2LV/2L1/2L2/2MS/2MT
1-4-25
(1) No image appears (entirely white).
(2) No image appears (entirely black).
Print example Causes Check procedures/corrective measures
Defective
developer
bias output.
Defective connector cable
or poor contact in the con-
nector.
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 (YC19)
Defective high voltage
PWB.
Replace the high voltage PWB
(see page 1-5-26).
Defective engine PWB. Replace the engine PWB (see page 1-5-22).
No LSU
laser is out-
put.
Defective connector cable
or poor contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Laser scanner unit and engine PWB (YC16)
The shutter of a laser scan-
ner unit does not open.
The operating state of a link part with an top
cover is checked.
Defective laser scanner
unit.
Replace the laser scanner unit
(see page 1-5-18).
Defective engine PWB. Replace the engine PWB (see page 1-5-22).
Defective main PWB. Replace the main PWB (see page 1-5-22).
Print example Causes Check procedures/corrective measures
No main
charging.
Defective connector cable
or poor contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
Chager roller unit and high voltage PWB
High voltage PWB and engine PWB (YC19)
Defective poor connection
of the charger roller
Connection is checked by the electrical con-
nection inspection of the charger roller.
Defective charger roller unit. Replace the charger roller unit
(see page 1-5-15).
Defective high voltage
PWB.
Replace the high voltage PWB
(see page 1-5-26).
Defective engine PWB. Replace the engine PWB (see page 1-5-22).
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General
Weight and Dimensions
