1-33
Confidential
■
Black spots
■
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
, 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 horizontal
stripes at 40.6 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
Scratch and Dirt
on the exposure
drum
Are the horizontal stripes
at 75.0 mm (exposure
drum circumference)
intervals?
Yes
Replace the drum unit.
3
Drum unit
connection
failure
Are the electrodes on
the drum unit and
machine body dirty?
Yes
Clean both electrodes
(Refer to
)
4
Scratch and Dirt
on the heat roller
Are the horizontal
stripes at 78.5 mm (heat
roller circumference)
intervals?
Yes
Replace the fuser unit.
5
HVPS PCB
failure
Is the problem solved
after replacing the
HVPS PCB ASSY?
Yes
Replace the HVPS PCB
ASSY.
6
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.
Содержание HL-2150N
Страница 56: ...2 2 Confidential 2 PERIODICAL PEPLACEMENT PARTS There are no parts to be replaced periodically ...
Страница 97: ...3 41 Confidential 8 19 FILTER ASSY 1 Remove the Filter ASSY from the Main body Fig 3 35 Filter ASSY ...
Страница 127: ...3 71 Confidential 8 30 RUBBER FOOT 1 Remove the two Rubber feet from the Main body Fig 3 66 Rubber foot ...
Страница 142: ...4 10 Confidential Serial label Drive sub ASSY Drive sub ASSY Serial label Serial label Laser unit 2 to 10mm ...
Страница 167: ...6 5 Confidential High voltage Power Supply PCB Circuit Diagram ...
Страница 168: ...6 6 Confidential Low voltage Power Supply PCB Circuit Diagram 100V ...
Страница 169: ...6 7 Confidential Low voltage Power Supply PCB Circuit Diagram 200V ...
Страница 170: ...6 8 Confidential Wiring Diagram ...