2RV/2RW/2RX/2RY/3RA-3
7-21
(2-10) The entire image is light
Step
Check description
Assumed cause
Measures
Reference
1
Reinstalling the toner con-
tainer
Toner is collected on one
side.
Sufficiently shake the toner
container and reinstall it to
the main unit.
2
Executing Drum refresh
The drum surface has con-
densation.
Execute Drum refresh.
3
Replacing the toner con-
tainer
The toner supply opening
does not open.
Replace the toner container.
3
Replenishing toner in the
developer unit
Toner in the developer unit
is degraded due to many
low coverage prints.
Consume degraded toner in
the developer unit with test
prints and replenish the toner.
4
Reinstalling the drum unit
and developer unit
The drum unit or the devel-
oper unit is not properly
attached, so that the devel-
oper roller does not con-
tact the drum.
Reinstall the drum unit and
developer unit.
5
Correcting the developer
bias contact
The developer bias contact
is deformed.
Correct the developer bias
contact so that it surely
grounds.
6
Cleaning the DS pulley
The DS pulleys are dirty.
Clean the DS pulleys at both
ends of the developer unit.
7
Replacing the developer
unit
The DS pulleys are faulty.
Replace the developer unit.
8
Replacing the drum unit
The drum surface is worn
down.
Replace the drum unit.
9
Correcting the main char-
ger contact
The voltage impressed to
the main charger contact is
high.
Correct the main charger
contact for secure ground.
10
Checking the connection
The FFC is not properly
connected or faulty.
Reconnect the FFC. If the
FFC terminal is peel,
deformed or broken, replace
it.
• LSU (APC PWB) - Main/
engine PWB (YC505)
11
Checking the connection
The connector is not prop-
erly connected or the wire
is faulty.
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire.
• High voltage PWB - Main/
engine PWB (YC16)
12
Replacing the high voltage
PWB
The high voltage PWB is
faulty.
Replace the high voltage
PWB.
13
Replacing the LSU
The LSU is dirty or faulty.
Replace the LSU.
14
Replacing the main/engine
PWB
The main/engine PWB is
faulty.
Replace the main/engine
PWB.
Содержание PF-1100
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