Remove any paper that looks wavy or damp and replace it with a fresh, dry ream.
Technicians and users have reported several ways to address or troubleshoot this persistent error:
Service Mode contains advanced settings that can affect your machine's performance. Only change the JAM Code Display setting as instructed.
If you have cleared all paper and restarted the machine but the error persists, you may have a hardware failure. The following issues require professional service: konica minolta code 9903
If the error reappears immediately after rebooting, a corrupted print job is likely stuck in the queue and sending bad data repeatedly. On the computer sending the job, open .
This error is frequently resolved by updating the device to the latest firmware (G00-RF or newer). Hardware Sensors:
If the error occurs only when specific users print: Remove any paper that looks wavy or damp
⚠️ Deleting job logs removes historical usage records. If you need them for accounting/auditing, export logs via PageScope Net Care or Web Connection before clearing.
Preventing the 9903 error is about maintaining a clean, consistent print path.
Error code (often appearing as 99-03 ) on Konica Minolta bizhub devices (such as the C250i, C300i, and C360i) indicates a Controller JAM or an image processing stabilization error . This occurs when the machine fails to complete its internal image stabilization process before starting a print or copy job. Common Causes If you have cleared all paper and restarted
Ensure you are using the correct print driver for your specific model and operating system. Importaciones Perez Technical Diagnostics If the issue persists, a technician should: level history
Are you printing a (like an Excel sheet or a large PDF) when it crashes? Share public link
If the above fail, the main controller board has defective video bus logic. This is a last resort due to cost (often exceeds machine value on older models).