Kyocera TASKalfa 3550ci - (2) No image appears (entirely black).

2LK/2LN/2LM/2LC-2
1-4-94
(2) No image appears (entirely black).
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.
High voltage PWB 1 (YC1, 2) and engine
PWB (YC16)
High voltage PWB 1 (YC3, 4) and engine
PWB (YC17)
Defective charger roller unit. Replace the charger roller unit
(see page 1-5-38).
Defective high voltage PWB
1.
Replace the high voltage PWB 1
(see page 1-5-59).
Defective engine PWB. Replace the engine PWB (see page 1-5-54).
Exposure
lamp fails to
light.
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.
LED lamp PWB and ISC PWB (CN6)
ISC PWB (YC3) and main PWB (YC11)
Defective exposure lamp. Replace the LED lamp PWB (see page 1-5-
19).
Defective ISC PWB. Replace the ISC PWB.
Defective main PWB. Replace the main PWB (see page 1-5-49).
The laser is
activated
simultane-
ously for all
colors.
Defective laser scanner
unit.
Replace the laser scanner unit
(see page 1-5-25).