HP 3390 HP LaserJet 3050/3052/3055/3390/3392 All-in-One User Guide - Page 366
The paper has variability from one side, to the other. - laserjet ink cartridge
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Problem Cause The flatbed scanner or the ADF glass might be dirty. Solution Clean the flatbed scanner or the ADF glass. See To clean the scanner glass (HP LaserJet 3052/3055/3390/3392 allin-one). Black dots or streaks appear on the copy. Copies are too light or dark. Text is unclear. The photosensitive drum inside the print cartridge might have been scratched. Install a new HP print cartridge. See Changing the print cartridge. Ink, glue, correction fluid, or an unwanted substance might be on the automatic document feeder (ADF) or flatbed scanner. Clean the all-in-one. See Cleaning the all-in-one. The printer driver or all-in-one software Verify that the quality settings are settings may be incorrect. correct. See Adjusting the copy quality. See the all-in-one software Help for more information about changing the settings. The printer driver or all-in-one software Verify that the quality settings are settings may be incorrect. correct. See Adjusting the copy quality. See the all-in-one software Help for more information about changing the settings. Media-handling problems Problem Poor print quality or toner adhesion Dropouts, jamming, or curl Excessive curl Jamming, damage to all-in-one Problems with feeding Cause Solution 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, 4 to 6% moisture content. 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. The paper is too moist, has the wrong grain direction, or is of short-grain construction Open the rear output bin, or use longgrain paper. The paper varies from side-to-side. Turn the paper over. The paper has cutouts or perforations. Use paper that is free of cutouts or perforations. 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. 348 Chapter 13 Troubleshooting ENWW