HP 16V - Manual (Page 127)

Print Quality Problems
Problem
Printing is too light
Printing is too dark
Page is black
Page is blank
Vertical density is uneven
Vertical white lines appear
Vertical clear black lines appear
Vertical blurred black lines
appear
Ghost printing
Solutions
Turn the print density dial
clockwise.
Check to see if your paper is wet.
Remove the print unit and rock it
to distribute the toner evenly.
Clean the corona wire.
Turn the print density dial
counterclockwise.
Clean the precharger wire.
Replace the print unit.
Clean the corona wire.
Replace the print unit.
Clean the corona wire.
Clean the precharger wire.
Remove the print unit and rock it
to distribute the toner evenly, or
replace the print unit.
Clean the corona wire.
Clean the precharger wire.
Clean the precharger wire.
Contact your dealer if the fuser
unit is damaged.
Print several pages if this problem
occurs after a paper jam.
Clean the corona wire.
Check to see if your paper is wet.
Contact your dealer if the fuser
unit is damaged.
5-12 User’s Manual