HP printer 6978 prints only in black and have no color Errorsdoc » Questions » HP printer 6978 prints only in black and have no color 2.57K viewsSeptember 12, 2018 0 Gene (anonymous) September 12, 2018 0 Comments I have an HP printer 6978 less than two yrs old replaced color cartridges but have no color it’s working with black only venmartin Changed status to publish September 12, 2018 Add a Comment 0 Answers ActiveVotedNewestOldest Write your answer. Register or Login
