Question about Xerox WorkCentre XD100 All-In-One Laser Printer

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H-4 error code is displayed.

The h4 error code won't go away even after turning power off for 5 minutes

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  • juliandevoni Feb 16, 2009

    i have followed the instructions above and the 4-h messag does not go away

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What you want to do, it turn the maachine off and on, then press Cleat, Auto, Clear, Auto. That is the pinkish clear button and the auto exposure button. Press in order Clear, Auto, Clear, Auto, the display will go blank. Enter the number 14, enter that as if you were going to make 14 copies, press start, That will reset the machine and it should run fine.

Posted on Feb 03, 2009

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H4 error code


H4 00 Content Heat roller low temperature detection
Detail When the fusing temperature is lower than
150C° after 55sec from the start of warming
up.
When the warming up complete temperature is
not reached in 30sec from reaching 150C°.
When the fusing temperature is lower than
100C° after 20sec from ready start.
When the fusing temperature is lower than
145C° when printing."
Cause Thermistor abnormality
Heater lamp abnormality
Thermostat abnormality
Control PWB abnormality
Check
and
remedy
Use SIM 5-02 to check the heater lamp blinking
operation.
When the lamp blinks normally.
Check the thermistor and its harness.
Check the thermistor input circuit on the control
PWB.
When the lamp does not light up.
Check for disconnection of the heater lamp and
the thermostat. Check the interlock switch.
Check the power PWB and the lamp control
circuit on the MCU PWB.
Use SIM 14 to clear the self diagnostic display.

May 04, 2010 | Sharp AL-1641CS Color Copier

2 Answers

Sharp ar-m236 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.

This will help. Thanks please keep updated.please do rate the solution positively .thank you for using fixya


Dec 28, 2009 | Sharp AR-M237 Digital Copier

4 Answers

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.

Apr 24, 2009 | Toshiba E-Studio 3511 Color Copier

2 Answers

SHARP AR M-205


Hello sir; this error code require reset the procedure as follow;
1, press "#", "interrupt", "clear", "interrupt".
2, enter 14, press start.
3, turn power off and back on

Feb 07, 2009 | Sharp AR-M205 Copier

3 Answers

SHARP AR163 Displaying H2 error code


H2-0 Fusing unit temperature error
H4-0 The fusing unit doesn't heat up.
***ALWAYS DISCONNECT POWER WHEN WORKING ON MACHINE***
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.
Also check thermal fuse, if defective replace.

Dec 11, 2008 | Sharp AR-163 All-In-One Laser Printer

2 Answers

HELP, H4 ERROR


H4 is normally caused by the fuser taking a little longer than normal to warm up. Most of the time it is not caused by the hear rod itself. I will send you the process here is a few minutes.

Jul 24, 2008 | Sharp AR-5316 Advanced Digital Imager...

2 Answers

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.

Jun 05, 2008 | Sharp AR-M237 Digital Copier

4 Answers

Sharp AL-1655CS ERROR MESSAGE


The [H4-00] system error popped up when the power went out of the house. I called Sharp Tech Support (1-630-378-3590) and was talking to their Tech Support in less than a minute.

The FIX? Just press the following keystrokes:
# * C * (That's pound, star, C, star) This will clear the display error, now press…14, then press the green button twice. This should let your printer start to warm up and you have fixed your problem.

Mar 17, 2008 | Sharp AL-1655CS Copier

4 Answers

Cant get rid of blinking error message, nothing works


The [H4-00] system error popped up when the power went out of the house. I called Sharp tech support (1-630-378-3590) and was talking to their tech support in less than a minute.

The FIX? Just press the following keystrokes:
# * C * This will clear the display error, now press…14, then press the green button twice. This should let your printer start to warm up and you have fixed your problem.

Dec 20, 2007 | Printers & Copiers

3 Answers

Cant get rid of blinking error message, nothing works


The correct buttons to push in order to get into the service mode on a 162D are [#] key, [*] key, [C] key and [*] key. Then you key in 14 - 00 and press the Start key. If that fails to bring your machine back on, you'll have to replace the fusing assembly.

Apr 12, 2007 | Toshiba e-Studio162D Copier

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