Canon imagePRESS 1135 Series Service Manual page 1471

3. Magnification ratio adjustment in sub scanning direction
1) Measure the image length Lx in sub scanning direction on the test print.
2) Calculate the magnification ratio in sub scanning direction (ratio): Mx, and the value to
enter in Service Mode: SMx.
Mx = (Lx' / Lx ) X 100
A3 paper: Lx' = 415 mm
11 x 17 inch paper: Lx' = 427 mm
SMx = (Mx - 100) X 100
3) Enter SMx value in Service Mode as follows.
Get in Service Mode to select the following: COPIER > ADJUST > IMG-REG > MAG-V
Adjustment range: -100 to 100
Unit: 0.01%
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Installation > Installation > Image position adjustment
Lx
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4. Adjustment of the right edge margin
1) Measure the right edge margin L1 [0.1 mm basis] on the test print and execute adjustment
so that the right edge margin L1 meets the specification of 2.5 -/+ 0.5 mm.
NOTE :
Be sure that the magnification of "1. Skew" and "2. In main scanning direction" is within
the standard to execute this adjustment.
Get in Service Mode to select the following: COPIER > ADJUST > FEED-ADJ > REG-R
Adjustment range: -50 to 50
Unit: 0.1 mm
• In case of the following: L1 > 2.5mm
Increase the adjustment value
• In case of following: L1 < 2.5 mm
Reduce the adjustment value
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