c-5351bizhub C750i

Error C-5351 Konica Minolta bizhub C750i: Fix

The Konica Minolta bizhub C750i error C-5351 occurs when the fuser unit fails to heat up within the mandatory time window. This safety feature locks the machine to prevent partial fusing of toner onto pages. Professional diagnostics are usually required if physical obstructions are not the cause.

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Common causes

  • 1Blown heating lamp.
  • 2Faulty thermistor sensor.
  • 3Accumulated debris in fuser.
  • 4Incompatible media usage.

Solutions

Quick Diagnosis

The error C-5351 will manifest on the screen as a startup failure or midway through heavy print jobs. Check for paper crinkling as an indicator of failed heat bonding.

Step-by-step Solution

  1. Open Side Door: Open the right side panel to access the fuser unit assembly.
  2. Clear Obstructions: Carefully remove any jammed paper or residue from the fuser rollers.
  3. Service Mode Reset: Use service mode to clear the thermal error logs and restart the unit.

Prevention and Maintenance

Use only recommended paper weights to prevent excessive heat buildup. Keep the fuser path free of adhesive dust and debris.

When to call a technician

Persistent recurrence of error C-5351 indicates component failure (lamp or thermistor) that requires a service engineer to resolve.

Ficha técnica del equipo

  • Technology: Color Laser MFP
  • Performance: 75 ppm
  • Connectivity: Gigabit Ethernet, USB 3.0
  • Feeding: Max 6,650 sheets
  • Consumables: TN-713 toner series
  • Recommended Use: Enterprise Production
  • Official Drivers/Firmware

Steps to follow

  1. 1

    Open Side Door

    Open the right side panel to access the fuser unit assembly.

  2. 2

    Clear Obstructions

    Carefully remove any jammed paper or residue from the fuser rollers.

  3. 3

    Service Mode Reset

    Use service mode to clear the thermal error logs and restart the unit.

Frequently asked questions

This error code signifies a fuser heating failure, indicating the system cannot reach operational temperature.

If cleaning does not resolve the issue, the heating lamp or thermistor likely requires replacement.

It uses the TN-713 series toner cartridges.

Avoid poor-quality labels and schedule maintenance every 100,000 pages.

Error C-5351 Konica Minolta bizhub C750i: Fix | Vimazdev