Question about Sharp AR-M350N Copier
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Posted on Jan 02, 2017
H4 error pertains to lamp errors.
that would either be the copy lamp or the heater lamp.
check both lamps.
with heater lamps,it's usually caused by either a broken heater lamp or a dirty thermostat on the heater roller assembly.
Posted on Jun 10, 2009
Try reset the error code by pressing [#] [INTERUPT] [C] [INTERUPT]  [START]. If error still exists check the thermostat and heater lamp of the fusing unit.
Posted on Jun 05, 2009
SOURCE: Error code H4-01
That error code indicates that the fuser unit isn't heating up. Try turning the power off, wait 30 seconds, turn the power on. If the error reappers the fuser unit should be checked by a technician to correct the problem.
Posted on Jul 26, 2008
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