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C2558 (bizhub 287/227)
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Contents
| Trouble type | C2558: Abnormally high toner density detected black TCR sensor |
| Rank | B |
| Trouble detection condition | The TC ratio of the toner determined by the toner replenishment control is detected to be the predetermined value or over for consecutive times. |
| Trouble isolation | – |
| Relevant electrical parts | -Developing unit/K -Toner cartridge/K -MFP board (MFPB) |
Procedure
- Reinstall developing unit/K.
- Reinstall toner cartridge/K.
- Check the connector between the developing unit-relay CN15-MFPB CN17E for proper connection and correct as necessary.
- Replace the developing unit/K. (Part# A7Y003D)
- Replace MFPB. (Part# A7AHH0201D)
K.3.9.5 (Link to the Field Service Manual)