Xerox Phaser 6280 Service Manual page 394

Print-Quality Troubleshooting
Perpendicularity
Magnification Error
5-20
114.5 mm ± 0.8 mm
Lead Edge
A
90
F
Horizontal Simplex: 190 mm ± 0.5%
Horizontal Duplex:190 mm ± 0.8%
Vertical Simplex: 234 mm ± 0.5%
Vertical Duplex: 234 mm ± 0.8%
Magnification = Measured Length / Nominal (within ±0.5%)
B
Nominal = 234 mm
J
B C
114.5 mm
Perpendicularity = B - b (within ±0.8 mm)
b
Nominal = 190 mm
E G
Magnification
Phaser 6280 Color Laser Printer Service Manual
Assumed Perfect Line
Perpendicularity