EasyManuals Logo

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

Brother MFC-8480DN - B/W Laser - All-in-One
652 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #150 background imageLoading...
Page #150 background image
3-59
Confidential
â–  Black spots
â–  Black band
<User Check>
- Damp (wet) paper might be used. Try to change to freshly unpacked
paper.
- Toner may be empty. Replace the toner cartridge with a new one.
- If the problem is not solved after printing a few pages, the drum unit
may have glue from label stock on the exposure drum surface.
Refer to the previous page, and wipe it off gently with a cotton swab.
- The drum unit may be damaged. Replace the drum unit with a new
one.
Step Cause Check
Result
Remedy
1
Toner attached
on the develop
roller
Are the black spots at
42.5 mm (develop roller
circumference)
intervals?
Yes
This problem will
disappear by printing
approximate 10 pages. If
the same problem occurs,
replace the toner cartridge.
2
Dirt on the
exposure drum
Are the
black spots
at
94.2 mm (exposure
drum circumference)
intervals?
Yes
Clean the exposure drum
with the drum cleaning kit.
3
Drum unit
connection
failure
Are the electrodes on
the drum unit and
machine body dirty?
Yes
Clean both electrodes
(Refer to Fig. 3-2, Fig. 3-3.)
4
Scratch and Dirt
on the exposure
drum
Does not the black spots
disappear by cleaning
(procedure 2)?
No
Replace the drum unit.
5
Scratch and Dirt
on the heat roller
Are the black spots at
78.5 mm (heat roller
circumference)
intervals?
Yes
Replace the fuser unit.
6
HVPS PCB
failure
Is the problem solved
after replacing the
HVPS PCB ASSY?
Yes
Replace the HVPS PCB
ASSY.
7
Main PCB failure Is the problem solved
after replacing the main
PCB ASSY?
Yes
Replace the main PCB
ASSY.
<User Check>
- Clean the inside of the machine and the corona wire in the drum
unit. If the same problem occurs after cleaning, replace the drum
unit with a new one.
- The paper tray ground terminal provided in the machine body may
be dirty. Clean the contact with a dry cloth.

Table of Contents

Other manuals for Brother MFC-8480DN - B/W Laser - All-in-One

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Brother MFC-8480DN - B/W Laser - All-in-One and is the answer not in the manual?

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

General IconGeneral
Printer TypeB/W Laser
FunctionsPrint, Copy, Scan, Fax
Scan ResolutionUp to 19200 x 19200 dpi (interpolated)
Automatic Duplex PrintingYes
ConnectivityUSB 2.0, Ethernet
Paper Input Capacity250 sheets
Standard Paper Capacity250 sheets
ADF Capacity50 sheets
Print Speed32 ppm
Copy Resolution1200 x 600 dpi
Scan TypeFlatbed, ADF
Max Paper SizeLegal (8.5 in x 14 in)
Print Resolution1200 x 1200 dpi
Copy SpeedUp to 32 cpm
Dimensions531 mm x 451 mm x 475 mm

Related product manuals