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