Image Is Too Light - Olivetti PG L2140 Service Manual

(3) Image is too light.

Print example
Dew condensation of the drum surface.
The paper is moist.
Defective
transfer
charger out-
put.
Defective
developer
bias output.
Insufficient toner.
Y 114940 - 1
Causes
Defective connector cable
or poor contact in the con-
nector.
Defective high voltage
PWB.
Defective engine PWB.
Defective connector cable
or poor contact in the con-
nector.
Defective high voltage
PWB.
Defective engine PWB.
1-4-26
Service Manual
Check procedures/corrective measures
Perform the drum surface refreshing in a sys-
tem menu.
The storage state of a paper is checked.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Transfer roller unit and high voltage PWB
High voltage PWB and engine PWB (YC19)
Replace the high voltage PWB
(see page 1-5-26).
Replace the engine PWB (see page 1-5-22).
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Developer unit and high voltage PWB
High voltage PWB and engine PWB (YC10)
Replace the high voltage PWB
(see page 1-5-26).
Replace the engine PWB (see page 1-5-22).
If the display shows the message requesting
toner replenishment, replace the container.