2NM/2NX/2NY/2NZ/2P0/2P6-1
1-4-84
(8) Uneven density longitudinally.
Print example
Cause of trouble
1. Dirty LSU inside
2. The transfer roller is not pressed against the drum properly.
3. Drum condensation.
Defective part
Check description
Corrective Action
1
Transfer roller unit
Check that the transfer roller unit
is properly fit.
1. If it is not fixed properly, fix it properly.
2. If the rear cover has not been cloed, check
how the conveying guide is locked and
open the conveying guide once, then
close.
3. Replace the transfer roller unit.
(see page 1-5-38)
2
Drum unit
1. Check toner is evenly
layered on its surface.
2. Check whether the device
has been operated under a
highly humid environment.
1. Execute drum refreshing.
2. Install a cassette heater.
3. Replace the drum unit. (see page 1-5-36)
3
Developer unit
Check that toner is evenly lay-
ered on the developer roller.
Replace the developer unit.. (see page 1-5-30)
4
LSU
The emission of laser dispersed
from the LSU is not even. (Mirror
is dropped off inside.)
Replace the LSU. (see page 1-5-25)
Summary of Contents for P-4030 MFP
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Page 19: ...2NM 2NX 2NY 2NZ 2P0 2P6 5 Installation Guide PF 320 Paper Feeder ...
Page 55: ...2NM 2NX 2NY 2NZ 2P0 2P6 1 2 24 This page is intentionally left blank ...
Page 386: ...2NM 2NX 2NY 2NZ 2P0 2P6 1 5 100 This page is intentionally left blank ...
Page 486: ...Installation Guide PF 320 Paper Feeder Installation Guide ...
Page 487: ...PF 320 㾌㙼 㾌㙼 PF 320 PF 320 PF 320 㪧㪝㪄㪊㪉㪇 㪧㪝㪄㪊㪉㪇䈱 㪧㪝㪄㪊㪉㪇G 㾌 㾌 PF 320 PF 320 ...