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What does H4 mean on a Sharp SF71 electrostatic copier?

The lamp inside does not come on at all now. We have had this printer since the mid 70's. It is a dinosaur but we love it. The lamp does not come on and the copier gives this code-H4. Is this a lamp issue or is there a fuse link maybe?? Unfortunately we do not have a manual for this thing??
thanks :)
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  • cindie mercier Nov 20, 2008

    I found out for myself, H4 is the actual lamp inside.(amsoilgirl)

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What does code:H4-00 means on a Sharp AR-M450?

Posted on Nov 16, 2008

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My Printer is displaying an H4 error


The error code H4 means that you have a problem with the fixing unit. It could one of the item's > The thirmistor or thermal fuse or the fixing heater lamp

Oct 05, 2012 | Sharp Printers & Copiers

1 Answer

SHARP 5320H4 ERROR


H4 error means that your heater lamp is not functioning. Could be the thermistors (monitoring temperature) are just dirty and need cleaning or the thermostat has blown, heater lamp inside the fuser roller may have stopped working or their is a power supply issue to the fuser.

I suggest check the fuse, maybe it is open already and need for replacement.

Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice day.

Nov 09, 2011 | Sharp AR-5320 Black and White Copier

1 Answer

Sharp AR-235 shows error H4-00, would like to know how to fix without costing me.


Noy likely you can fix this without replacing the fuser lamp H4 means the fuser lamp is not getting to temp. It cold be a fuse on the fuser unit,too. Checking with an ohm meter is only way to know which,

Feb 07, 2011 | Sharp AR-235 Copier

1 Answer

What is an H4 code and what do I need to fix it


H4 mean fusing lamp problem so you have to
1) check the fusing lamp
2: check fusing lamp thermostat
and after all you must rest the code by press - # key -interrupt key - C key - interrupt key - 14 - ready

Dec 17, 2010 | Sharp AR-M205 Copier

3 Answers

I have a sharp copier, model AR-285, H4-01


H4 error pertains to lamp errors.

that would either be the copy lamp or the heater lamp.

check both lamps.

with heater lamps,it's usually caused by either a broken heater lamp or a dirty thermostat on the heater roller assembly.

Jun 09, 2009 | Sharp Printers & Copiers

2 Answers

SHARP AR 5316 error H4


The problem is in the fusing unit try these steps:

STEP1: Press continuously CLEAR then INTERRUPT then ZERO then INTERRUPT

STEP2: The panel display will turn off it means that you are inside the simulation if not repeat again step1.

STEP3.Then type 14 then press the print button

If these steps doesn't work you must call an authorized serviceman to check your machine, maybe something is busted on the fusing unit like thermostat or fusing lamp.

Mar 01, 2009 | Sharp AR-5316 Advanced Digital Imager...

2 Answers

H4-00


H4-00 on Sharp means that the temperature inside the printer is too low. That is usually the fuser lamp, and rarely the temp sensor.
When this happen you need to have the fuser unit replaced, if that does not fix the problem the technician will replace the temperature sensor.

Feb 27, 2009 | Sharp AR-5316 Advanced Digital Imager...

1 Answer

Sharp sf-7100 / status code


H4 means the fuser can't heat up. The fuser lamp probably burned out. Sorry, nothing can be done without tools and new lamp

Jan 15, 2009 | Sharp AL 1215 Black and White Copier

2 Answers

Error h4


it is on you fusing unit of your copier, check the fuse maybe it is open already and need for replacement... H4 means that your heater lamp is not functioning


franklin

Jan 07, 2009 | Sharp AR-5320 Black and White Copier

3 Answers

Error Call for Service H4-00


# - intrrup key - clear - interrup key 14 print
this all

check fuser lamp, thermost



just

Aug 18, 2008 | Sharp AR-M207 All-In-One Laser Printer

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