Canon 7086 Series, Service Manual

Page: 512 / 735

Chapter 14
14-12
14.2 Image Adjustments
14.2.1 Standards of Image Position
0010-9306
iR7105 / iR7095 / iR7086
The image margin/non-image width of a print made in direct must be as fol-
lows:
[Image Leading Edge Margin]
Single-Sided/Double-Sided
Lf= 4.0 +1.5/-1.0 mm [4.0 +1.5/-1.0 mm]
F-14-11
[Left/Right Image Margin]
Single-Sided/Double-Sided
Wl= 2.5 +/-1.5 mm [2.5 +1.5/-1.0 mm]
F-14-12
[Leading Edge Non-Image Width]
Single-Sided
Lf= 4.0 +1.5/-1.0 mm [4.0 +1.8/-1.4 mm]
Double-Sided
Lf= 4.0 +1.5/-1.0 mm [4.0 +/-1.8 mm]
F-14-13
[Left/Right Non-Image Width]
Single-Sided/Double-Sided
Wl= 2.5 +/-1.5 mm [2.5 +1.5/-1.8 mm]
F-14-14
The information in brackets represents standards for the integrated configu-
ration.
14.2.2 Checking the Image Position
0010-9307
iR7105 / iR7095 / iR7086
Make prints using the following as the source of paper (10 prints each), and
check to see that the image margin and the non-image width are as indicated:
- Each cassette
- Front deck (left, right)
- Manual feed tray
- Duplex feeding unit
- Side paper deck
If not as indicated, adjust the image position in the following order:
1. Adjusting the left/right image margin (registration)
2. Adjusting the image leading edge margin (registration)
3. Adjusting the left/right non-image width (CCD read start position)
4. Leading edge non-image width (scanner image leading edge position)
14.2.3 Adjusting Side Registration
0010-9310
iR7105 / iR7095 / iR7086
<Cassette 3/4>
1) Press the release button of cassette 3/4, and slide out the cassette.
2) Shift down the cassette front cover [1] in the direction of the arrow.
- 2 screws [2]
F-14-15
3) Loosen the 2 fixing screws [1] found on the right/left of the cassette.
4) Move the cassette case [2] to the front or the rear to make adjustments.
- move it to the rear to decrease the horizontal registration (left margin).
- move it to the front to increase the horizontal registration (left margin).
F-14-16
5) Check to make sure that the horizontal registration value (L; left margin)
of the image made on paper from cassette 3/4 is 2.5 +/-1.5 mm.
F-14-17
[1] Paper movement
6) When done, tighten the 2 fixing screws loosened in step 3).
7) Shift up the cassette front cover [1] in the direction of the arrow, and se-
cure it in place using 2 screws [2].
Lf
0
2
4
6
8
10
Wl
Lf
0
2
4
6
8
10
Wl
[1]
[2]
[1]
[1]
[2]
[2]
image
L1
[1]