Xerox error code 124-315

The serial no., product no., and billing count are stored at three locations; the MCU NVM PWB (IOT), the SEEP ROM (SYS1) on the Backplane (BP) PWB, and the ESS NVM PWB (SYS2). This procedure allows the data in all three locations to be synchronized in case of replacement of one of the PWBs, or […]