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KM C227 Vertical Lines when the print has coloured elements on the page
Hi there!
End user is struggling with a KM C227 from some time now. The machine was constantly printing with a magenta hue on all colour pages and the calibration procedures helped a bit whenever the issue was present.
All drums and developing units were changed in the past as they were approaching end of life, but the magenta issue came back after a while and it consumed extra toner. There was also a lot of ejected toner inside the machine.
Now, the machine prints thick vertical lines which seem to be composed of Y, C BK and some M. I've attached a sample print.
Any idea what could be causing the issue? Drums and belt look ok. Possibly the laser unit is dirty?
Moreover, the machine also shows and error C-0202 for Tray 1 . I found some jammed paper in the lift mechanism for Tray 1, but it seems that the motor or sensor is damaged.
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