Minolta Code 9903 | Konica

Many 99-series errors are resolved through official manufacturer updates. Check your MFP's current firmware version.

On Konica Minolta multifunction printers (such as the bizhub series), Code generally signifies a paper transport error or jam . Specifically, the machine has detected that paper has not passed through a specific sensor within the expected time frame, or a sensor is incorrectly detecting paper when none is present.

Ensure the machine is updated to firmware version . This is designed to manage complex job handling better. 3. Review Print Drivers and File Types

: Review the level history for IDC sensors 1 and 2, as debris on these sensors can interfere with timing and trigger 99-series codes. konica minolta code 9903

Regularly clean the IDC sensors and the print head glass to ensure the machine can accurately read image density.

While in Service Mode, run a manual cycle.

If the error only occurs with specific files, try the following: Specifically, the machine has detected that paper has

If your Bizhub is displaying this code, follow these steps in order to resolve the issue: 1. Basic Power Cycle

Troubleshooting Konica Minolta Error Code 9903: Causes and Solutions

To help narrow this down, could you let me know of your Konica Minolta machine? It would also be helpful to know if this code appears right when powering on the device or only when sending a specific file to print. Share public link While in Service Mode

The 9903 code is more of a than a hardware failure. It is frustrating because it doesn't always point to a specific piece of stuck paper, but it is generally easy to resolve with a simple door cycle or by using fresh, dry paper. If you're dealing with this right now, let me know: What model of bizhub are you using?

Ensure that a certified Konica Minolta technician flashes the copier’s engine and MFP board firmware to the most modern iteration available (G00-RF base firmware or newer).

Dust (especially paper lint) on the registration or transport sensors can cause the machine to "think" a page is stuck when it isn't. Firmware Glitches:

The "99-03" code can have different meanings depending on your specific Konica Minolta model, but it almost always relates to a failure in the device's internal processing or hardware checks.