CHAPTER 4 IMAGE FORMATION SYSTEM
COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
4-20
Figure 4-114
3.
AE Adjustment (VR102, VR103)
If you have replaced the scanning lamp or the AE sensor PCB, be sure to make the following
adjustments:
Making Adjustments
Before the Work
• Obtain a newspaper more or less even in density. (Avoid ones with photos or large charac-
ters.)
• Obtain five sheets of white sheets of paper
• Check to make sure that the intensity of the scanning lamp has been adjusted properly when
you have replaced the scanning lamp.
• Set the density correction dial (VR107) to the middle setting.
1) Open the top unit; then, remove the two screws [1], and detach the front upper cover [2].
[1]
[1]
[2]
Caution:
The flexible cable for the control panel is connected to the upper front cover; disconnect the
cable from the DC controller PCB.
Summary of Contents for NP6412
Page 6: ......
Page 12: ......
Page 34: ......
Page 46: ......
Page 48: ......
Page 92: ......
Page 144: ......
Page 176: ......
Page 178: ......
Page 192: ......
Page 194: ......
Page 220: ......
Page 222: ......
Page 256: ......
Page 258: ......
Page 282: ......
Page 284: ......
Page 286: ......
Page 384: ......
Page 388: ......
Page 414: ......
Page 424: ......
Page 430: ......
Page 432: ......
Page 434: ......
Page 484: ......
Page 492: ......
Page 502: ......
Page 506: ......
Page 516: ......
Page 599: ...PRINTED IN JAPAN IMPRIME AU JAPON ...