114 6 Troubleshooting6.5 Paper Feeding ProblemsSymptom Cause/RemedyPaper does not feed properly.Paper jams occur.Multiple sheets feed at once.Paper feeds skewed.Output is wrinkled.Is the paper loaded correctly?Reload the paper correctly. Before loading labels or envelopes, fan them to make surethat they are separated.If using coated paper, load one sheet at a time.Isn't the paper damp?Load fresh paper.Is the paper appropriate for the printer?Load appropriate paper. Paper may still wrinkle depending on its type or condition.Refer to• "Supported Paper" (P. 72)Are the paper tray pushed in completely?Push the tray firmly into the printer.Is the printer installed on a level surface?Install the printer on a level and sturdy surface.Are the paper guides adjusted properly?Adjust the paper guides properly.Refer to• "4.2 Loading Paper" (P. 77)These problems can happen if you add paper on top of paper that is still in a paper tray.Fan the paper loaded in the tray and reload it into the tray. Add paper to the tray onlywhen the tray is out of paper.Are you trying to print on postcards with pre-printed pictures?If you load postcards with printed pictures, the anti set-off powder sticks to the feedrollers preventing the postcards from being fed properly. In such case, clean the feedrollers.Refer to• "Cleaning the Feed Roller" (P. 171)The feed rollers may be worn out or have reached their end-of-life.Clean the feed rollers.If the problem persists, the feed rollers must be replaced depending on their conditions.Contact our Customer Support Center or your dealers.Refer to• "Cleaning the Feed Roller" (P. 171)When loading the paper into the manual feeder, correctly insert the paper straight intothe manual feeder slot.If the paper is inserted diagonally, remove the paper and insert it again. Also, insert onlyone sheet of paper at a time into the manual feeder.When performing manual 2-sided printing, is the paper curled? Straighten the paperbefore loading it.