Question about Office Equipment & Supplies
H-4 means the fuser unit is not heating up.
An reset occassionally works i.e - disconnect unit from mains for 30 seconds or more then reconnect.
Failing this check the fusing lamp in the heat unit along with any thermal switches.
Hope this helps. Please remember to rate my answer. Many Thanks
Posted on Jul 15, 2009
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Posted on Jan 02, 2017
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