HP6900 printer on my computer. i want to add another computer and its asking for a WP Pin Errorsdoc » Questions » HP6900 printer on my computer. i want to add another computer and its asking for a WP Pin 1.87K viewsAugust 13, 2018 0 L. D. Thatcher (anonymous) July 13, 2018 0 Comments I just set up an HP6900 printer on my computer. i want to add another computer and its asking for a WP Pin. I cant find that anywhere on the printer venmartin Changed status to publish August 13, 2018 Add a Comment 0 Answers ActiveVotedNewestOldest Write your answer. Register or Login