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What does H4 error code mean on a Sharp SF-7800?

My Sharp SF-7800 copier is showing H4 error. Do you know what it means please?

Jo, June 2006

home Fix label Office Appliances label_important Photocopiers category Sharpdone

I had a sharp mx2700-n with error code H4-30 there was a paper jam in the drum rollers clear the drums then press #*C* then enter 14 execute then CA button
and all's well hope it work for you.

Rod NYC, March 2014

mon sharp AR 5516S affiche H 4, que dois je faire pour me dépanner?,
j'ai tenté 1. Press #, interrupt, c, interrupt
2. Enter 14, press start

mais il continue toujours à afficher H 4
Que dois je faire?

gregory, March 2014

i have sharp 5320 . H4 error how can i fix it

raya, February 2013

Many thanks, Engr. Pritesh Doshi and NaijaEcash! U guys are the best!! U just saved me the N2,000 I pay some dude weekly to clear the code for my Sharp AR5520S!!! Thanks, thanks, thanks!!!!!!!!!

Mr.B, December 2012

i don't know about SF-7800 but for AR 55165 here H4 means heater problem.
If any one faces error H4 problem on sharp AR 55165
press fast the below keys and 99.9% on the case will be solved.
1. Press #, interrupt, c, interrupt
2. Enter 14, press start
wait for few seconds and it will work

Eng. Pritesh Doshi +249912379384, October 2012

try to reset your system by pressing "*" "interrupt" "C" "interrupt" "print" 14 "print"

master tunde, October 2012

On my sharp ar5516 I had to press the buttons very fast for it to work. Just for mention in case it happens to anyone.
1. Press #, interrupt, c, interrupt
2. Enter 14, press start
3. Turn off and turn on.

NaijaEcash, March 2012

I have a Sharp AL-1451 copier and printer. I have a error code H4-00 today.

------------------------------------------------
PRESS: Clear - exposure - clear - exposure = the LED display will turn off.

PRESS: # of copy keys until you have 14 displayed.

PRESS: Enter.
------------------------------------------------

is working fine on my copier. I were able to reset and get it working now. Thanks for your helps.

Edward

Edward, May 2011

sharp AR-M258 error h4-20

jagdish, March 2011

I have a SHARP MX-3501N.

I received a H4-00 Code. I walked through and cleared the code. After it Power Cycled, I received an H4-30 error. Any advice

David Schielein, November 2009

The engineers code above worked on our AL-1000 when it started doing an H4 after a power outage. Thanks.

Matt, July 2009

I have a Sharp AL1540CS MFM. It has been displaying the H4 code for a while. Clearing it would work for a time. Removed the fuser assy., and cleaned the temp sensor. It had a wad of toner stuck to it. Cleared the code again, so far so good. Thanks Dan

Dan@abacus, February 2009

I don't have a number key pad on my AL-1642CS so how do I enter the "0" and the "14" and which button is the "interrupt key"

Paleoraus, July 2008

H4 causing of power interrupting or high voltage to remove this error press "C" "interrupt key" "0" "interrupt key" The machine goes off then press number 14 switch off machine then switch on

Castory Masonga, March 2008

i have SHARP SF-1118 Copying Machine

when i press turn on then apear a Message

A then 4 on LED

Please Help me

imran

imran, January 2008

What does H4 error code mean on a Sharp al-1642cs

paul, November 2007

Thanks Joides, your reply with the engineer reset codes just fixed our "phantom" H4 error after a power failure. I'm sure you saved me tons of time and potentially money :-)

geoc, October 2007

A H4 error means “It is the fuser, but sometimes it is just a false code”, caused by a hiccup in your power supply.

SHARP AL-1642CS Engineers Code for clearing a H4 error (maybe others also)
------------------------------------------------
PRESS: Clear - exposure - clear - exposure = the LED display will turn off.

PRESS: # of copy keys until you have 14 displayed.

PRESS: Enter.
------------------------------------------------

Joides, April 2007

heater lamp error low fuser temp

alanfield123@hotmail.com, October 2006

It is a fuser temperature error or one of the sensors is dirty. You could try removing the fuser assembly - ensure power is switched off- then try cleaning the sensors as they tend to get paper dust and melted toner which collects between the surface which senses the heat from the fuser `Hot` roller. if this does`nt fix it you may need to replace the fuser. There is also an engineer code that you can enter to clear the fault so if you know of a friendly sharp copier engineer....they just might be kind to you !

Jonboy

John Scott, August 2006

Low temperature trouble

Philip Pritts, July 2006

link Click here to see other fixes for Sharp.