HP M4345 User Guide - Page 232
Media-handling problems, Problem, Cause, Solution
UPC - 882780548619
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Problem Unwanted lines appear on the copy. AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc Black dots or streaks appear on the copy. Copies are too light or dark. Text is unclear. Cause Tray 1 or tray 2 might not be installed correctly. The flatbed scanner or the ADF glass might be dirty. The photosensitive drum inside the print cartridge might have been scratched. Solution Verify that the tray is in place. Clean the flatbed scanner or the ADF glass. See Clean the device. Install a new HP print cartridge. See Change the print cartridge. Ink, glue, correction fluid, or an unwanted substance might be on the automatic document feeder (ADF) or flatbed scanner. Clean the device. See Clean the device. The darkness setting needs to be adjusted. Touch Copy, and then touch Image Adjustment. Adjust the Darkness slider to lighten or darken the image. The sharpness setting needs to be adjusted. The image should be optimized for text. To adjust the sharpness, touch Copy, and then touch Image Adjustment. Adjust the Sharpness slider to the right to increase the sharpness. To optimize the image for text, touch Copy and then touch Optimize Text/ Picture. Select Text. Media-handling problems Problem Poor print quality or toner adhesion Dropouts, jamming, or curl Excessive curl Jamming, damage to device 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. 220 Chapter 11 Problem solving ENWW