What to Do When clearing an impediment to print head holder motion, be careful not to touch clear film (A), white belt (B), or tubes (C). If you soil or scratch this part by touching it with paper or your hand, it could damage the printer
Loading Plain Paper / Photo Paper in the Rear Tray The wrong paper settings may cause poor printout color quality or scratches on the printed surface. ... When this function is enabled, an error message is displayed if these settings don't match to prevent incorrect printing. When this error message is displayed, check and correct the paper settings. ... If the paper falls, the printed side may become dirty or scratched .