Question about Sharp AL 1215 Black and White Copier

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Sf 7800 sharp copier

What does the code ch mean. It shows up on the window for copies.

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  • princessmax4 Oct 16, 2008

    Do someone know where I can get a copy of the manual for the SF 7800 copier. Or do you know where I can find the steady door switch and the enterlock switch?



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  • 97 Answers

-Did you try to replace the Toner Cartridge? if not try to replace and installed properly.
or check the Toner Cartridge if installed properly.

Posted on Sep 22, 2008


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In all type of sharp copier there is tow type of ch code , if you have blinking ch that mean you have Check the developer unit re insert it probable i, if you have stead CH that mean you have to check the door properly there is an open door .
than you for using fixya

Jan 31, 2011 | Sharp Office Equipment & Supplies

1 Answer

Error code ch

CH mean any kinds of door is open or not close properly.Please close door properly.right side or front has a connector switch it is open or displace.

Dec 15, 2009 | Sharp AR-5320 Black and White Copier

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Hello sir ; CH code it means some where the door is open ,check the side door.

Sep 30, 2009 | Sharp AL 1631 Copier

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We have a sharp AL 1610 that shows CH f 5 on the display and has the light that looks like a belt drive showing. What does that mean?

It appears you have two faults showing up. A 'CH' fault means there is a door or hatch that's open or ajar. Check to make sure the unit is buttoned up correctly.

An F5 code means your copy lamp isn't turning on and off correctly. I recommend that you have a trained service tech diagnose the problems with this machine.

Sep 29, 2009 | Sharp Office Equipment & Supplies

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AE Code on Sharp SF2025, What means?

exposure lamp or exposure fuse

Jun 08, 2009 | Sharp SF 2020 Copier

2 Answers

Big streaks on copies from Sharp SF-7800 copier, not fax machine.

You probably have some build up on the glass, which happens if you use the auto feeder most often. Alcohol type cleaner will remove with a very softcloth. One small dot will look like a long streak on a feeder, much like a streaked fax. The other issue is the photoreceptor belt has nicks or is dirty eaither way it needs to be replaced. Try the cleaning first and you may have to look hard for the small dots built up on the glass.

May 11, 2009 | Sharp Office Equipment & Supplies

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