Canon PC921 - Chapter 2 Standards and Adjustments

CHAPTER 2 STANDARDS AND ADJUSTMENTS
2-1
CHAPTER 2 STANDARDS AND ADJUSTMENTS
A. Mechanical
1. Copier
a. Leading Edge Non-Image Width
Make adjustments so that the leading edge non-image width is 2.0 ±1.5 mm when the Test
Sheet is copied in Direct.
Caution:
If you have performed this adjustment, be sure to adjust the image leading edge margin.
Figure 2-1
1) Turn VR105 on the DC controller PCB so that the width is as indicated.
Figure 2-2
Table 2-1
Turing VR105 and Leading Edge Non-Image Width
Direction of VR105
Clockwise
Counterclockwise
Leading edge non-image width
Decreases
Increases
2.0 ± 1.5mm
VR105
J102
J101
J107
J101J131
VR103VR102
J103
J130
J114
J104
J105
J109
J106
J102
VR104VR105
VR106
VR107
2