OKI B4601 Error 500: System Processing Fix
The OKI B4601 error 500 signifies a system processor failure or a memory overflow when handling large print tasks. This alert effectively stops all communication with the connected computer. Many users ask how to fix OKI B4601 error 500 after sending complex documents, as the device may be unable to render the graphics within the available buffer memory.
Common causes
- 1Internal memory overflow due to large PDF/graphics data.
- 2Corrupt print queue entries on the host PC.
- 3Firmware bug related to system processing.
- 4Driver/Hardware communication mismatch.
Solutions
Diagnóstico rápido
If the error repeats on complex files, the internal RAM is likely insufficient or corrupted. Check if the printer can print a simple internal configuration page; if it can, the problem is your computer's print driver.Solución paso a paso
- Power Off: Shut down the printer and disconnect all cables, including networking and power.
- Hard Reset: Hold the 'Cancel' button for 30 seconds while powering back on to clear the temporary buffer.
- Test Job: Print a test page directly from the printer menu to verify functionality.
- Driver Update: Uninstall the existing printer driver from your PC and install the latest version from the OKI website.
Prevención y mantenimiento
Break large files into smaller chunks if printing graphics-heavy documents. Install regular firmware updates. Use genuine OKI consumables to avoid sensor misreads and communication errors.Cuándo llamar a un técnico
If the error 500 persists after a full driver reinstallation and memory reset, the main control board might be failing and requires replacement.Ficha técnica del equipo
- Technology: LED Laser
- Performance: 40 ppm
- Connectivity: USB 2.0, Parallel, Ethernet
- Paper Capacity: 530 sheets
- Consumables: B4600/4601 series
- Application: Corporate / Office
- Official Drivers
Steps to follow
- 1
Power Off
Shut down the printer and disconnect all cables, including networking and power.
- 2
Hard Reset
Hold the 'Cancel' button for 30 seconds while powering back on to clear the temporary buffer.
- 3
Test Job
Print a test page directly from the printer menu to verify functionality.
- 4
Driver Update
Uninstall the existing printer driver from your PC and install the latest version from the OKI website.
Frequently asked questions
Error 500 indicates a memory overflow or processing conflict. Clearing the print queue and resetting the internal memory usually helps.
Usually no. It is often caused by corrupt data being sent to the printer from your computer.
Use authentic OKI B4600-series toner to ensure full compatibility with the device firmware.
Yes, keeping your firmware updated prevents many processing issues associated with older drivers.