double vertical line down left side of page when scanning/copying from document feeder. HP Envy 7640 Errorsdoc » Questions » double vertical line down left side of page when scanning/copying from document feeder. HP Envy 7640 1.84K viewsAugust 13, 2018 0 Cheri DeLaRosa (anonymous) August 7, 2018 0 Comments I am getting a double vertical line down left side of page when scanning or copying from document feeder. HP Envy 7640 venmartin Changed status to publish August 13, 2018 Add a Comment 0 Answers ActiveVotedNewestOldest Write your answer. Register or Login