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clear an error code H 4 on a sharpAL1642cs copier?

blinks H then 4 repeatedly on my sharp AL1642 cs copier. Any know how to fix it
quinn, March 2015
go to service mode
by pressing # intrupt c intrupt
machine goes ot off mode
then press 14 then press start botton,

machine will run ok...

VIVEK, December 2015
30 seconds with Google Search. You could have found it and not had to sit there waiting fomr someone else to do the deed.

http://en.allexperts.com/q/Repairing-Copiers-Faxes-1748/f/Sharp-AL-1631-H4.htm

http://www.printcopy.info/?l=en&mod=free&chap=erc&brand=Sharp&model=AL1642CS&code=H4-00

https://www.youtube.com/watch?v=F-EfeEumpoU

XX, March 2015
link Click here to see other fixes for Sharp.