Display window of Sharp copier shows 'CH'. We are unable to use the machine. The machine was protected by a code 680. Unless 'CH' goes we cannot type 680 to start using the copier. How to solve it?

SOURCE: unable to display password sreen

Hi Try this: Control Panel =>User Accounts =>Change the way users log on or off =>and uncheck the select box "use the Welcome screen. If you need help ask. Good Luck.

SOURCE: request service manual for sharp AR-5316

http://www.retrevo.com/search/v2/jsp/downloadPage.jsp?doc=7b292ec58f421b3b3b442c1437984770&q=Sharp+AR-5316

SOURCE: SHARP AL-1216: HOW TO REMOVE H4 ERROR CODE

www.tinli.com.hk/PDF/AL1216.pdf

Hope this helps.

paul

SOURCE: sharp ar 250 copier error code CH

CH - open cover in the paper feed area
CH blinking - Dev unit is not properly installed
For the 'CH' check the covers and make sure all covers are closed properly.
For the 'Blinking CH' take the dev. Unit open and the reinstall unit properly.
Pls rate – thank you

Andy Bell

• 313 Answers
• Posted on Jun 12, 2009

SOURCE: ERROR CODE U2-40: SHARP AR 5127

ERROR CODE U2-4 COULD BE RELATED TO THE MEMORY BATTERY BEING DEAD ON TEH MAIN BOSRD IF IT IS AN OLD MACHINE SO YOU COULD CHECK THSI OR REPLACE AND TRY WITH NEW