HP Deskjet 6988dt Printer - Manual (Page 122)

Streaks appear in a light portion of a photo
If streaks appear in a light portion of a photo, approximately 63 mm (2.5 inches) from one
of the long edges of the photo, try the following solutions:
If streaks appear in a light portion of a photo, approximately 63 mm (2.5 inches) from one
of the long edges of the photo, install a
photo print cartridge in the printer.
Horizontal lines appear on a photo
If light or dark horizontal lines appear on photos:
1.
Clean the print cartridges.
2. Reprint the photo.
3. If the lines still occur, align the print cartridges.
4. Reprint the photo.
Image is printed at an angle
Chapter 11
120 HP Deskjet 6980 series