The Video board contains non-volatile RAM storing calibration and adjustment data. If this NVRAM fails, the board cannot boot its own operating system, leading to a watchdog timeout.
Treat Code 9903 as a canary in the coal mine – it often appears when the HDD is nearing capacity or has bad sectors. If Code 9903 recurs after clearing, run HDD Check (Service Mode → State Confirmation → Memory/HDD Adjustment) to avoid data corruption. konica minolta code 9903
Konica Minolta releases frequent firmware updates to fix timing bugs. If you recently upgraded firmware on the MFP board but not the video board (or vice versa), version mismatch can cause C-9903. Also, a sudden power loss during firmware write can corrupt the video control logic. Konica Minolta releases frequent firmware updates to fix
