Question about Sharp AL-1551CS Printer
H4 flashing on my Sharp Copier AL1551 CS
The H4 code indicates the system did not or is not warming up. It could be a thermostat or thermistor or a board problem or a heating lamp issue.
It requires service.
Check the fuser unit for any debris or excessive build up especially around the thermistors - if you can remove and open up the fuser unit !
Posted on Mar 21, 2009
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Posted on Jan 02, 2017
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