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
Paper Issues: Using paper that is damp, wrinkled, or outside of the manufacturer's supported specifications.
Sensor Timing: 99-series codes are frequently caused by timing issues with internal sensors, such as the IDC sensors (Image Density Control).
File Complexity: Certain file types, particularly complex Microsoft Excel spreadsheets with variable data, can sometimes trigger controller errors.
Mechanical Wear: Dirty or deformed rollers, guides, or faulty actuators in the paper path. Recommended Troubleshooting Steps
Clear the Paper Path: Open and close the front door to trigger a mechanical reset. If a physical jam is present, follow the animation guide on the screen to remove it.
Replace Paper: Swap out the current paper with a fresh, dry ream that meets the device's specifications.
Run Image Stabilization: Manually initiate an Image Stabilization cycle from the machine's utility menu to recalibrate the IDC sensors.
Power Cycle: Turn the main power switch OFF and then ON again after a few seconds.
Firmware and Drivers: Ensure the printer firmware is up to date (version G00-RF or newer is often recommended for these models) and that you are using the correct print driver on your computer.
If the error persists after these steps, it may indicate a deeper hardware issue with the PRCB (Printer Control Board) or OACB (Overall Control Board), and you should contact your authorized service representative.
Are you seeing this error constantly during startup, or does it only happen when you send a specific document to print? Common Konica Minolta Printer Problems & How to Fix Them
The Konica Minolta error code 9903 (often appearing as "99-03") is a generic "trouble" or "internal error" code typically associated with a software or document processing malfunction rather than a specific hardware part failure. This error generally occurs when the machine's controller cannot process the data it has received, often due to complex file formats or driver mismatches. Common Causes of Error 9903
Complex Print Jobs: Large or highly complex files—particularly Microsoft Excel documents with multiple worksheets or variable data—can trigger 99-series codes.
Driver Conflicts: Using an incorrect or outdated printer driver is a frequent cause of processing errors.
Firmware Outdated: Older firmware versions may lack the necessary protocols to handle modern document data, leading to internal timing or processing failures.
Network Timing Issues: In some cases, the error is treated as a "99 jam," which can be caused by sensor timing issues during the pre-phase or startup. Step-by-Step Troubleshooting Guide 1. Perform a Soft Reset
Before attempting technical fixes, restart the hardware to clear temporary memory buffers.
Turn off the main power switch (usually located behind the front door or on the side). Unplug the power cable and wait for at least 60 seconds. Plug the machine back in and restart. 2. Verify and Update Drivers konica minolta code 9903
Ensure you are using the official Konica Minolta driver specifically designed for your model.
Visit the official Konica Minolta Download Center to find the latest version.
If you are using a "Universal" driver, try switching to a model-specific PCL or PostScript driver. 3. Clear Internal Malfunction Settings (Service Mode)
If the error persists on the display, you may need to reset the malfunction status through the service menu. Warning: This should ideally be performed by a technician.
Access the Service Mode (usually by pressing Counter > Display Keypad > Stop > 0 > 0 > Stop > 0 > 1). Select System 1. Navigate to Initialization and select Trouble Reset. Follow the prompts to restart the machine. 4. Check Firmware Version
Konica Minolta often releases firmware patches to address specific 99-series errors. Ensure your machine is running at least version G00-RF or newer, as these versions contain stability fixes for data processing. 5. Analyze the Source Document
If the error only occurs with specific files, try the following:
Print as Image: In the PDF or document print settings, select "Print as Image" to bypass complex vector processing.
Simplify Excel Files: If printing from Excel, try printing one worksheet at a time or saving the file as a PDF before printing. When to Call a Technician
If these steps do not resolve the issue, the problem may lie with the Image Stabilization process or the IDC sensors (1 and 2). A certified technician can check the "level history" of these sensors or adjust the transport speed and registration loop to fix permanent timing errors.
For further assistance, you can find local support through the Konica Minolta Service Locator.
Does this error occur consistently on every print job, or only when you try to print specific types of files?
The Konica Minolta error code typically indicates a communication or processing timeout
, often related to paper feeding or specific file types during a print job. Importaciones Perez Quick Fixes Power Cycle: Turn the machine off, wait 30 seconds, and turn it back on. Clear the Queue:
If a specific document is causing the crash, delete all pending jobs from the print queue on your computer and the printer. Paper Inspection:
Ensure you are using high-quality paper, the trays are not overfilled, and the side guides are snugly adjusted. Importaciones Perez Root Causes & Solutions Corrupt Print Jobs:
Complex files (like large Excel sheets with many worksheets or variable data) can cause a 99-03 timeout. Try printing the file as a PDF or in smaller sections. Outdated Firmware:
This error is frequently resolved by updating the device to the latest firmware (G00-RF or newer). Hardware Sensors: Error code 9903 (often appearing as 99-03 )
Dirty or failing sensors in the paper path can trigger this code. Regularly cleaning the rollers and sensors can prevent recurrence. Driver Mismatch:
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
for IDC sensors 1 and 2 to look for underlying image stabilization issues. manual image stabilization and check for any "P" codes (warning codes). Inspect the
connections, as communication errors can sometimes stem from loose control board seating. to update the firmware or check the error history in Service Mode?
