Canon PIXMA MP280 On-Screen Manual - Page 636

Paper Does Not Feed Properly Advanced Guide > Troubleshooting > Paper Does Not Feed Properly U326 Paper Does Not Feed Properly Check 1: Make sure of the following when you load paper. When loading two or more sheets of paper, flip through the paper before loading. Page 636 of 707 pages When loading two or more sheets of paper, align the edges of the sheets before loading. When loading two or more sheets of paper, make sure that the paper stack does not exceed the paper load limit. However, proper feeding of paper may not be possible at this maximum capacity depending on the type of paper or environmental conditions (either very high or low temperature and humidity). In such cases, reduce the sheets of paper you load at a time to less than half of the paper load limit. Always load the paper in portrait orientation, regardless of the printing orientation. When you load the paper on the Rear Tray, load the paper with the print side facing UP and slide the Paper Guides to align with the both sides of the paper. Loading Paper / Originals Check 2: Check to see if the paper you are printing on is not too thick or curled. Loading Paper / Originals Check 3: Make sure of the following when you load envelopes. When printing on envelopes, refer to Loading Paper / Originals , and prepare the envelopes before printing. Once you have prepared the envelopes, load them in portrait orientation. If the envelopes are placed in landscape orientation, they will not feed properly. Check 4: Make sure that there are not any foreign objects in the Rear Tray.