Originally Posted by
JrTech
I am sure that the last post was but it is not intended for this thread as this machine has no IBT assy nor any color. This is a 65ppm BW MFP.
Ok so if you ran diagnostics component control dC330 06-020 and the ROS unit makes the distinct elevated noise for about 5 secs from the time it is turned on. Check the wiring harness from the laser to the IOT PWB board under the plastic cover in the rear of the platen glass. Its the plastic that goes around the DADF hinges on the machine. Remove that cover and check the connectors plug PJ2, unplug and re plug. Turn on the machine and see if error persists. If it does then remove the Single Board Controller assy, control panel, DADF, rear and L/R covers (assuming the finisher has already been disengaged from the machine) and drum. There is 2 screws in the front under the control panel on the metal frame usually has a blue spacer, on right rear and left rear there is one screw. Lift and remove the platen. Now you can see the ROS unit. Check the connectors. If you get another laser make sure that it is for the machine speed that you have.
Hope that helps
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