Poor Print Quality - Toshiba DP120F Service Manual

4.7 Poor Print Quality

First, find the print sample chart close to your printing problem and start troubleshooting.
Vertical black line(s)
(4.7.1)
Vertical white line(s)
(4.7.3)
Faint or blurred print
(4.7.6)
Black dots
(4.7.9)
March 2000 © TOSHIBA TEC
Horizontal black line(s)
(4.7.2)
Completely black
(4.7.4)
Black marks
(4.7.7)
White dots
(4.7.9)
11-73
Horizontal white line(s)
(4.7.2)
Completely white
(4.7.5)
Uneven print
(4.7.8)
Stained
(4.7.10)
DP120F/DP125F Troubleshooting