HP M5025 Service Manual - Page 482
Common causes of repeating jams
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Common causes of repeating jams Table 6-13 General jam causes Printer jams not related to a specific location. Cause The media does not meet specifications. A component is installed incorrectly. An input tray is loaded incorrectly. The media is skewed. The media is binding or sticking together. Solution Use only media that meets HP specifications. See Supported media weights and sizes on page 444. Verify that the print cartridge, duplexer, and fuser are correctly installed. If a repair part was installed in the device, verify that it was correctly installed. Check and see if it is time to install a ADF or engine maintenance kit. Remove any excess media from the input tray. Make sure that the stack is below the maximum stack height mark in the tray. The input-tray guides are not adjusted correctly. Adjust them so they hold the stack firmly in place without bending it. Remove the media, flex it, rotate it 180°, or flip it over. Reload the media into the input tray. NOTE Do not fan paper, which creates static electricity and can cause paper to stick together. The media is removed before it settles into the output bin. The media is in poor condition. The media has rough or jagged edges. The media is perforated or embossed. The media was not stored correctly. Wait until the page completely settles in the output bin before removing it. Replace the media. Replace the media. Perforated or embossed media does not separate easily. Feed single sheets from Tray 1. Replace the media in the trays. Media should be stored in the original packaging in a controlled environment. Table 6-14 ADF jams Jams in the ADF. Cause Solution The ADF pickup roller is not picking up the media. Remove the top sheet of media. If the media is heavier than 120 g/m2 (32 lb), it might not be picked from the tray. Use the scanner flatbed to print the job. The ADF pickup and feed rollers or separation pad are dirty, worn, or damaged. Clean the rollers and pad. If the rollers or pad are worn or damaged, replace the roller assembly. See User-replaceable parts on page 182. 452 Chapter 6 Troubleshooting ENWW