Konica Minolta bizhub C280 Service Manual - Page 47

bizhub C360/C280/C220 OUTLINE MAINTENANCE TROUBLESHOOTING ADJUSTMENT / SETTING Field Service Ver. 1.0 Jul. 2009 19.5.42 C2254: Color PC drum motor's turning at abnormal timing 631 19.5.43 C225D: Color developing unit de-engagement failure 631 19.5.44 C2355: Transfer belt cleaner cooling fan motor's failure to turn 632 19.5.45 C2411: Developing unit (C) new article release 632 19.5.46 C2412: Developing unit (M) new article release 632 19.5.47 C2413: Developing unit (Y) new article release 632 19.5.48 C2414: Developing unit (K) new article release 632 19.5.49 C2551: Abnormally low toner density detected cyan TCR sensor 633 19.5.50 C2553: Abnormally low toner density detected magenta TCR sensor ..... 633 19.5.51 C2555: Abnormally low toner density detected yellow TCR sensor ......... 633 19.5.52 C2557: Abnormally low toner density detected black TCR sensor 633 19.5.53 C2552: Abnormally high toner density detected cyan TCR sensor .......... 634 19.5.54 C2554: Abnormally high toner density detected magenta TCR sensor.... 634 19.5.55 C2556: Abnormally high toner density detected yellow TCR sensor........ 634 19.5.56 C2558: Abnormally high toner density detected black TCR sensor ......... 634 19.5.57 C2559: Cyan TCR sensor adjustment failure 635 19.5.58 C255A: Magenta TCR sensor adjustment failure 635 19.5.59 C255B: Yellow TCR sensor adjustment failure 635 19.5.60 C255C: Black TCR sensor adjustment failure 635 19.5.61 C2561: Cyan TCR sensor failure 636 19.5.62 C2562: Magenta TCR sensor failure 636 19.5.63 C2563: Yellow TCR sensor failure 636 19.5.64 C2564: Black TCR sensor failure 636 19.5.65 C2650: Main backup media access error 637 19.5.66 C2A11: Drum unit/C new article release 638 19.5.67 C2A12: Drum unit/M new article release 638 19.5.68 C2A13: Drum unit/Y new article release 638 19.5.69 C2A14: Drum unit/K new article release 638 19.5.70 C3101: Fusing roller separation failure 639 19.5.71 C3201: Fusing motor failure to turn 639 19.5.72 C3202: Fusing motor turning at abnormal timing 639 19.5.73 C3302: Fusing cooling fan motor/2, 3 failure to turn 640 19.5.74 C3421: Fusing heaters trouble (Heating side 640 19.5.75 C3423: Fusing heaters trouble (Pressurizing side 640 19.5.76 C3721: Fusing abnormally high temperature detection (Center of the heating side 641 19.5.77 C3722: Fusing abnormally high temperature detection (Edge of the heating side 641 xx APPENDIX