Fusing Heaters Do Not Operate; Power Is Not Supplied To Option - Epson AcuLaser C9200N Service Manual

EPSON AcuLaser C9200N

3.4.3 Fusing Heaters do not operate

Primary Interlock Switch (S2)
Fusing Unit
Step Check Item
Is the power source voltage applied
across CN2PU1-1 to 2 on PU1?
1
During this time, the Right Door
should be closed.
Is the power source voltage applied
2 across CN30-1 and 3, or across 2
and 3?
Troubleshooting
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Relevant Electrical Parts
DC Power Supply (PU1)
Location
(electrical Result
parts)
Check wiring from
S to T-2 NO power outlet to S1 to
CN1PU1.
YES Fusing Unit
U-6
NO Change PU1.
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3.4.4 Power is not supplied to option

Optional Paper Cabinet Unit
Step
Is DC24 V being applied to hookup
1
Action
connector CN44-2?
Is DC24 V being output from
2
CNCST-2 on PWB-M?
Is DC24 V being output from
3
CN5PU1-2 on PU1?
(p.193)
Duplex Unit
Step
Is DC24 V being output from
1
CN19-2 on Duplex?
Is DC24 V being output from
2
CNCOP-2 on PWB-M?
Is DC24 V being output from
3
CNCOP-3 on PWB-M?
Power supply trouble
Location
Check Item (electrical
parts)
O-21
I-21
---
Location
Check Item (electrical
parts)
O-19
I-19
---
Revision D
Result Action
Malfunction in Feeder
NO
Unit
Check wiring from
NO PWB-M to CN44 to
Feeder Unit.
YES Change PU1. (p.193)
Malfunction in Feeder
NO
Unit
Result Action
Malfunction in Duplex
NO
Unit
Check wiring from
NO PWB-M to CN19 to
Duplex Unit.
YES Change PU1. (p.193)
Malfunction in Duplex
NO
Unit
135
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