Why does it function in the morning and suddenly prevent from the afternoon, without any components improvements (my circumstance). Is this a programmed problem to push profits? A uniform layout flaw? I desire to get out to the printer organization by driving faithful clients for their competition? I just would http://hpphotosmart7520generalpr39508.digiblogbox.com/17599061/hp-photosmart-7520-problem-with-printer-or-ink-system-for-dummies