HP LaserJet 3100 All-in-One Printer series - Manual (Page 218)

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