HP Color LaserJet CP2020 Service Manual - Page 224

Paper-handling problems Clear jams Common causes of jams Common causes of jams Cause Solution The paper length and width guides are not adjusted correctly. Adjust the guides so they are against the paper stack. The media does not meet specifications. Use only media that meets HP specifications. See Understand paper and print media use on page 22. You are using media that has already passed through a printer Do not use media that has been previously printed on or or copier. copied. An input tray is loaded incorrectly. Remove any excess media from the input tray. Ensure that the stack is below the maximum stack height mark in the tray. See Supported paper types and tray capacity on page 25. The media is skewed. The tray guides are not adjusted correctly. Adjust them so they hold the stack firmly in place without bending it. The media is binding or sticking together. Remove the media, flex it, rotate it 180°, or flip it over. Reload the media into the input tray. NOTE: Do not fan paper. Fanning can create static electricity, which can cause paper to stick together. The media is removed before it settles into the output bin. Wait until the page completely settles in the output bin before removing it. The media is in poor condition. Replace the media. The internal rollers from the tray are not picking up the media. Remove the top sheet of media. If the media is heavier than 176 g/m2 (47 lb), it might not be picked from the tray. The media has rough or jagged edges. The media is perforated or embossed. Replace the media. Perforated or embossed media does not separate easily. Load sheets one at a time. Media was not stored correctly. Replace the media in the trays. HP recommends that media should be stored in the original packaging in a controlled environment. 204 Chapter 7 Problem solve ENWW