Sharp Copier Error Code Mck !!install!! -

When this code displays on your Sharp MX or BP series device, it means the black main charger unit has reached its life expectancy. Using the device after this message appears may result in gray backgrounds, streaks, or poor image density on your black-and-white prints. Common Causes

specifically indicates a Developer Unit (Black) Malfunction . In Sharp’s diagnostic system: sharp copier error code mck

If the sensor inside the black developer unit is physically dirty or broken, the copier will generate an MCK error even if the developer is fine. This requires a hardware repair. When this code displays on your Sharp MX