Felix asked ... Hitachi vt-m70em?    |    Katie Bond asked ... Fixing auto threader on Baby Lock Enlighten Overlocker?    |    Chris. asked ... Miele W800 novotronic washing machine?    |    Larry asked ... How to stop my steam iron from leaking. Model dw2463 Rowenta?    |    HT asked ... Radio code Philips 22RC200/35?    |    Click here to ask your question

How do I fix a JCM Gold J2500S Cash Register when it says OP on the screen?

How do I fix a JCM Gold J2500S Cash Register when it says OP on the screen?
Jesh, July 2020
I haven't worked with this model but it might be asking for an operator sign on password. If you can't make sales without an error, you probably need to sign on with a password (PIN number)

Registerman, August 2020
link Click here to see other fixes for JCM.