Table 5-3. Solving image quality problems Problem Cause Solution Vertically- aligned black streaks or smears appear on successive pages. The HP LaserJet 1100 Printer needs to be cleaned. See “Cleaning procedures” in this chapter. The toner cartridge is damaged. Replace the toner cartridge if maintenance procedures do not improve print quality. There is a problem in the heating element. Perform the “Heating element check,” which is discussed later in this chapter. If scanned images have unwanted lines through them: There is ink, glue, white-out, or some other substance on the contact image sensor. See “Cleaning procedures” in this chapter.
Slick paper caused the document scanner trouble in scanning. Use a carrier sheet to send the item. The HP LaserJet 1100 Printer needs to be recalibrated. Recalibrate the product. 128 Troubleshooting/Maintenance C4224-90962