c-2559AccurioPress C6100

Konica Minolta AccurioPress C6100 error C-2559: ATDC Fault 2

The Konica Minolta AccurioPress C6100 error C-2559 indicates that the ATDC sensor has reported out-of-range values repeatedly. Unlike the previous error, this code usually signals a structural failure or critical reading fault of the density control component, halting operation until technical intervention.

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Common causes

  • 1Critical ATDC sensor failure.
  • 2Control board (Engine Board) failure.
  • 3Inadequate toner/developer mixture.
  • 4Extreme wear of the magnetic roller.

Solutions

Quick Diagnosis

If after attempting F8 initialization the error reappears, the sensor has surpassed its life or has an internal communication failure.

Step-by-step solution

  1. Inspection: Check if the developer is at the correct level.
  2. Calibration: Attempt to force the sensor adjustment again.
  3. Wiring: Verify integrity of the sensor cable to the board.
  4. Replacement: Change the ATDC sensor of the affected color.

Prevention and maintenance

Avoid the use of generic toners and maintain a strict developer replacement schedule as recommended by the brand.

When to call a technician

The C-2559 fault requires high-level intervention in the developer unit. Contact a specialist.

Technical specifications

  • Technology: High-production digital printing
  • Compatible consumable: TN-622
  • Recommended use: Industrial graphic
  • Drivers / official firmware

Frequently asked questions

C-2559 is a persistent or more severe fault in the same ATDC sensor, indicating repeated out-of-range readings.

Yes, the equipment automatically stops for safety.

Original TN-622.

Highly probable after failed calibration attempts.