Hi lawetia,
Let's try a few hardware steps: http://h10025.www1.hp.com/ewfrf/wc/documentSubCategory?tmp_rule=77936&tmp_task=solveCategory&cc=us&dlc=en&lc=en&product=4323659
And then if it's okay printer-wise, let's see if the software is causing this: http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02205477&tmp_task=solveCategory&cc=us&dlc=en&lc=en&product=4323659