C2554 (bizhub C554/C454)
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Contents
| Trouble type | Abnormally high toner density detected magenta TCR sensor |
| Trouble code | C2554: Abnormally high toner density detected magenta TCR sensor |
| Rank | B |
| Detection timing | 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/C,M,Y,K -Toner cartridge/C,M,Y,K -Front side board (FRB) -Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Reinstall developing unit | – | – |
| 2 | Reinstall toner cartridge | – | – |
| 3 | Check the connector between developing unit-FRB CN13, CN14, CN15, CN16, CN10 for proper connection and correct as necessary. | – | – |
| 4 | Check the connector between FRB CN1, CN3-PRCB CN7, CN9 for proper connection and correct as necessary. | – | – |
| 5 | Replace the developing unit (Part# A2XN0ED) | – | – |
| 6 | Replace FRB (Part# A161H00501) | – | – |
| 7 | Replace PRCB (C554 Part# A2XKH00104 / C454 A4FJH00104) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.61. C2411, C2552, C2561)
- Link to the layout drawings for related parts by each trouble code (S.62. C2412, C2554, C2562)
- Link to the layout drawings for related parts by each trouble code (S.63. C2413, C2556, C2563)
- Link to the layout drawings for related parts by each trouble code (S.64. C2414, C2558, C2564)
K3.7.8 (Link to the Field Service Manual)