Mesuring The Density Of Originals; Outline - Canon NP6330 Service Manual

CHAPTER 4 IMAGE FORMATION SYSTEM
H. Mesuring the Density of Originals

1. Outline

The copier is equipped with an automatic density adjustment (AE) function used to
control the DC component of the developing bias according to the density of originals.
The AE function changes the DC component of the developing bias so as to ensure
copies free of fogging as long as the original is more or less even in density.
The DC component controlled in AE mode is indicated in the copy density indicator
on the control panel.
4-16
98 mm/3.9"
(approx.)
27 mm/1.1"
(approx.)
45 mm/1.8"
(approx.)
A
25 mm/1.0"
15 mm/0.6"
(approx.) (approx.)
Note: A indicates the position
of the sensor
Figure 4-113
COPYRIGHT © 1997 CANON INC.
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CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)