Error codes konica minolta

Code: C2559, C255A, C255B
Description:
• C2559: Cyan TCR sensor adjustment failure • C255A: Magenta TCR sensor adjustment failure • C255B: Yellow TCR sensor adjustment failure
TCR sensor automatic adjustment does not function properly, failing to adjust to an appropriate value.
Causes:
• Imaging unit/C • Imaging unit/M • Imaging unit/Y • PH relay board (PHRYB)
Remedy:
1. Reinstall the imaging unit. 2. Replace the corresponding imaging unit. 3. Replace PHRYB.