTTPS, IPPS, PEAP, SMTP-AUTH, SNMP, SSL/TLS, WPA-PSK, WPA2-PSK
Ethernet LAN data rates	10, 100 Mbit/s
Mobile printing technologies	Apple AirPrint, Mopria Print Service
Paper input type	Paper tray
Total input capacity	250 sheets
Total output capacity	100 sheets
Maximum input capacity	500 sheets
Total number of input trays	2
Auto document feeder (ADF) input capacity	50 sheets
Digital sender	-
Maximum duty cycle	- pages per month
Paper tray media types	Plain paper, Thin paper
ISO A-series sizes (A0...A9)	A3, A4
Maximum ISO A-series paper size	A3
Bundled software	Brother Control Center 4 Nuance PaperPort 14
Harmonized System (HS) code	84433100

Weight and Dimensions

Depth	398 mm
Width	530 mm
Height	374 mm