Brother MFC-8480DN Service Manual

3-80
Confidential
■ Paper jam at the duplex scanning
11.4 Wrinkles
<User Check>
- Use the A4 or Letter size.
- Use the document without warpage.
- Use the document which is not so too thin. (thickness of paper)
Step Cause Check
Result Remedy
1
Foreign object
inside ADF
Is there a foreign object
inside ADF?
Yes
Remove the foreign
object.
2
Switch back
sensor actuator
catching on some
position
Does the switch back
sensor actuator move
smoothly?
No
Re-assembly the switch
back sensor actuator.
3
Each flap catching
on some position
Does the each flap move
smoothly?
No
Re-assembly the flap.
4
Switch back
sensor
malfunction
Does the switch back
sensor move smoothly?
(Check it following the
procedure described in
“Maintenance mode 32”)
No
Replace the switch back
sensor.
5
Flap A (CCD
model) or switch
back flap A (CIS
model) failure
Does the flap A (CCD
model) or switch back
flap A (CIS model) move
smoothly? Is it damaged?
No
Replace the flap A. (CCD
model)
Replace the switch back
flap A. (CIS model)
6
Switch back
solenoid ASSY
failure
Does the switch back
solenoid ASSY move
smoothly?
No
Replace the switch back
solenoid ASSY.
7
Switch back roller
failure
Does the switch back
roller move smoothly? Is
it damaged?
No
Replace the switch back
roller.
<User Check>
- Check if the document is loaded into the ADF correctly.
- Check whether the document guide matches the document size.
- Check whether the document does not curl.
Step Cause Check
Result Remedy
1
Feed roller
positioning section
failure
Is each feed roller
attached correctly section?
(Check the feed roller
position in Page 5-73
(CCD model), Page 5-129
(CIS model))
No
Re-assembly each feed
roller to the correctly
section.

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 %