Hello tech9 Thank you for information about billing. I did all method for reseting before. i know that billing store in software dram and maybe in another module!because as you know drams must be reset when disconnect the battery from it. for discover at first I read entire information in NVM ram with mini programmer and compare two different exiting data for find billing memory line, i didn't find because there are many variable field in data. so i reprogram the NVM ram with blank buffer for test but nothing happened, just machine serial number clear. in second step i reset the software Dram by unplug the battery and nothing happened. so i think billing save in another module and when the machine come up after resetting the both memory module restore automatically from it to software Dram or NVM ram. like color machine that billing save in 3 module perhaps it maybe save in SIP PWB . I will be appreciative if you have an idea. Best Regards a.ghafari
