Canon NP6251 Service Manual page 539

CHAPTER 11 TROUBLESHOOTING
4. Adjusting the Left/Right Registration (holding tray position; 2nd side of two-
sided/overlay copies)
Loosen the two screws, and move the guide plate of the holding tray assembly so
that the edge-to-edge distance between the copy image and the copy paper is 0 ±2.0
mm in Direct.
5. Adjusting the Left/Right Margin
Make adjustments so that the image left/right margin is 2.75 ±2.5 mm when the Test
Sheet is copied in Direct.
Be sure to adjust the left/right registration before making this adjustment.
a. Front Margin Adjustment (left margin)
Select 'F-BLANK' in service mode (
setting increases the front margin.
(unit: 0.1 mm)
b. Adjusting the Rear Margin (right margin)
Select 'R-BLANK' in service mode (
setting increases the rear margin.
(unit: 0.1 mm)
11-8
COPYRIGHT © 1997 CANON INC.
(-) (+)
0±2.0mm
0
2
4
6
8
10
Figure 11-206
), and change the setting. Increasing the
3
), and change the setting. Increasing the
3
CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)