Field Service Ver. 1.0 Oct. 2007
20.5.4
20.5.5
20.5.6
20.5.7
20.5.8
C2253: Color PC motor's failure to turn .................................................... 434
20.5.9
20.5.11 C2351: K toner suction fan motor's failure to turn ..................................... 435
20.5.16 C2552: Abnormally high toner density detected cyan TCR sensor .......... 437
20.5.17 C2554: Abnormally high toner density detected magenta TCR sensor .... 437
20.5.18 C2556: Abnormally high toner density detected yellow TCR sensor ........ 437
20.5.19 C2557: Abnormally low toner density detected black TCR sensor ........... 437
20.5.20 C2558: Abnormally high toner density detected black TCR sensor.......... 438
20.5.21 C2559: Cyan TCR sensor adjustment failure............................................ 438
20.5.22 C255A: Magenta TCR sensor adjustment failure...................................... 438
20.5.23 C255B: Yellow TCR sensor adjustment failure.......................................... 438
20.5.24 C255C: Black TCR sensor adjustment failure........................................... 438
20.5.26 C2651: EEPROM access error (IU C)....................................................... 440
20.5.27 C2652: EEPROM access error (IU M) ...................................................... 440
20.5.28 C2653: EEPROM access error (IU Y)....................................................... 440
20.5.29 C2654: EEPROM access error (IU K)....................................................... 440
20.5.30 C2A01: EEPROM access error (TC C) ..................................................... 440
20.5.31 C2A02: EEPROM access error (TC M)..................................................... 440
20.5.32 C2A03: EEPROM access error (TC Y) ..................................................... 440
20.5.33 C2A04: EEPROM access error (TC K) ..................................................... 440
20.5.36 C3202: Fusing motor turning at abnormal timing...................................... 441
xiii