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