The most frequent culprit. The Video board uses DDR2/DDR3 memory modules (DIMMs) to process image data. If a DIMM develops a bad sector or loses electrical contact, the Video processor hangs, triggering the watchdog timer.
For the bizhub C224e/284e/364e series, a known bug causes 9903 when compression is set to "High."
Replace with dry, specification-grade paper; adjust tray guides. Happens with specific files (Excel, PDFs) Upgrade to the newest PS print driver. Device Firmware Happens during warm-up phase
If all else fails—the error appears on copy jobs, memory tests pass, firmware is current, and you’ve swapped DIMMs—the (p/n A5C7H02300 for the C224e series) is likely failing. konica minolta code 9903
(often displayed as 99-03 or labeled as a Controller JAM ) is a common infrastructure error that typically affects the bizhub i-Series (such as the C250i, C300i, and C360i) as well as several high-volume monochrome and color multi-function printers (MFPs) .
The printer's internal controller memory becoming overwhelmed by massive file sizes. Step-by-Step Guide to Resolve Code 9903
Clean the IDC sensors located near the transfer belt. If these sensors are dusty, they cannot accurately read the density of the toner during the pre-job check, leading to a 9903 timeout. 5. Driver & File Optimization The most frequent culprit
Base MFP Video Watchdog timeout error.
Enter on the physical operation panel (Utility -> Counter -> Display Keypad -> Stop -> 0 -> 0 -> Stop -> 0 -> 1). Select Enhanced Security .
Ensure you are using the official Konica Minolta driver for your specific model rather than a generic Windows print driver. For the bizhub C224e/284e/364e series, a known bug
Troubleshooting Guide: What is Konica Minolta Code 9903 and How to Fix It
If a drum was recently replaced, it might be defective.
Does this error occur on every print job, or only when you try to print specific types of files ?
In Konica Minolta Bizhub series printers (specifically the Go to product viewer dialog for this item. Go to product viewer dialog for this item. Go to product viewer dialog for this item.
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