Konica Minolta Code 9903 ✨

While many 9903 errors can be resolved by the steps above, you should call a certified Konica Minolta technician if:

In plain English: The printer’s main controller board (the "brain") is trying to send image data to the print head unit (the LSU or Laser Scanning Unit), but the data is either corrupted, incomplete, or not arriving fast enough. The machine stops the print job to prevent producing a blank page or a page covered in horizontal lines. konica minolta code 9903

Wait at least 30 to 60 seconds to allow the components to discharge, as recommended in. While many 9903 errors can be resolved by

If the error persists, you can enable a hidden feature that tells you exactly where the jam occurred. If the error persists, you can enable a

Older firmware versions are notorious for these codes during startup or when processing complex files (like large Excel sheets). Media Settings:

If the error occurs only when printing specific files, delete those jobs from the print queue and try a simpler document.