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Sharp mx-m450n error h4-01

Error code H4-01 *Temperature too low*

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6 Suggested Answers

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Posted on Jan 02, 2017

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sir fixalot
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SOURCE: Sharp AR-M237 Error Code H4-21

-H4-21 means:Sub heater lamp abnormally low temperature detection. The setup temperature (about –25°C: Sim 43-1-1) is not reached within the specified time (about 32sec) from turning on the power ON SW. (When the temperature falls below 140°C in the standby mode.)
-Causes:
Sub heater thermistor defect
Sub heater lamp failure
Sub thermostat failure
Control PWB failure
-Check the sub heater lamp blinking with SIM 5-2-2.
When the lamp blinks normally: Check the thermistor and the harness. Check the MCU PWB thermistor input circuit.
When the lamp does not light: Check for disconnection of the heater lamp and thermostat. Check the interlock switch. Check the power PWB and the MCU PWB lamp control circuit.
Clear the display of self-diagnostics with SIM 14.
The H4 errors will not reset by themselves. You must enter service mode to reset this error even if the problem has been repaired. The reset process is outlined below (DO NOT USE ANY OTHER FUNCTIONS IN SERVICE MODE):
Press the following sequence: "#/P" "*" "C" "*"
Type in 1 4
Press start
hit 1 for yes
hit start
Unit should power off and the restart.
If the error code recurrs ther are other problems.

Posted on Jun 06, 2008

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  • 62 Answers

SOURCE: Error code H4-01

This mean you have low temp. on heat lamp 2 program interput clear interrupt 14 print may clear this code. if not you can look at the fusing unit and reset thrmo breaker that may be pop off.

Posted on Jul 30, 2008

  • 7 Answers

SOURCE: Sharp MX-M450N copier getting Error code F2-04 Improper cartridge

change the cartrage

Posted on Mar 23, 2009

  • 1 Answer

SOURCE: sharp al2030 error code h4 upon power up

Here is the solution straight from the lips of tec support at sharp.

This can happen due to a power outage.

Here is how you fix it.

1. Hit clear, then auto. (clear is on the right the red C, auto is on the far left)
2. Once again Hit clear, then auto. (clear is on the right the red C, auto is on the far left)

At this point wait for the screen to go dark.

3. Type in 14 (hit the 10 once an the 1 button 4 times)
4. Hit the Green Button.

The screen will go dark and reset the copier.

Posted on May 18, 2009

  • 7 Answers

SOURCE: 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.

Posted on Jun 10, 2009

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1 Answer

MX-M700U


This is a low fuser temperature error. Normally it can be reset by doing the following...make sure it's in copy mode:

pound, star, C, star
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execute

once machine restarts the code should be gone. if not, and you're in Houston, we can get you fixed up.

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Clear the motor error code with SIM 15 in the service area of the machine (from copy mode, # * C * to access)

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3 Answers

What do I do for an H4-01 CODE


You can try to have a technician reset the code in service mode. If it works---your done. If the code comes right back you'll need to replace the fuser.

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1 Answer

H4 Displays


H4 indicates "low temperature", possibly caused by a failure of the heater lamp or fuser. Sometimes this error is shown without an actual damage when the power cord is pulled without shutting down the copier first.

To cancel the error code, press [CLEAR], [AUTO], [CLEAR], [AUTO] in rapid succession. The display should go blank. Next, select 14 (clear low temperature code), press [START]. Finally, switch off and on the machine.

If there was no actual damage (i.e. power cord pulled), the machine should be OK again. If the error persists, immediately or after short time of operation, you will need to contact Sharp technical service for repair.

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1 Answer

Error h4 sharp ar-5316 can you help me ?


H4 indicates "low temperature", possibly caused by a failure of the heater lamp or fuser. Sometimes this error is shown without an actual damage when the power cord is pulled without shutting down the copier first.

To cancel the error code, press [CLEAR], [AUTO], [CLEAR], [AUTO] in rapid succession. The display should go blank. Next, select 14 (clear low temperature code), press [START]. Finally, switch off and on the machine.

If there was no actual damage (i.e. power cord pulled), the machine should be OK again. If the error persists, immediately or after short time of operation, you will need to contact Sharp technical service for repair.

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Error code H4-01 means low temperature.

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Code H4 comes up when the sharp copier ar-5316 is switched on. it cannot be use. what shall I do to solve this problem of error code H4.


Hello sir; H4 code require reset procedure as follow;
1, press"#" "interupt" "c" "interupt" these 4 keys.
2, enter 14 , then press start
3, turn power off and back on .

Jan 28, 2009 | Sharp AR-5316 Advanced Digital Imager...

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