You have a thermistor open. That means that the device that reads the temperature in the fusing unit, has broken. You will need to replace the fusing unit to fix this problem. You could try a Sim 14 reset. Push P * C * then 14 then Start (the button you use to make copies) and it should reset the code. If not then replace the fuser.
You need to replace your fuser unit. this will solve the problem.
thanks
F2-04- Improper cartridge (destination error, life cycle error)
Identification error
model error
type error
destination error
data abnormality
Misc error
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if i power-on the Copier, it will be displaying H4 on the screen and other buttons will not work. it will be showing H4 only without booting. please what can i press to make the copier work again.
H 2 flashing
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