(From: Larry Sabo (email@example.com).)
|Printer and Photocopier Troubleshooting and Repair Collection : HP LaserJet II just dies and no sign of ..
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"I have an HP LaserJet II that will just die after a short time. There are no
power lights, not even an error message. If I leave it for a short time it
will come back on after a power cycle. It is totally random."
Check the daughter board in the PSU at fault. On mine it had deteriorated
solder connections on BOTH ends of the connecting pins. Remove it, resolder
the pins on the daughter board, then remount it. It's worked like a charm ever