The Konica Minolta error code 9903 (often appearing alongside 9913) is a general system error that typically indicates a timing issue or a data processing conflict rather than a specific hardware failure. Common Causes
Data Conflicts: Complex files, such as Excel spreadsheets with many worksheets or variable data, can trigger this code during the spooling process.
Driver & Firmware Mismatch: Using outdated or incorrect printer drivers can cause the machine to "hang" and throw a 99-series error.
Sensor Timing: The error can stem from a sensor timing issue, often related to the registration loop or transport speed as paper moves through the machine. Recommended Solutions
Technicians and users have reported several ways to address or troubleshoot this persistent error:
Update Firmware: Ensure the machine is running the latest firmware version (specifically G00-RF or newer for modern models like the C-250i) to resolve known processing bugs.
Driver Check: Verify that you are using the correct print driver for your specific model.
Image Stabilization: Manually run an image stabilization routine from the Service Mode to check for internal sensor errors.
System Reset: For a temporary fix, you can perform a controller reset through the Konica Minolta Maintenance Menu or by following a Hard Reset Procedure.
Check IDC Sensors: Review the level history for IDC sensors 1 and 2, as debris on these sensors can interfere with timing and trigger 99-series codes.
Does this error occur during scanning or printing, and have you recently updated any drivers on your computer?
In Konica Minolta bizhub devices, Error Code 9903 is typically classified as a Sequence Jam. Unlike standard paper jams that indicate a physical obstruction you can easily see, sequence jams often stem from sensor timing issues where the machine detects paper in a certain area too early or too late based on its internal logic. Understanding the 9903 Code
Classification: It is often grouped with "99 codes," which are generally software or timing-related rather than simple physical jams.
Timing Failures: The machine’s internal "Pickup Feed System" expects a sheet of paper to pass a specific sensor within a millisecond-perfect window. If it misses this window, it triggers code 9903. Access Service Mode
Startup Errors: Users often report this code appearing during the "pre-phase" when the machine is first turned on, even before a print job is sent. Primary Causes
Software & Firmware: Outdated firmware (older than version G00-RF) or incorrect printer drivers can cause miscommunication between the machine's brain and its mechanical components.
Complex File Types: Printing large or complex files (like MS Excel sheets with variable data and multiple worksheets) can sometimes overwhelm the processor, leading to timing errors.
Sensor Dirtying: Dust on the IDC sensors (Image Density Control) or exit level sensors can cause the machine to "lose track" of the paper's position.
Mechanical Wear: Issues with the drums, developer units, or transfer belt can lead to poor "image stabilization," which the printer may interpret as a sequence error. Troubleshooting and Fixes If you encounter this code, try these steps in order:
Perform a Hard Reset: Turn the main power switch OFF (usually located inside the front door), wait 10 seconds, and turn it back ON. This can often clear temporary software glitches.
Update Firmware: Contact a certified technician to ensure your machine is running the latest firmware (specifically version G00-RF or newer), which includes fixes for common 99-series errors.
Clean the Sensors: Gently clean the IDC sensors and the feed rollers using a lint-free cloth and isopropyl alcohol to ensure accurate paper tracking.
Check Drivers: Ensure you are using the official Konica Minolta driver for your specific model rather than a generic Windows print driver.
Service Mode Initialization: If the error persists, technicians often use the Service Mode (Utility/Counter > Stop > 0 > 0 > Stop > 0 > 1) to "Initialize" the system and clear persistent error flags.
Note: Because 9903 is a "Sequence Jam," it may require a technician to adjust the registration loop or transport speed if mechanical timing is permanently off.
The solution is straightforward and does not require a service call in most cases:
Access Service Mode
Menu → Counter (or Stop 0 0 Stop 0 1 depending on model—verify per device).9272927292729272 or 00000000 for older models; consult your administrator).Navigate to Log Settings
Service Mode → System 2 → Job Log Auto Delete Setting.Manually Clear the Log
Job Log Auto Delete → Set to Delete → Execute.Restart the MFP
⚠️ Note: 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.
Before attempting repairs, identify the potential root causes:
This is critical. Check your current firmware version in Service Menu → Firmware Version.
