C-D 370 = NVRAM Data multiple errors
C-D 366 = NVRAM Data error
C-D 251 = No JPEG board mounting at JPEG board mount setting
You need some serious firmware re-flash and maybe a new NVRAM chip which house certain counter info for the machine its like you BIO chip on a computer, and or Image control board $$$$$$$$$$$$ Firmware is only available to Konica Minolta Dealerships and KMBS tech, its not drivers but the operating system of the copier and companies protect that via secure servers.
Btw, I’m available to help over the phone in case u need at
https://www.6ya.com/expert/normanj_7893313f0751935f
×