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Error code H 4 on Sharp AL 1041 copier - Sharp Fax Machines

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Hi , the problem is with the fuser unit in the machine but it may be possible to reset.Try this : enter buttons "clear" , "exposure" , "clear" , "exposure" ( in that sequence ) the display will then blink. Enter numbers 1,4 and then press "print" button , followed by the "clear" button several times to get out. power off/on machine from main switch and problem should reset so long as heating element within fuser is not blown. hope this helps.

John

Posted on Jun 14, 2008

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H4 is a fuser error. It sometimes can be cleared out. But sometimes it is the fuser lamp or one of the heat sensors.

Try to clear the error in service mode by hitting. clear, auto(exposure), clear, auto. The display will go blank, enter 14 and hit start key, turn power off/on, if problem is gone then you overheated, if not then you need a tech. Good luck.

Posted on Jun 14, 2008

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To perform the reset for the H4 do the following:
Find the Clear button on the Control Panel.
Find the Auto button.
Press these buttons in the following sequence: [Clear], [Auto], [Clear], [Auto]

NOTE: All of the lights on the Control Panel should go out and the LED Display should go blank. If the lights do not go out, then repeat step 3 until they do. It may be necessary to increase or decrease the pace of the [Clear], [Auto], [Clear], [Auto] sequence.
Then,
Press the [10's] key one time and the [1's] key four times to enter so the number '14' is in the LED Display, as if you were to make 14 copies.
Press the green [Start] button.
Press the [Clear] button two times.
The machine should now warm up and come to ready.
If the above steps do not clear the error code You may need to have a tech look at this.
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How I CAN CANCEL CODE U2 in sharp arm451n


This resets the code
Sim 16 sub 0 Used to cancel the self diag "U2" trouble. Cancel Trouble Error
SIMULATIONS
1. Entering the simulation mode
Enter the copy mode and perform the following procedures.
[P] [*] [C] [*] [Main code] [START] [Sub code] [START]
2. Switching the simulation mode
Press [USER SETTING] to return to the code entry screen.
3. Canceling the simulation mode
Press CA key to cancel the simulation mode.
You may need to have a tech look at this.
Hope that helps

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