Concerning the first two digits of the details code in xx12 to xxD0 xx=01: Y xx=02: M xx=03: C xx=04: Bk
Sample images drawn by ATR control are not created. SALT sensor trouble or a broken/disconnected wire. There is trouble in the drum unit. Deterioration in ITB.

Replace the SALT sensor (clean the sensor window). Replace the drum unit (check its connections). Replace the ITB (clean it).