Tektronix Z740/DX - Phaser 740 Extended Color Laser Printer Instruction Manual page 83

Print quality problems (cont'd.)
Print shows small, repeating
light or dark spots in a single
color.
A single color shows a light,
repeating horizontal line.
Prints are missing fine-line
detail.
Dark color spots and dark or
light streaks appear in all
colors.
Print shows a straight, thin
and even, light vertical line in
all colors.
Replace the color Toner Cartridge.
To fix the problem:
Run 20-30 prints. The impression will disappear with continued time and use.
To avoid the problem:
Occasionally, or a day or two before installing a new Toner Cartridge, rotate the gear on
the end of the cartridge by at least a quarter turn.
Replace the Imaging Unit.
Replace the Imaging Unit.
Replace the Imaging Unit.
Advanced Features and Troubleshooting Manual
4
Troubleshooting
73