HP 2500c Service Manual - Page 204
Possible Hardware Causes, Parts Needed for Repair, Symptoms on Login PCA
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No Power If the printer does not power up, do the following checks: 1. Make sure the power cord is connected firmly to the printer and to a working outlet. 2. Ensure that the printer is turned on. Possible Hardware Causes If the printer is still not functioning, there may be several hardware causes: § Bad logic PCA § Bad power supply § Back door sensor failure § Wiring or connectors faulty or loose Parts Needed for Repair § Power supply § PCA § Mechanism Symptoms on Login PCA There are some symptoms if the fault lies with the logic PCA: § There is no power but the LCD displays squares. § When customer has installed memory, personality module or MIO into the printer just before the failure. 8-4 Troubleshooting
Troubleshooting
8-4
No Power
If the printer does not power up, do the following checks:
1.
Make sure the power cord is connected firmly to the printer and to a working outlet.
2.
Ensure that the printer is turned on.
Possible Hardware Causes
If the printer is still not functioning, there may be several hardware causes:
§
Bad logic PCA
§
Bad power supply
§
Back door sensor failure
§
Wiring or connectors faulty or loose
Parts Needed for Repair
§
Power supply
§
PCA
§
Mechanism
Symptoms on Login PCA
There are some symptoms if the fault lies with the logic PCA:
§
There is no power but the LCD displays squares.
§
When customer has installed memory, personality module or MIO into the
printer just before the failure.