CHAPTER 10 TROUBLESHOOTING
COPYRIGHT © 1999 CANON INC. CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
10-3
+,9:
White strip
Surface of copyboard glass
Approx. 10 mm
2.0 ±1.5 mm
II. STANDARDS AND ADJUSTMENT
A.
Mechanical
1.
Leading Edge Non-Reproduced Area
There is a white strip on the bottom of the copyboard glass in the position shown in the figure
below. If bias is being applied to the grid of the primary corona while the scanner is passing over
the white strip, the leading edge of the copy will be reproduced blank. If the leading edge non-
image width is outside the standards, adjust the timing at which the grid bias goes from OFF to ON
in the service mode (C3).
Figure 10-201
The standard leading edge non-reproduced area on a DIRECT copy of the test sheet is 2.0 ±1.5
mm.
Figure 10-202
A higher setting (C3) increases the leading edge non-image width; in units of 0.25 mm.
Содержание NP6317
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