Question about HP LaserJet 9500n Printer
It is non replaceble part error in this error we hv to replace the engine control card / clean the fan it may b resolved ur problem.....................
Posted on Jul 20, 2010
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Posted on Jan 02, 2017
SOURCE: I get an HP error
57 Fan Error
Turn off then on
The device has experienced a problem with its internal fan.
Turn off the power by using the power switch, wait at least 30 seconds, and then turn on the power and wait for the device to initialize.The fan is not replaceable. Replace the engine.
Posted on Jul 11, 2011
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