HP 3015 Service Manual - Page 238
Cause, Solution, HP LaserJet, HP LaserJet 3020, and 3030, Scanned images have black dots or streaks.
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Scanned images have black dots or streaks. Cause Solution The scanner glass is dirty. Clean the ADF path and flatbed glass. See, Cleaning the product. The toner drum in the print cartridge is damaged. Replace the print cartridge. A problem exists with the scanner assembly. Replace the scanner assembly. HP LaserJet 3015: see, Scanner assembly. HP LaserJet 3020 and 3030: Scanner assembly. Scanned text is not clear. Cause Solution The contrast, resolution, or brightness needs to be 1. Adjust the contrast and resolution settings adjusted before scanning. from the HP Toolbox. 2. Check that the contrast and resolution settings are correct. See the user guide section for more information. The original is on colored paper. If the original is on colored paper, including brown recycled paper, the text might not be clear. Try adjusting the resolution, contrast, and brightness settings from the HP Toolbox. There is a problem with the scanner assembly. Replace the scanner assembly. HP LaserJet 3015: see, Scanner assembly. HP LaserJet 3020 and 3030: Scanner assembly. 220 Chapter 6 Troubleshooting ENWW