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Question about Sharp AR-157E Copier

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Error H4 the machine stays with the H 4 changing and does not do anything else

Posted by John Ramos on

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1 Answer

Anonymous

The Machine is either too hot or to cold. It maybe a thermostat or it could be the fuser. Ether problem will require a technician to examine the copier.

Posted on Aug 21, 2007

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Related Questions:

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Error code H/4

enter service code # interurpt c interupt , machine goes off then enter 14 then press print button. this will cancel error code H4.
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Sharp copier error H4

fixing assembly related. check:-
1. Thermistor.
2. fuser lamp.
3. If fixing assembly is receiving PD from power supply if not change power supply.
4. reset the machine using SIM 14 (pressing in quick sucession 'clear' 'Auto' 'clear' then 14 and copy button.
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Our copier is an AR-208D & it has a error code of H4-00 displayed. Can we fix it?

In most cases the flashing H4 or H then 4 code on these machines is caused by voltage fluctuations or surges. Normally there is nothing wrong with the machine and the code is easily reset. Here is the procedure:
Press the following key's in sequence and as quickly as possible (with 4 seconds for the first 4 keys)
Press "#" then the " * " (star) key then the "Clear" key then the " * " key again.
So in other words #, star, C, Star
If done correctly the display should go blank.
Then key in 14 as if you were going to make 14 copies.
Now press the "print" button
The machine should automatically shut down and restart with the H4 code being gone.
If the H4 code comes back after reset then in this case you have a fusing unit problem and will need to have the unit serviced.
Good Luck and Thank You for using Fixya.
WheatlandServices
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Call for service: h4-00

H4-00 means thst the copier isn't warming up quickly enough. Try this code to reset it. Press the following buttons in this order: #, interupt, C, interupt, 1, 4 . machine will say sim 14 trouble clear are you sure. Press the OK button. This should reboot the copier. Most likely the machine is in need of a heater lamp in the fuser unit.
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Error code H4-00 and machine is "locked-up" in scan mode

H4 is a fuser error. It needs to be replaced by a tech. Sometimes they can reset this error in service program.
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H4 problems

Try to reset the error code by pressing : C exp1 C exp1 14 start. if the problem still occur then you should change the heater lamp
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Eror Code (H4-00) on a Sharp AR-162

H4-00 indicates a heating/temperature problem in the fuser. The fuser never reached its desired temp to come to ready. Could be a bad thermostat or thermistor. Check fuser for any debris or excessive gunk build-up and clean what you can. The error can be cleared with SIM 14 in service mode.
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Code: H4-00, H4-0Q

H4-0 The fusing unit doesn't heat up.

You have to reset fuser errors with simulation 14.
SM 5-1 should turn the lamp on. If lamp blinks on and off it is the thermistor, if it does not it is the lamp, but check the contacts on the lamp/fuser -- they have been known to erode.
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Sharp ar-5316

I am getting a problem code H4 for sharp copier when i start the machine. what is the problem. is ther any solution for the problem of the said model.
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