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Konica Minolta 3730DN Missing colors streaks and gaps in Magenta toner

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    Konica Minolta 3730DN Missing colors streaks and gaps in Magenta toner

    I had this and managed to resolve it, so I thought I would post the solution here for anyone else who has this same model.

    Symptom: one or more colors print blurry and with gaps or streaks in across the page.

    Cause: The waste toner became overfilled, and toner spilled out onto the LED bars that form the image on the OPC drum. (the LEDs that draw the image were blocked by toner).

    Solution: I used a stick with a kleenex on the end to gently rub away all of the toner from the LED bars. These bars are located along the bottom of the machine below each toner cartridge, they should look glassy. You must remove the toner waste container and all four cartridges to access this area. You must also empty or replace the waste container to prevent it happening again.

    Good luck. Reply here if you run into the same issue and I'll try to walk you through it.
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