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Sharp al-1644 photocopier

Sharp al-1644 is showing code CH.
How do we clear this and get it working?

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Usually CH indicates that one of the doors on the copier is not closed properly, if it is a flashing CH then there is no toner cartridge in the copier or the cartridge is of the wrong type for this machine. A lot of toners for this machine look alike but are not the same for the machine.

Posted on May 26, 2008

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Sharp AL 1540 cs Code CH What is the code and how can I fix it. A new toner cartridge was installed last night.


Check the new unit is correctly seated and open and close all covers on the printer until it clears.
The CH Code is for an open cover but maybe to do with the cartridge not being seated correctly.

May 04, 2011 | Sharp AL-1540CS All-In-One Laser Printer

1 Answer

Reset drum counter on Sharp AL-1644


This works on MOST sharp AL series copiers.
Press these keys in sequence:
Clear → Density select → Clear→ Density select
display should go blank. Then enter:
24 as if you were making 24 copies then press print
then enter 7 as if you were making 7 copies then press print
if successful you should see flashing 000
turn machine off then on again and the drum light should be gone.
Good Luck

Nov 03, 2009 | Sharp Printers & Copiers

1 Answer

SHARP AL-1644


To enter the serviceman simulation mode, press the keys as follows:
Clear → Density select → Clear→ Density select
To cancel the simulation mode, press the clear key. Then enter code 14 then hit start.

Jul 28, 2009 | Sharp AL 1631 Copier

1 Answer

Code CH on Sharp copier


CH code on a Sharp usually means the front door or a side door is not completely shut. Try opening and closing every exterior door until the code goes away. If the CH is flashing, it could mean either an optical or a heat roller fuse might have blown. Have you recently replaced any supplies?

Feb 27, 2009 | Sharp AL-1540CS All-In-One Laser Printer

1 Answer

SHARP AL 1644


i want free solve side

Aug 30, 2008 | Sharp AL 1631 Copier

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.
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Mar 11, 2008 | Sharp AL-1000 Laser Printer

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