Konica-Minolta bizhub C360 Error Codes

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Code

C2556

Description

Abnormally high toner density detected yellow TCR sensor
• TC ratio in the developing unit, which is determined by toner replenishing amount control mechanism, is a predetermined value or more for a given number of times consecutively.

Remedy

1 Reinstall developing unit. 2 Reinstall toner cartridge. 3 Check the connector between developing unit-FREYB CN4, CN6, CN8, CN10 for proper connection and correct as necessary. 4 Check the connector between FREYB CN1, CN2-PRCB CN4, CN5 for proper connection and correct as necessary. 5 Change developing unit. 6 Change FREYB. 7 PRCB ICP12 conduction check. 8 Change PRCB.