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Brother MFC-8480DN Service Manual

Brother MFC-8480DN
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3-86
Confidential
Pickup function of paper tray does not work.
The new toner is not detected.
Printing from Macintosh applications fails.
USB direct printing does not work.
Step Cause Remedy
1 Link lever catching on some position Re-assemble the link lever.
2
Pickup roller holder ASSY catching
on some position
Re-assemble the pickup roller holder
ASSY catching on some position.
3 Roller holder ASSY failure Replace the roller holder ASSY.
4 Main motor failure Replace the main motor.
5 Pressure plate drive cam failure Replace the frame L.
6 Main PCB ASSY failure Replace the main PCB ASSY.
Step Cause Remedy
1
New toner actuator not operating
smoothly or catching.
Make sure correct movement of the new
toner actuator of the appropriate color.
2 Main PCB failure Replace the main PCB ASSY.
3
Toner sensor (TE/NEW) failure Replace the relay front PCB ASSY (TE/
NEW) of the appropriate color.
<User Check>
- Check that the printer driver which, is supplied with the product, is installed in Library/
Printers, and that the print queue is created.
- Check the connecting end on the printer browser. It must be matched with the
connecting end which is actually connected.
Step Possible cause Check
Result
Remedy
1
Failure inside the
machine
Does the machine print
test pattern?
(Check it following the
procedure described in
"4.5 Test Pattern 1
(Function code 09)" in
Chapter 7.)
No
Identify the error type, and
then refer to the specified
section of this chapter.
2
Breakage of
main PCB
Does the machine make
a print using a correct
PC and a USB cable?
No
Replace the main PCB
ASSY.
Step Cause Remedy
1 USB host PCB failure Replace the USB host PCB.
2 Main PCB failure Replace the main PCB ASSY.

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Brother MFC-8480DN Specifications

General IconGeneral
Print technologyLaser
Maximum resolution1200 x 1200 DPI
Economical printingYes
Print speed (black, normal quality, A4/US Letter)32 ppm
Grayscale levels256
Input color depth48 bit
Image formats supportedBMP, JPG, TIF
Maximum scan resolution19200 x 19200 DPI
Optical scanning resolution600 x 2400 DPI
Copier resize25 - 400 %
Maximum number of copies99 copies
Copy speed (black, normal quality, A4)32 cpm
FaxingMono faxing
Fax memory600 pages
Modem speed33.6 Kbit/s
Power supply typeAC
Weight (imperial)40.3 lbs
Dimensions (WxDxH)530.8 x 449.5 x 474.9 mm
Power requirements110 - 240V, 50/60 Hz
All-in-one functionsCopy, Fax, Scan
Standard media sizes2.75'' - 8.5\
Maximum internal memory0.576 GB
Color all-in-one functionsscan, n
Compatible operating systemsWindows OS Mac OS
Package dimensions (W x D x H)24.7 x 22.3 x 22.6 \
Total input capacity250 sheets
Total output capacity150 sheets
Auto document feeder (ADF) input capacity50 sheets
DisplayLCD
Market positioningBusiness
Internal memory64 MB
Sound pressure level (copying)56 dB
Sound pressure level (printing)30 dB
Maximum print size216 x 356 mm
Paper tray media typesBond paper, Envelopes, Plain paper, Recycled paper, Transparencies
Non-ISO print media sizesExecutive
ISO A-series sizes (A0...A9)A4, A5, A6
ISO B-series sizes (B0...B9)B5, B6
Maximum ISO A-series paper sizeA4
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 interfacesUSB 2.0
USB 2.0 ports quantity1
Power consumption (standby)18 W
Power consumption (average operating)680 W
Package weight21645 g
Sustainability certificatesENERGY STAR
Maximum duty cycle30000 pages per month
Recommended duty cycle3500 pages per month
Operating temperature (T-T)10 - 32.2 °C
Operating relative humidity (H-H)20 - 80 %

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