HP M3027 Service Manual - Page 258

Troubleshoot media-handling problems If media is feeding incorrectly, use the information in this section to identify and resolve the problem. Multiple pages feed Table 6-5 Causes for multiple pages feeding Cause Solution Too much media (particularly envelopes) is loaded in tray 1. Remove some of the media and resend the print job. The separation rollers and pads in the trays are worn or damaged. Replace the rollers and pads. The media edges are locked together. Flex the media stack before loading it into the device. Do not fan the media. The spring pushing the separation roller or pad is defective. Replace the spring. The media is of poor quality. Check the media type and quality (see Media specifications on page 15). Pages are wrinkled or folded Table 6-6 Causes for wrinkled or folded paper at the paper-path entrance Cause Solution The feed rollers or registration rollers are dirty or defective. The paper path contains foreign substances or dirt. Replace the affected rollers. Remove any foreign substances or dirt from the paper path. The cartridge shutter open/close mechanism is damaged. (This can cause jams in which the media is crumpled into an accordion fold under the print cartridge.) The shutter in the print cartridge should open as you insert the cartridge. If a shutter does not open, replace the print cartridge. The registration assembly is defective. If the registration arm is dirty, clean it. If the arm is scarred or worn, replace the registration assembly (see Registration assembly on page 183. Table 6-7 Causes for wrinkled or folded paper at the paper-path exit Cause The fuser inlet guide is dirty. The fuser pressure roller is dirty or damaged. Solution Replace the fuser (see Fuser on page 139). Run several cleaning pages through the device. If the problem persists, replace the fuser (see Fuser on page 139). 246 Chapter 6 Troubleshooting ENWW