Question about HP LaserJet 4L Printer

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No power - all status lights are off

All status lights are off even after holding down the front panel button for 10 seconds with power cord plugged into a working wall receptacle. Printer appears to be dead. It had no prior troubles since new!
Could it be a power supply problem? Is there a power supply fuse that should be checked? Other power supply diagnostics/fixes?
Prior to this trouble the printer was "unplugged" for one week. Before that it was "on standby" uninterrupted for a long time.
Thanks!
George Marton

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Make sure all the doors and covers are closed. If nothing happens and the FAN does not run then there are 2 fuses FU101 and FU202 on the DC controller board. Also check that rthe scanner assembly is correctly seated on the DCA Controller board.

Posted on Sep 30, 2009

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