c-2558bizhub 4750i

Konica Minolta bizhub 4750i error C-2558: Motor troubleshooting

Konica Minolta bizhub 4750i error C-2558 points to a toner supply motor anomaly. This error code appears when the machine senses the toner dispensing motor is not reaching the expected rotational speed. Addressing the physical supply system usually fixes this error.

0 views

Common causes

  • 1Motor seizure due to internal cartridge friction.
  • 2Toner supply sensor obstructed by loose powder.
  • 3Drive gear failure on the motor module.
  • 4Firmware miscommunication regarding motor timing.

Solutions

Quick Diagnosis

If you hear a clicking sound during the initialization process accompanied by the C-2558 error, the toner cartridge's internal drive gear is likely blocked or the motor has stalled.

Step-by-Step Solution

  1. Shut down the machine and unplug it.
  2. Remove the toner cartridge and verify it isn't seized.
  3. Reinsert the toner or install a new genuine cartridge.
  4. Power up and allow the machine to attempt a re-calibration.

Prevention and Maintenance

Use only original manufacturer toner. Regularly clear the dust around the supply area using an ESD-safe vacuum.

When to Call a Technician

If replacing the cartridge doesn't solve the C-2558, the motor gear train or the supply sensor assembly likely needs professional replacement.

Device Technical Specifications

  • Technology: B&W Laser
  • Speed: 47 ppm
  • Connectivity: Ethernet / USB
  • Capacity: Large enterprise capacity
  • Consumable: TNP-79 Toner
  • Use Case: High-output office environment
  • Official Drivers / Firmware

Steps to follow

  1. 1

    Check toner cartridge

    Remove the toner and ensure the supply auger is not clogged or jammed.

  2. 2

    Sensor cleaning

    Clean the toner density sensors with a lint-free dry cloth to remove debris.

  3. 3

    Inspect the motor

    Observe the drive motor for free movement and look for any physical obstructions.

Frequently asked questions

It indicates a failure in the toner supply motor or a lack of toner flow detected.

No, the system enters a self-protection mode to prevent mechanical damage.

Only use original Konica Minolta toner to prevent clogs and ensure smooth supply.

Professional servicing every 100,000 pages is standard practice for this model.

Konica Minolta bizhub 4750i error C-2558: Motor troubleshooting | Vimazdev