HP Office Jet Pro 6978 after router upgrade I am unable to use scanner function on my printer Errorsdoc » Questions » HP Office Jet Pro 6978 after router upgrade I am unable to use scanner function on my printer 1.83K viewsAugust 13, 2018 0 Carol Henderson (anonymous) July 17, 2018 0 Comments Hi–I have a HP Office Jet Pro 6978 and I have upgraded my router and now Iam unable to use the scanner function on my printer venmartin Changed status to publish August 13, 2018 Add a Comment 0 Answers ActiveVotedNewestOldest Write your answer. Register or Login