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tec966
03-31-2022, 07:33 AM
Can anyone help me about the problem in the attached file ?
Dev unit k, drum unit k, Hight Voltage Unit and FRB board already replaced...
Thanks

Gift
03-31-2022, 07:53 AM
That diagonal pattern usually indicates developer drainage. Did you swap the dev unit first and without other parts - and was the problem gone for a while?

If that was the case you probably have to change it again - a faulty drum unit or hv can cause this problem over a period of time.

tsbservice
03-31-2022, 09:17 AM
Look at the back of machine and make sure air ducts on the rear frame (inside the Main Drive Unit) are not blocked. ITB over life also should be changed.

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