Error code 9903 (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
Service Mode → System 2 → Job Log Auto Delete Setting.Clean the Path: Ensure no small objects or dust are obstructing the sensors or the DRUM CARTRIDGE area. konica minolta code 9903
Unlike a paper jam (a tangible, physical failure) or a toner shortage (a resource depletion), Code 9903 is a phantom. It is a software ghost. It usually manifests during high-stakes operations: the printing of complex PDFs, the transmission of large scan files, or during the precise choreography of a fax transmission. It signals that the "pipeline" between the computer (or the network) and the printer's brain—the Controller board—has been severed or corrupted. Error code 9903 (often appearing as 99-03 )
: Using an outdated or incorrect print driver can cause the machine to misinterpret page data. Go to Service Mode → System 2 →
On Konica Minolta multifunction printers (such as the bizhub series), Code 9903 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.