HP OfficeJet Pro 7720 cannot print from computer. printer its online,so is my computer is online Errorsdoc » Questions » HP OfficeJet Pro 7720 cannot print from computer. printer its online,so is my computer is online 2.28K viewsAugust 13, 2018 0 Barbara (anonymous) June 25, 2018 0 Comments I cannot get my HP OfficeJet Pro 7720 printer to print from my computer. my printer says it is on line, and obviously my computer is on line. venmartin Changed status to publish August 13, 2018 Add a Comment 0 Answers ActiveVotedNewestOldest Write your answer. Register or Login