![](/images/backgrounds/286708/hp-lj-1100-users-manual-549199261x1.png)
Vertical dots
•The static eliminator teeth are dirty.
•There is poor contact between the static eliminator and the ECU.
•The transfer roller is dirty or defective.
•The ECU is defective.
Vertical white lines
•The media does not meet HP specifications.
•The toner cartridge is empty or defective.
•The fuser is defective or dirty.
•The laser/scanner assembly is defective or dirty.
1200 series only | 9 |
•The platen is dirty.
White spots on black
•The media does not meet HP specifications.
•The toner cartridge is damaged or defective.
•The printer operating environment does not meet HP specifications.
EN | Image defect details 259 |