Xerox DP N24 System Administrator Manual page 216

Print Quality Problems
Table 6.5 Print quality problems (continued)
Problem
Repetitive horizontal
dark streaks
Black lines running across
the page perpendicular to
the direction of paper
movement.
Dark spots/marks
6-42 DP N24, N32 and N40 System Administrator Guide
Possible Cause(s)
Contaminated paper path.
Defective Toner Cartridge, or the
Toner Cartridge is at its end of life.
Defective Toner Cartridge.
Corrective Action(s)
Print several blank sheets of paper to remove
any toner accumulations.
Replace the Toner Cartridge.
Replace the Toner Cartridge.
Table 6.5 Page 5 of 8