Phaser 6280 Color Laser Printer Service Manual 5-19
Print-Quality Troubleshooting
Parallelism
■Horizontal: 179.8 mm ± 1.2 mm
■Vertical: 234 mm ± 1.2 mm
Linearity
■Horizontal: 190 mm ± 0.5 mm
■Vertical: 234 mm ± 0.5 mm
■Slant: 269 mm ± 1.2 mm
Parallelism
234 mm
179.8 mm
I
K
C
Parallelism
(within ±1.2 mm)
B
E
G
J
H
D
190 mm
234 mm
269 mm
Linearity of
Vertical Line (mm)
(within ±0.5 mm)
Linearity of Horizontal Line (within ±0.5 mm)
Linearity of Slant
(within ±1.2 mm)
Assumed Perfect Line
Printed Real Line
Linearity