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

3-81
Confidential
12. SCANNING IMAGE DEFECT
TROUBLESHOOTING
12.1 Image Defect Examples
Fig. 3-11
12.2 Troubleshooting Image Defect
Image defect related problems are end user recoverable if following the User Check items. If
the same problem occurs, follow each procedure in the order of the number described in the
Step column in the tables below.
■ Light on the page
<User Check>
- Check whether the setting of the contrast does not become light.
- Clean the document glass.
Step Cause Check
Result Remedy
1
White level data
malfunction
Is the problem solved by
performing the
acquisition of white level
data. (Function code 55)
Yes
Perform the acquisition of
white level data. (Function
code 55)
2
Scanner module
failure
Is the problem solved by
replacing the CCD unit
(CCD model) or
document scanner unit.
(CIS model)
Yes
Replace the CCD module.
(CCD model)
Replace the document
scanner unit. (CIS model)
3
Main PCB failure Is the problem solved by
replacing the main PCB.
Yes
Replace the main PCB.
Light
White vertical
streaks
Vertical streaks
Completely blank
Faulty registration
Dark

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