Brother MFC-8480DN Service Manual

3-31
Confidential
■ Error code AD
DMA transfer error
■ Error code AE
Document Scanner home position sensor is not turned on.
Scan Unable AD
Remove the original document. Turn the power off, then on again.
Step Cause Remedy
1
Scanner module failure Replace the CCD module. (CCD model)
Replace the document scanner unit.
(CIS model)
2 Main PCB failure Replace the main PCB ASSY.
Scan Unable AE
See Troubleshooting and routine maintenance chapter in User's
Guide.
<User Check>
• Check that the scanner lock lever is unlocked.
- CCD model
Step Cause Remedy
1
Home position sensor harness not
connected correctly
Reconnect the home position sensor
harness.
2 Drive PCB failure Replace the drive PCB.
3 Belt broken Replace the belt.
4 Home position sensor failure Replace the home position sensor.
5 Scanner motor failure Replace the scanner motor.
6 Tab of CCD module broken Replace the CCD module.
7 Main PCB failure Replace the main PCB ASSY.
- CIS model
Step Cause Remedy
1 FFC cable not connected correctly Reconnect the FFC cable.
2 Drive PCB failure Replace the drive PCB.
3 Document scanner unit failure Replace the document scanner unit.
4 Main PCB failure Replace the main PCB ASSY.

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 %