Question about Sharp AR-168D Copier

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How to know if you need a new fuser unit

We have a Sharp AR-168D Copier. It has an error symbol that stays on in a triangle and it flashes that we need service. I had a service guy come to our small business to see what was wrong with our unit. He did not know but said it could be the toner cartridge and I told I him I just put in a new one. So then he said well it could be that you need a new developer unit but he was not for sure. Then he said well you might need a new fuser unit. Basically he had not worked on Sharp products. So how do you tell. I do know that the fuser unit gets really hot after using it. We have processed approx 25,500 copied thru our machine. Can you direct me in the right direction. Also our copies are faint on the auto setting so we are constantly adjusting the manual setting but it just started doing that about 2 months ago.
I hope you can help us.
Ag Dryer Services, INc.

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Re: How to know if you need a new fuser unit

Your light is either a developer or a periodic maintenance indicator. Both are set to 25,000 copies. There is no indicator for the fuser which is rated at 50,000 copies (I find they fail any time after approx 35,000) The fuser will eventually not be able to keep itself clean causing dirty offset copies or jamming under the fuser picker fingers.There is no indicator for the drum . At 25,000 the drum and developer should be changed to maintain good copy quality. Whether your pm indicator lamp will shut down your machine is based on a service setting but since your past 25,000 it's probably set to not stop.

Posted on Feb 02, 2008

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1 Answer

What is error code [h4-00]

A H4-00 means you have a problem with the fuser unit

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Hello sir; This error code require a reset procedure ;
press "#", "*", "clear", "*",these four keys by order, then enter 14 press start. then turn power off and back on.

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My SHARP AR-168D is not recognizing a new toner cartridge.

Make sure what you've got is Sharp's AR168NT and not AR152NT. Sharp mades changes about a year ago to their toner and the chip on an AR152NT will not work with an AR-168D model.

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I have a sharp 1r-168d copier. I have replaced the fuser assembly and now have a H2-00 error. I am unable to enter the servicemans mode to clear the self diagnostics

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then enter Sim 14 then hit the start button and restart the machine.

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Sharp AR-168D H2-00 error code




Jun 11, 2009 | Sharp AR-168D Black and White Copier

1 Answer

H4-00 error on Sharp AR-168D

the code needs to be reset even if you replace the fuser.
Press clear, press *, press #, press * your display should go blank press 14 then press print,
I'm doing this from long term memory I may have the # and * symbols swapped

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open the right side the front door.unscrew the devoloping unit lock screw. pull the unit out. pull drum unit out fromthe copier.

Feb 16, 2009 | Sharp AR-168D Copier

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Error on Sharp AR-168D Copier

The manual says to turn off and unplug the machine and wait for 10 seconds. Then plug it back in and turn it on. If this doesn't get rid of the problem contact your sharp dealer/service man.

Jan 12, 2009 | Sharp AR-168D Copier

3 Answers

H4-00 Error Code for Sharp AR-168D

Your Tech is correct in replacing the Unit.
If the Fuser is not reaching the correct Temp it will give the H4-00 Code

The time and money it takes to repair the unit is greater than replacing.
Oredering all the parts for the unit takes longer then ordering the unit.

The only thing a tech can do is clean the Thermistor, reset with sim 14..
If that works, it might work for a hour, might work for days?

I personally carry this Fuser Unit in my car stock as this happens frequently..

Good luck

Oct 22, 2007 | Sharp AR-235 Copier

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