Canon NP6251 Service Manual page 134

CHAPTER 4 IMAGE FORMATION SYSTEM
5. Controlling the Activation in Original Frame Erase Mode
LEDs are turned on to prevent adhesion of toner over widths of about 2 mm around
the edges of the original for original frame erase mode.
6. Controlling the Activation in Book Frame Erase Mode
LEDs are turned on to prevent adhesion of toner in widths of about 2 mm around the
edges of the original in book erase mode.
LEDs are also turned on to prevent adhesion of toner in widths of about 20 mm
(standard) along the middle of the paper. (The width may be adjusted to 20 ±10 mm in
service mode.)
4-20
COPYRIGHT © 1997 CANON INC.
2.75 mm
Feeding direction
Figure 4-118
Paper size
A4 horizontal, B5 horizontal,
B4, A3, LTR horizontal
Other sizes
Table 4-105
20 mm
Figure 4-119
7 mm (approx.)
Non-image width
2.75 ± 2.3mm
3.0 ± 2.55mm
2 mm (approx.)
CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
7 mm
(approx.)
7 mm
(approx.)
2 mm
(approx.)