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Our AL-1000 has an error of H 4 on the screen and no buttons are working

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You will have to replace the FUSER. H means heat.

Posted on Jan 31, 2010


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Posted on Jan 02, 2017


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My Sharp AL 1000 is displaying alternatively the letter H and the number 4. What should I do?

The error that is on your disply is the following.
The fusing temperature does not reach 175 degrees celsius within 30 seconds of turning on the power, or the fusing temperature keeps at 140 degrees celsius.
In sequence press the following buttons [clear]-[density select]-[clear]-[desity select] the display will go blank.
With the copy quantity keys input 14 and press the start/print button, the machine will cycle.
If the error returns then the thermistor and themo fuse will have to be rplaced.

I hope this helps you

Apr 16, 2011 | Sharp AL-1000 Copier

2 Answers

Sharp AL-1000 error E7

E7 is CCD drive circuit trouble. Refer to the manual
obtainable from mauritron

Feb 21, 2011 | Sharp AL-1000 Copier

1 Answer

After putting on the copier the scan lamp carriage is vibrating for about 3 to 4 minuet then after the code e7 came.

You need to clear the code, press the following buttons in the order below.
  • Clear Key (far right key)
  • Exposure Key (far left key)
  • Clear Key (far right key)
  • Exposure Key (far left key)
once you do this correctly the screen should go blank. Type in the following
  • 14 (using the copy quantity keys)
  • Press your copy key
  • 1 (using the copy quantity keys)
  • Press your copy key
  • C (until the machine restarts)
If the code comes back then you are having a reference error and will need to call a local Sharp Authorized Dealer to service your machine.

Oct 09, 2009 | Sharp AL-1000 Copier

1 Answer

How can i remove H 4

Press c> photo>C>photo press 14 press start/Print key
machine ok

Oct 08, 2009 | Sharp AL-1000 Laser Printer

2 Answers

Polar F11F Error 16

you need to hold down all 4 or 5 buttons at once. This will reset your watch and bring up the message "welcome to polar fitness world". Press ok button 1x to start your setup process.

Apr 16, 2009 | Polar F11 Heart Rate Monitor

2 Answers

Blinking h then 4


The error H and 4 blinking indicates that, You have a defective fuser unit.
H is for HEATER
You should replace youe heater unit, if your product falls in warranty period, you can avail wrranty..


Apr 10, 2009 | Sharp AL-1540CS All-In-One Laser Printer

1 Answer

Sharp AL-1340 Scanner hangs up, grinding sound, with E-7 code

The scanner rails will dry out. Try a drop of oil on the rod the scanner travels on. There are two bushings that slide along the rod/rail. Good luck.

Nov 10, 2008 | Sharp AL-1000 Copier

2 Answers

AL-1000 H4 error

Try this:
to reset enter buttons clr, exposure, clr, exposure, the display will blank, enter 14, press prnt button, then clr several times to get out. This may work, if not then you definately need a fuser. Where are you located. Maybe I could send you a used one if this doesnt work.

Jul 18, 2008 | Office Equipment & Supplies

1 Answer

AL-1000 Sharp Photocopier

Performing a Fault Reset 14 will reset your WorkCentre and will help to clear error codes.
  1. Find the pink Clear button on the Control Panel of the WorkCentre.
  2. Find the button below the word Auto.
  3. 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.
  4. Press the [10's] key one time and the [1's] key four times to enter '14' in the LED Display, as if you were to make 14 copies.
  5. Press the green [Start] button.
  6. Press the pink [Clear] button two times.
  7. The WorkCentre should now warm up and come to ready.
  8. If the above steps do not clear the error code, repeat steps 3 to 6 a second time.

Mar 11, 2008 | Sharp AL-1000 Laser Printer

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