HP LaserJet M1000 User Guide - Page 101
Solving print-media problems, The following problems with media cause print-quality deviations
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CAUTION: Failure to follow these guidelines could cause jams or damage to the device. Solving print-media problems The following problems with media cause print-quality deviations, jamming, or even damage to the device. Problem Cause Solution Poor print quality or toner adhesion The paper is too moist, too rough, too heavy or too smooth, or it is embossed or from a faulty paper lot. Try another kind of paper, between 100 and 250 Sheffield, with 4 to 6% moisture content. Dropouts, jamming, or curl The paper has been stored incorrectly. Store paper flat in its moisture-proof wrapping. The paper has variability from one side Turn the paper over. to the other. Excessive curl The paper is too moist, has the wrong grain direction, or is of short-grain construction Use long-grain paper, or use the Less paper curl setting. See Reducing paper curl on page 100. The paper varies from side-to-side. Turn the paper over. Jamming, damage to device The paper has cutouts or perforations. Use paper that is free of cutouts or perforations. Problems with feeding The paper has ragged edges. Use high-quality paper that is made for laser printers. The paper varies from side-to-side. Turn the paper over. The paper is too moist, too rough, too heavy or too smooth, has the wrong grain direction, or is of short-grain construction or it is embossed or from a faulty paper lot. Try another kind of paper, between 100 and 250 Sheffield, 4 to 6% moisture content, or use long-grain paper. Print is skewed (crooked). The media guides might be incorrectly adjusted. Remove all media from the input tray, straighten the stack, and then load the media in the input tray again. Adjust the media guides to the width and length of the media that you are using and try printing again. More than one sheet feeds The media tray might be overloaded. at one time. Remove some of the media from the tray. See Loading media on page 24. The device does not pull media from the media input tray. The media might be wrinkled, folded, or Verify that the media is not wrinkled, folded, or damaged. damaged. Try printing on media from a new or different package. The device might be in manual feed mode. ● If Manual feed appears on the device control-panel display, press Menu/Enter to print the job. ● Verify that the device is not in manual feed mode and print your job again. The pickup roller might be dirty or damaged. Contact HP Customer Care. See the support flyer that came in the device box. The paper-length adjustment control in tray 1 is set at a length that is greater than the media size. Adjust the paper-length adjustment control to the correct length. ENWW Print problems 89