In November we flew this route and a couple of days before we left calis, Pegasus emailed and invited us to book in online. So thinking it would save time I did and then was asked to print off the boarding cards. We haven't got a printer so we asked a friend to print off the documents. The paperwork was accepted at Dalaman but when we got to Sabitha Gokcen and queued up (with hundreds of other people) to go through passport control the passport police wouldn't accept them. We then had to fight our way back through the crowds to check-in (and apologies to anyone in the queue)went straight to the front, got the boarding cards and then pushed our way back to the front of the queue at passport control! We made the plane with 10 minutes to spare! I will not be making that mistake again.