Outline
Maintenance
Adjustment / Setting
T
roubleshooting
Appendix
Field Service Ver. 1.0 Jun. 2008
ix
17.5.6
C2254: Color PC motor’s turning at abnormal timing ............................... 300
17.5.7
C225D: Color dev. unit engagement/disengagement failure..................... 300
17.5.8
C2451: Release new transfer belt unit ...................................................... 301
17.5.9
C2551: Abnormally low toner density detected cyan TCR sensor ............ 301
17.5.10 C2553: Abnormally low toner density detected magenta TCR sensor ..... 301
17.5.11 C2555: Abnormally low toner density detected yellow TCR sensor.......... 301
17.5.12 C2552: Abnormally high toner density detected cyan TCR sensor .......... 302
17.5.13 C2554: Abnormally high toner density detected magenta TCR sensor .... 302
17.5.14 C2556: Abnormally high toner density detected yellow TCR sensor ........ 302
17.5.15 C2557: Abnormally low toner density detected black TCR sensor ........... 302
17.5.16 C2558: Abnormally high toner density detected black TCR sensor.......... 303
17.5.17 C2559: Cyan TCR sensor adjustment failure............................................ 303
17.5.18 C255A: Magenta TCR sensor adjustment failure...................................... 303
17.5.19 C255B: Yellow TCR sensor adjustment failure.......................................... 303
17.5.20 C255C: Black TCR sensor adjustment failure........................................... 303
17.5.21 C2650: Main backup media access error.................................................. 304
17.5.22 C2651: EEPROM access error (IU C)....................................................... 305
17.5.23 C2652: EEPROM access error (IU M) ...................................................... 305
17.5.24 C2653: EEPROM access error (IU Y)....................................................... 305
17.5.25 C2654: EEPROM access error (IU K)....................................................... 305
17.5.26 C2A01: EEPROM access error (TC C) ..................................................... 305
17.5.27 C2A02: EEPROM access error (TC M)..................................................... 305
17.5.28 C2A03: EEPROM access error (TC Y) ..................................................... 305
17.5.29 C2A04: EEPROM access error (TC K) ..................................................... 305
17.5.30 C3101: Fusing roller separation failure ..................................................... 306
17.5.31 C3201: Fusing motor failure to turn .......................................................... 306
17.5.32 C3202: Fusing motor turning at abnormal timing...................................... 306
17.5.33 C3301: Fusing cooling fan motor/ 1 failure to turn .................................... 307
17.5.34 C3302: Fusing cooling fan motor/ 2,3 failure to turn ................................. 307
17.5.35 C3421: Fusing heaters trouble (heating side) ........................................... 308
17.5.36 C3423: Fusing heaters trouble (pressurizing side) ................................... 308
17.5.37 C3721: Fusing abnormally high temperature detection (heating side) ..... 308
17.5.38 C3723: Fusing abnormally high temperature detection (pressurizing side)
.................................................................................................................. 308
17.5.39 C3821: Fusing abnormally low temperature detection (heating side) ....... 309
17.5.40 C3823: Fusing abnormally low temperature detection (pressurizing side) 309
17.5.41 C4151: Polygon motor rotation trouble (C)................................................ 309
17.5.42 C4152: Polygon motor rotation trouble (M) ............................................... 309