Brother FAX-2820 Service Manual page 220
Facsimile equipment
Hide thumbs
Also See for FAX-2820:
- User manual (161 pages) ,
- Quick setup manual (13 pages) ,
- User manual (150 pages)
Table of Contents
Advertisement
I-13
Image distortion
Possible cause
Step
Laser unit
1
installation
Scanner LD
2
emission
failure
Scanner motor
rotation
failure
Scanner
3
connection
failure
I-14
Faint print
t o
i n
p r
s t
t e
u t
t o
i n
P r
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
t o
t o
i n
i n
p r
p r
s t
s t
t e
t e
u t
u t
t o
t o
i n
i n
P r
P r
s t
t e
s t
t e
u t
u t
t o
t o
i n
i n
p r
p r
s t
s t
t e
t e
u t
u t
t o
t o
i n
i n
p r
p r
s t
s t
t e
t e
u t
u t
t o
t o
i n
i n
P r
P r
Print out test print out test print out test Print out test print o
Print out test print out test print out test Print out test print o
Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
Print out test print o
t o
i n
p r
s t
t e
u t
t o
i n
P r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
p r
s t
t e
u t
t o
i n
P r
Print out test print out test print out test Print out test print o
Possible cause
Step
Printer
1
installation
Toner
2
cartridge
Scanner
3
window dirty
Laser unit
4
failure
Check
Is the laser unit secured to
the frame incorrectly?
(Check if there is any
play.)
Is the laser diode or the
scanner motor defective?
Is the scanner harness
connected properly?
(Check if it is coming
loose.)
Check
Is the printer placed
horizontally?
Does the problem happen
immediately after replacing
the toner cartridge with a
new one?
Is the scanner window
dirty?
Is the problem solved by
replacing the laser unit?
9 -3 9
Remedy
Result
No
Secure the unit correctly and
tighten the screws.
No
Replace the laser unit.
No
Connect the harness correctly.
Remedy
Result
No
Place the printer on a flat surface.
Yes
Remove and carefully shake the
toner cartridge horizontally.
Yes
Clean the scanner window with a
soft dry cloth.
Yes
Replace the laser unit.
Confidential
Advertisement
Table of Contents
Troubleshooting
