Brother MFC-9125CN Service Manual

3-59
Confidential
■ Paper jam in the back cover and paper eject section
3.4 Dirt on Paper
<User Check>
- Check if the paper is loaded into the paper tray correctly.
- Turn over the stack of paper in the paper tray, or try rotating the paper 180 ° in the paper tray.
- Replace the waste toner box with a new one.
Step Cause Check
Result
Remedy
1 Foreign object
around fuser unit
Is there a foreign object
around the fuser unit?
Yes Remove the foreign
object.
2 Paper eject rear
actuator top failure
Does the paper rear
eject actuator top
move
smoothly? Is it damaged?
No Replace the paper eject
rear actuator top.
3 Paper eject front
actuator failure
Does the paper eject front
actuator move smoothly?
Is it damaged?
No Replace the paper eject
front actuator.
4 Paper eject rear
actuator failure
Does the paper eject rear
actuator move smoothly?
Is it damaged?
No Replace the fuser unit.
5 Eject front sensor
PCB failure
Is the problem solved by
replacing the eject front
sensor PCB ASSY?
Yes Replace the eject front
sensor PCB ASSY.
6 Eject rear sensor
PCB failure
Is the problem solved by
replacing the eject rear
sensor PCB ASSY?
Yes Replace the eject rear
sensor PCB ASSY.
Step Cause Check
Result
Remedy
1 Fuser unit dirty Is there dirt around the
entrance of the fuser
unit?
Yes Clean the entrance of
the fuser unit.
Is the pressure roller
dirty?
Yes Clean the pressure
roller.
2 Dirt in the paper
feed system
Is the paper tray or feed
system on the drum unit
dirty with toner?
Yes Wipe dirt off.
3 Belt unit dirty Does dirt on the paper
disappear after
replacing the belt unit
with a new one?
Yes Replace the belt unit.
4 Waste toner
sensor failure
Is the waste toner box
full of toner?
No Replace the waste toner
sensor.
5 Main PCB failure Is the problem solved
after replacing the main
PCB ASSY?
Yes Replace the main PCB
ASSY.

Brother MFC-9125CN Specifications

General

DVD/CD printing	No
Print technology	LED
Maximum resolution	2400 x 600 DPI
Economical printing	Yes
Print speed (black, normal quality, A4/US Letter)	19 ppm
Fax compatibility	ITU-T G3
Dimensions (WxDxH)	429.3 x 490.2 x 398.8 mm
All-in-one functions	Copy, Fax, Print, Scan
Connectivity technology	Wired
Color all-in-one functions	copy, fax, print, scan
Printing colors	Black, Cyan, Magenta, Yellow
Maximum duty cycle	25000 pages per month
Number of print cartridges	4
Page description languages	BR-Script 3, PCL 6
Copier resize	25 - 400 %
Maximum copy resolution	- DPI
Maximum number of copies	35 copies
N-in-1 copy function (N=)	2, 4
Copy speed (black, normal quality, A4)	19 cpm
Scan to	CIFS, E-mail, File, FTP, Image, OCR
Scanner type	Flatbed scanner
Input color depth	48 bit
Maximum scan area	A4 / Letter (216 x 297) mm
Image formats supported	BMP, JPG, TIF
Maximum scan resolution	19200 x 19200 DPI
Optical scanning resolution	1200 x 2400 DPI
Fax memory	600 pages
Modem speed	33.6 Kbit/s
Fax coding methods	JBIG, JPEG, MH, MMR (Fax coding method), MR
Fax transmission speed	2 sec/page
Paper input type	Paper tray
Total input capacity	250 sheets
Total output capacity	100 sheets
Total number of input trays	2
Multi-Purpose tray input capacity	1 sheets
Maximum print size	216 x 356 mm
Paper tray media types	Bond paper, Envelopes, Labels, Plain paper, Recycled paper
Non-ISO print media sizes	Executive
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
Display	LCD
Market positioning	Business
Direct printing	-
Standard interfaces	Ethernet, USB 2.0
USB 2.0 ports quantity	1
Supported network protocols (IPv4)	ARP, RARP, BOOTP, DHCP, APIPA(Auto IP), WINS/NetBIOS name resolution, DNS Resolver, mDNS, LLMNR responder, LPR/LPD, Custom Raw Port/Port9100, IPP/IPPS, FTP Client and ServerTELNET Server, HTTP/HTTPS server, TFTP client and server, SMTP Client, APOP, POP before SMTP, SMTP-AUTH, SNMPv1/v2c/v3, ICMP, LLTD responder, WebServicesPrint, CIFS Client, SNTP, SSL/TLS
Supported network protocols (IPv6)	NDP, RA, DNS resolver, mDNS, LLMNR responder, LPR/LPD, Custom Raw Port/Port9100, IPP/IPPS, FTP Client and Server, TELNET Server, HTTP/HTTPS server, TFTP client and server, SMTP Client, APOP, POP before SMTP, SMTP-AUTH, SNMPv1/v2c/v3, ICMPv6, LLTD responder, WebServicesPrint, CIFS Client, SNTP, SSL/TLS
Maximum internal memory	576 MB
Sound power level (standby)	30 dB
Sound pressure level (copying)	53 dB
AC input voltage	120 V
AC input frequency	50 - 60 Hz
Power consumption (off)	11 W
Power consumption (PowerSave)	75 W
Power consumption (average operating)	480 W
Package weight	28490 g
Operating relative humidity (H-H)	20 - 80 %