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5. Adjusting the Left/Right Margin (No. 311; left/right margin)
Select ‘No. 311’ (left/right margin adjustment); make adjustments so that the left/right
margin is 2.5 ±1.5 mm when the Test Sheet is copied in Direct.
You must adjust the left/right registration before making this adjustment.
Making Adjustments
a. Margin (adjusting the width)
1) Activate [3] in service mode, and select ‘No. 311’ using the keypad.
2) Press the Start key.
3) Enter a value using the keypad.
• If the value is negative, ‘%’ turns on. To enter a negative value, press the % key,
then enter the value using the keypad.
The relationship between the setting and the image position is as follows:
• For each ‘1’ in the setting, the margin (one side) shifts about 0.37 mm.
• range: 0 to 15 mm
• ‘+’ increases the margin.
• ‘–’ decreases the margin.
Figure 10-207
b. Left/Right Margin
Turn the blank shutter adjustment screw located on the front side plate shown in
Figure 10-208 so that the value is as specified.
clockwise turn:moves the margin toward the front.
counterclockwise turn:moves the margin toward the rear.
a full turn: shifts the margin by about 1 mm.
Figure 10-208
10-9
CHAPTER 10 TROUBLESHOOTING
COPYRIGHT
©
1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Shutter
Adjust the distance between the
two shutters in the blanking
assembly.
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