Toner indicator says that there is low toner in the machine. It is necessary to replace toner cartridge and then continue with other error messages.
SOURCE: HELP, H4 ERROR
The fuser isn't heating up on time. You could try turning the copier off for 30 seconds and turing it back on again to see if it goes away.
If it doesn't happen, there is a part that has to be fixed on the fuser to correct the problem. Usually it is the thermistor.
SOURCE: a new sharp ar 5316e photocopy machine photocopy blank
change the main charger because based on my experienced it has an arching problem
SOURCE: h4 error for sharp ar-5316e
Try reset the code by pressing [#] [Interupt] [C] [Interuptr] [14] [COPY/START]
If error still exist, check the thermofuse and the heater lamp
SOURCE: my sharp ar-5316e error code CH please help me
Hope you are fine, ch are in two forms steady one and the blinking ch.
Steady CH
This is associated with door switch for either front cover or side cover. Check that the front cover of the copier and the right side is well closed.
Blinking CH
This is associated with the toner cartridge or the developer unit not being sensed by the machine. Make sure that the developer unit is well locked in the machine. Pull out the toner cartridge and insert back with some force into the machine, it should clear this sign. If it does not, replace a new cartridge Sharp Ar016ft and you are done. Good luck.
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