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Re: Shows error code CO900
A C0900 is a paper tray problem. Try to check your paper trays and make sure that there is not any paper in the paper tray wrong or doubled up in the paper tray, it may hender the paper tray from liftting in time.
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DID you mean C-0960!!! C-0860 does not exist in the service manual. Check your bypass tray right side. For something jammed if no need to get a tech out for Konica Minolta. I believe there was a technical bulletin issued in regards to that error several years ago.
The out tray elevation motor failure, did some leave a trash can or some boxes below the output tray and they hit them:(:(:(. STORE NOTHING UNDER THE OUTPUT TRAYS!!!!. Rear cover of the finisher need to be removed, then the elevation drive motor assy removed BE CARE FULL THE TRAYS WILL FALL HARD FAST, so you most now how to that correctly Recommend a Konica Minolta Tech come out or the motor is bad worse case the control board for the entire finisher is bad!!!!
COBAo = Elevate mechanism malfunction.
The exit tray home position sensor is not blocked even after the lapse of a given period of time after the tray has started moving up.
An encoder clock input is not detected within a given period of time during operation of the tray.Check the sensors,motors and his connectors.
How to reset:
1. Press the trouble reset switch on the Tech.Rep.Setting Switches Board to reset the following malfunctions:scanner,fusing,exposure related malfunctions and C3FF.
2. For any other malfunctions open and close the front door or turn OFF and ON the power switch.
That error code usually indicates a problem with the bottom paper tray. Make sure the paper is loaded properly and that all the paper is aligned properly. Take all the paper out of the tray and reload it.