We have an HP 5500dn printer and we use HP cartridges. After a couple weeks the cyan cartridge starts putting lines and dots on the paper. We have traded out the cartridges and in a few weeks the same thing happens. It is hard to believe that we keep purchasing bad ink cartridges from HP. The tech keeps telling us it is the cartridge, I believe there could be a problem in the printer somewhere. Anyone else dealt with this.
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