Konica Minolta Code 9903 __link__ · Deluxe & Confirmed
Error code ) on Konica Minolta Bizhub devices generally indicates a "Controller JAM"
Key technical description: Base MFP Video Watchdog timeout error. konica minolta code 9903
Before attempting technical fixes, restart the hardware to clear temporary memory buffers. Error code ) on Konica Minolta Bizhub devices
Solution C: Replace the Video Board (Most Reliable)
- Cost: $250–$600 (used) / $800+ (new)
- Part numbers vary by model, e.g., A60J H060 01 (for bizhub 364e series).
- After replacement, you must run: Laser Adjustment, Gradation Adjustment, and NVRAM Recovery via service mode. Without these, print quality will be unusable.
Sensor/Actuator Malfunction: Dirty or misaligned sensors, or "actuators" that don't move smoothly, can interrupt the timing sequence the controller expects. Cost: $250–$600 (used) / $800+ (new) Part numbers
Paper Issues: Using paper that is damp, wrinkled, or outside of the manufacturer's supported specifications.
The "Door Reset": Open and close the front door of the machine. This often forces the printer to restart its internal checks.
1. Introduction
Konica Minolta MFPs use alphanumeric error codes to indicate hardware, firmware, or maintenance conditions. Technicians rely on those codes to triage faults quickly. Code 9903 commonly appears during boot or operation and can represent specific subsystem faults depending on model family and firmware version. Understanding its triggers and fixes reduces downtime and service costs.