Brother MFC-8480DN - B/W Laser - All-in-One User Manual

3-73
Confidential
10. TROUBLESHOOTING OF FAX FUNCTIONS
■ Can not send FAX.
<User Check>
- Verify that the telephone cord is securely inserted into the right socket.
Step Possible cause Check
Result Remedy
1
Dialing mode
Setting
Does a dialing signal
(PB or DP) come out
normally in each mode?
(Use telephone line
emulator.)
Yes
Check the dialing mode
setting at customer's
again.
Check the telephone line
cord between machine and
socket.
2
Connection
between main
PCB and NCU
PCB
Are the main PCB and
NCU PCB connected
properly?
No
Reconnect the connector
properly.
3
Connection
between main
PCB and control
panel PCB
Are the main PCB and
control panel PCB
connected properly?
No
Reconnect the connector
properly.
4
Contact of rubber
key
Does the rubber key
work correctly?
No
Replace the rubber Key.
5
NCU PCB Is the problem solved
after replacing the NCU
PCB ASSY?
Yes
Replace the NCU PCB
ASSY.
6
Control panel
PCB
Is the problem solved
after replacing the
control panel PCB?
Yes
Replace the control panel
PCB.
7
Main PCB Is the problem solved
after replacing the main
PCB ASSY?
Yes
Replace the main PCB
ASSY.

Brother MFC-8480DN - B/W Laser - All-in-One Specifications

General

Printer Type	B/W Laser
Functions	Print, Copy, Scan, Fax
Scan Resolution	Up to 19200 x 19200 dpi (interpolated)
Automatic Duplex Printing	Yes
Connectivity	USB 2.0, Ethernet
Paper Input Capacity	250 sheets
Standard Paper Capacity	250 sheets
ADF Capacity	50 sheets
Print Speed	32 ppm
Copy Resolution	1200 x 600 dpi
Scan Type	Flatbed, ADF
Max Paper Size	Legal (8.5 in x 14 in)
Print Resolution	1200 x 1200 dpi
Copy Speed	Up to 32 cpm
Dimensions	531 mm x 451 mm x 475 mm