when i turn the key to void or reg closed comes on the display also how do you set the timing for the till roll and ribbon feeder. thanks

stephen saunders, July 2014

You need to open the register by logging on with your secret PIN number. If you need to change your PIN number, use the codes from the manual. there's one here:

http://the-checkout-tech.com/manuals/cashregisters/Samsung_ER-290_operating_programming_manual.html

Not sure what you mean by timing for roll and ribbon feeder. What is the symptom?

Registerman, July 2014