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Power LED does not light.
Start
Is the power supply
cable connected
properly?
Yes
Is the Power supply
OK? I.E has it been
tested on another
device?
Yes
Return unit to PC-PoS.
Beyond Local Repair.
END
Part 1.
No
No
Connect supply to another known
working printer and test it.
PSU
Yes
OK?
Check Fuse in mains plug and check for damage to
cable or connector. Re-test the Power Supply on
another unit before proceeding. If you had to
change the fuse and start the main flow-chart again.
PSU
No
OK?
Connect power supply cable properly. To
make certain this is done, remove the
connector completely and re-insert.
No
OK?
No
Yes
Yes
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