Hi, welcome to Just answer
How old is it ?
10 year old
Is it flashing H4-00
or just 4 H
This error means that the temperature inside the printer is too low. The problem is caused due to a bad fuser lamp and/or a bad temp. sensor
if you want you can try to clean the fuser unit completely
how do ido that
you can unplug the unit and check the fusing unit
it seems the power cut has caused this fuser lamp to go bad
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