2PX/2PY
1-4-28
(1) No image appears (entirely white).
(2) No image appears (entirely black).
Print example
Causes
Check procedures/corrective measures
Defective
transfer
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.
High voltage PWB and engine PWB (YC11)
Defective high voltage
PWB.
Replace the high voltage PWB
(see page 1-5-35).
Defective engine PWB.
Replace the engine PWB (see page 1-5-27).
Defective
developing
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.
High voltage PWB and engine PWB (YC11)
Defective high voltage
PWB.
Replace the high voltage PWB
(see page 1-5-35).
Defective engine PWB.
Replace the engine PWB (see page 1-5-27).
No LSU
laser is out-
put.
Defective laser scanner
unit.
Replace the laser scanner unit KM/CY
(see page 1-5-45).
Defective engine PWB.
Replace the engine PWB (see page 1-5-27).
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 and engine PWB (YC11)
Defective charger roller unit. Replace the drum unit (see page 1-5-21).
Defective high voltage
PWB.
Replace the high voltage PWB
(see page 1-5-35).
Defective engine PWB.
Replace the engine PWB (see page 1-5-27).
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.
Exposure lamp and inverter PWB (CN2)
Inverter PWB (CN1) and CCD PWB (YC3)
CCD PWB (YC1) and main PWB (YC8)
Defective inverter PWB or
CCD PWB.
Replace the scanner unit (see page 1-5-48).
Defective main PWB.
Replace the main PWB (see page 1-5-30).
The laser is
activated
simultane-
ously for all
colors.
Defective laser scanner
unit.
Replace the laser scanner unit KM/CY
(see page 1-5-45).
Summary of Contents for 6026
Page 4: ...This page is intentionally left blank ...
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Page 134: ...2PX 2PY 1 3 96 This page is intentionally left blank ...
Page 237: ...2PX 2PY 1 5 51 9 Remove the scanner unit Figure 1 5 78 Scanner unit ...
Page 275: ...2PX 2PY 1 5 89 4 Remove the paper conveying unit Figure 1 5 145 Paper conveying unit 1 2 2 ...
Page 280: ...2PX 2PY 1 5 94 This page is intentionally left blank ...
Page 323: ...2PX 2PY 2 2 10 This page is intentionally left blank ...
Page 371: ...1 1 INSTALLATION GUIDE INSTALLATION GUIDE FOR Card Authentication Kit D ...
Page 372: ...1 2 3 4 5 a a c CARD READER CARD READER HOLDER D b ...
Page 373: ...10 b c 6 8 9 7 ...
Page 375: ......