Printers Error Code
Systems & Devices
Printers

50.6 | Fuser error

Industry
Systems & Devices
Canonical
/systems/printers/error-codes/50-6/
Last Updated
Feb 27, 2026
Summary

The printer detected a fuser/heater problem and stopped to prevent damage.

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What This Code Means

50.x codes on many laser printers relate to the fuser assembly (the heated rollers that bond toner to paper). A 50.6 style error typically indicates the fuser did not reach/maintain the expected temperature or the fuser circuit reported a fault.

Where Users Usually See This Code

  • Printer control panel during warm-up or printing
  • Right after power-on or after a long idle period

Why This Code Appears

  • Fuser assembly failure or worn components
  • Power/voltage irregularities affecting heater control
  • Connector/contacts issues between fuser and printer

What Typically Happens Next

  • Printing stops and the printer may require service

What This Code Is Not

  • It is not an ink cartridge error
  • It is not a driver/software-only issue

Troubleshooting Checklist

  • Power off and allow the printer to cool before handling
  • Reseat the fuser if the model supports user-replaceable fusers
  • Check for official maintenance kit replacement guidance
  • Use manufacturer service procedures for electrical parts; avoid unsafe DIY repairs

Notes And Edge Cases

Fuser components can be hot; follow safety instructions from the manufacturer.

Related Codes

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