HP 3100 HP LaserJet 3100 - Product User's Guide, C3948-90970 - Page 218

Problem Cause Solution Vertically-aligned black streaks or smears appear on successive pages. The toner cartridge may be damaged. See "Managing HP LaserJet toner cartridges" in chapter 4. Replace the toner cartridge if maintenance procedures do not improve print quality. The HP LaserJet 3100 product may need See "Cleaning the scanner path" in this cleaning. chapter. Horizontally aligned black streaks or smears appear. The toner cartridge may not be properly installed. Make sure you removed the entire length of the sealing tape from the toner cartridge before you installed it. See "Installing the toner cartridge" in chapter 1. The toner cartridge may be defective and The toner cartridge may still be under need replacing. warranty. See "Warranty information" in appendix B. Light character shadows or repetitive marks appear on the page. The HP LaserJet 3100 product may need See "Cleaning the scanner path" in this cleaning. chapter. If you are using transparencies, they may Order HP's paper specification guide. See not meet HP's specifications. "Ordering parts" in this chapter. The paper's texture may be too coarse. Try changing to a paper with a smoother finish. The toner cartridge may be damaged, causing a repetitive black flaw on every printout. The toner cartridge may still be under warranty. See "Warranty information" in appendix B. The toner cartridge's photosensitive drum The toner cartridge may still be under may have been overexposed to bright warranty. See "Warranty information" in light, causing repetitive defects (usually a appendix B. fuzzy black area). EN 9 Troubleshooting and Maintenance 217