Brother MFC-8480DN Service Manual

3-43
Confidential
■ Paper jam in the back cover and paper eject section
■ Paper jam in the tray 2
■ Paper jam in the Duplex unit section
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
actuator failure
Does the paper eject
actuator move smoothly?
Is it damaged?
No
Replace the paper eject
actuator.
3
Fuser cover ASSY
loose
Is the fuser cover ASSY
fitted correctly?
No
Fit the fuser cover ASSY
correctly.
4
Outer chute ASSY
loose
Is the outer chute ASSY
fitted correctly?
No
Fit the outer chute ASSY
fitted correctly.
5
Eject roller 1
malfunction
Is the eject roller 1 of the
rear chute ASSY attached
to the pinch roller
properly?
No
Replace the rear chute
ASSY.
6
Paper eject
sensor failure
Is the problem solved
after replacing the relay
rear PCB?
Yes
Replace the relay rear
PCB ASSY.
7
Main PCB failure Is the problem solved
after replacing the Main
PCB ASSY?
Yes
Replace the Main PCB
ASSY.
Step Cause Check
Result Remedy
1
LT edge actuator
catching on some
position
Does the LT edge
actuator move smoothly? No
Re-assemble the LT edge
actuator.
2
LT sensor PCB
ASSY failure
Is the problem solved
after replacing the LT
sensor PCB ASSY?
Yes
Replace the LT sensor
PCB ASSY.
3
LT solenoid failure Is the problem solved
after replacing the LT
solenoid?
Yes
Replace the LT solenoid.
Step Cause Check
Result Remedy
1
Duplex unit failure Is the problem solved
after replacing the Duplex
unit?
Yes
Replace the Duplex unit.

Brother MFC-8480DN Specifications

General

Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Economical printing	Yes
Print speed (black, normal quality, A4/US Letter)	32 ppm
Grayscale levels	256
Input color depth	48 bit
Image formats supported	BMP, JPG, TIF
Maximum scan resolution	19200 x 19200 DPI
Optical scanning resolution	600 x 2400 DPI
Copier resize	25 - 400 %
Maximum number of copies	99 copies
Copy speed (black, normal quality, A4)	32 cpm
Faxing	Mono faxing
Fax memory	600 pages
Modem speed	33.6 Kbit/s
Power supply type	AC
Weight (imperial)	40.3 lbs
Dimensions (WxDxH)	530.8 x 449.5 x 474.9 mm
Power requirements	110 - 240V, 50/60 Hz
All-in-one functions	Copy, Fax, Scan
Standard media sizes	2.75'' - 8.5\
Maximum internal memory	0.576 GB
Color all-in-one functions	scan, n
Compatible operating systems	Windows OS Mac OS
Package dimensions (W x D x H)	24.7 x 22.3 x 22.6 \
Total input capacity	250 sheets
Total output capacity	150 sheets
Auto document feeder (ADF) input capacity	50 sheets
Display	LCD
Market positioning	Business
Internal memory	64 MB
Sound pressure level (copying)	56 dB
Sound pressure level (printing)	30 dB
Maximum print size	216 x 356 mm
Paper tray media types	Bond paper, Envelopes, Plain paper, Recycled paper, Transparencies
Non-ISO print media sizes	Executive
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5, B6
Maximum ISO A-series paper size	A4
Supported network protocols (IPv4)	ARP, RARP, BOOTP, DHCP, APIPA, LLMNR, LPR/LPD, IPP/IPPS, FTP, HTTP/HTTPS, SSL/TLS, TFTP, SMTP, APOP, POP, SMTP, SMTP-AUTH, SNMPv1/v2c/v3, ICMP, LLTD, CIFS, SNTP, NDP, RA, DNS, mDNS, ICMPv6
Standard interfaces	USB 2.0
USB 2.0 ports quantity	1
Power consumption (standby)	18 W
Power consumption (average operating)	680 W
Package weight	21645 g
Sustainability certificates	ENERGY STAR
Maximum duty cycle	30000 pages per month
Recommended duty cycle	3500 pages per month
Operating temperature (T-T)	10 - 32.2 °C
Operating relative humidity (H-H)	20 - 80 %