I recently purchased a KM C451 machine and it worked fine until I did app. 200 prints on 160g/m2 mondi color copy paper.
Then it started leaving huge stains (of only black toner) on one half of the paper (pdf SKMBT_C45113083121040.pdf))
I was printing with Thick2 settings from tray4 (but looking into service mode there are no differences for different kinds of paper - all settings are on 0).
I looked into the machine and since then there is black toner on the black IU. I cleaned it and at next test same thing happened again. See pictures bellow.
Machine has app. 350.000 prints, all info about consumables seems they are in good condition. It worked fine before using thick paper.
Can anybody, please, give some advice?
I am not a service expert but have been working with these machines for 2 years and know how to handle some basic stuff.
Thank you.
konica-c451-toner-IMG_20130901_035310-2.jpgkonica-c451-toner-IMG_20130901_035310.jpg
Then it started leaving huge stains (of only black toner) on one half of the paper (pdf SKMBT_C45113083121040.pdf))
I was printing with Thick2 settings from tray4 (but looking into service mode there are no differences for different kinds of paper - all settings are on 0).
I looked into the machine and since then there is black toner on the black IU. I cleaned it and at next test same thing happened again. See pictures bellow.
Machine has app. 350.000 prints, all info about consumables seems they are in good condition. It worked fine before using thick paper.
Can anybody, please, give some advice?
I am not a service expert but have been working with these machines for 2 years and know how to handle some basic stuff.
Thank you.
konica-c451-toner-IMG_20130901_035310-2.jpgkonica-c451-toner-IMG_20130901_035310.jpg
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