HP 1500 Series - Manual (Page 74)

72 Problem solving and maintenance ENWW
Solving issues with all printed documents
The examples below depict letter-size paper that has passed through the printer short-edge first.
These examples illustrate problems that would affect all pages you print, whether you print in
color or in black only. The topics that follow list the typical cause and solution for each of these
examples.
Light print or fade Toner specks Dropouts Vertical lines
Gray background Toner smear Loose toner Repetitive defects on
the front
Repetitive defects on
the back Misformed characters Curl or wave Page skew
Wrinkles or creases Toner scatter outline Random image
repetition (light) Random image
repetition (dark)