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

3-71
Confidential
9. TROUBLESHOOTING OF THE CONTROL
PANEL
■ Nothing is displayed on the LCD.
<User Check>
- Verify if the power switch is turned off.
Step Possible cause Check
Result Remedy
1
Connection
between main
PCB and control
panel PCB
Are the main PCB and
control panel PCB
connected properly?
No
Reconnect the connector
properly.
2
Connection
between main
PCB and LVPS
PCB unit
Are the main PCB and
LVPS PCB unit
connected properly?
No
Reconnect the connector
properly.
3
LCD Is the problem solved
after replacing the LCD?
Yes
Replace the LCD.
4
Control panel
PCB
Is the problem solved
after replacing the
control panel PCB?
Yes
Replace the control panel
PCB.
5
LVPS PCB unit Is the problem solved
after replacing the LVPS
PCB unit?
Yes
Replace the LVPS PCB
unit.
6
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