Sadly the new cyan drum unit (dev drive) was jammed solid, so the machine dev drive coupling shattered upon installation of the unit - i'll never again forget to check that before install, as the coupling is not available separately, one has to procure the entire main drive unit at about $700. 3 PS14 I/O check, sensor check PFTDB CN10-10 (ON) Q-4 4 M8 operation check PFTDB CN22-9 to 10 X-4 5 Change M8 - 6 Change PFTDB - 7 Change PRCB.2 Check the connector of M8 for proper drive coupling and correct as necessary. My technician came and knew the problem was from Cyan Toner, the toner which i insert it was melt (balls balls) and not in fine powder form. Remedy: 1 Check the M8 connector for proper connection and correct as necessary. ![]() 14,153 satisfied customers I have a bizhub 250 and the touch panel appears to be I have a bizhub 250 and the touch panel appears to be frozen. I'm experiencing problem with my bizhub c452, it first started to show trouble code c2251 and now showing trouble code c2204. Konica-Minolta bizhub C754 Error Code: C2204 Code: C2204 Description: Waste toner transport motor’s failure to turnThe waste toner lock sensor (PS23) continues to be blocked or unblocked for a predetermined period of time when the motor is turning. Here was the problems: read more Russell H. ![]() Here's the history - due to poor print quality & replace warnings, client bought 4 new (yeah, could be reman) process units from China & got me out to fit Aussie chips to them & install - the machine was working fine before i touched it aside from C/Q issues The problem is getting my twain scanner to work with the Konica Minolta c35. ![]() This error code does not occur during "cleaning" (first mode after power-up & boot) unless i deliberately jam the waste toner auger in which case the error occurs within about a second - but soon as the machine goes into "stabilizing image" mode the error occurs within about a second I have the service manual & have checked everything, M20 works fine, gears rotate, little flag in waste box does its' thing, window is clear, tested sensor PS23 & swapped it with waste toner full sensor & tested that correct voltages appear at CN24PRCB pin 4 & all appears OK (switches between 3.3V & 0v when either the flag or my finger blocks the sensor), Service Mode/State Confirmation/Sensor Check does not include a test for this sensor C2204: Waste toner agitating motor’s failure to turn
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