Canon iR C3380 series Service Manual page 69

(–) (+)
0
2
4
6
8
10
2.5 ± 1.5mm
- If the value is not as indicated, make the following adjustments:
3) Remove the paper from the manual feed tray.
4) In case the MP side guide plate stopper [1] is attached, slide the knob [2]
in the direction of the arrow and unlock the stopper.
[2]
5) Loosen the 2 fixing screws [1] on the manual feed tray upper cover.
6) With reference to the value you took note of in step 2), move the manual
feed upper cover [2] back and forth. Moving it toward the rear of the
machine will increase the margin on the front side.
[2]
7) Tighten the fixing screw of the manual feed tray upper cover.
8) Place paper in the manual feed tray.
9) Make a copy; then, check to make sure that the margin on the image front
side is 2.5 +/-1.5 mm.
4. Adjusting the Margin (manual feed tray; 2nd side)
1) Make a double-sided copy using the manual feed tray as the source of
paper; then, check to make sure that the margin on the front side for the
2nd side is 2.5 +/-2.0 mm.
F-2-52
[1]
F-2-53
[1]
F-2-54
(–) (+)
0
2
4
6
8
10
2.5 ± 2.0mm
2) If the value is not as indicated, change the horizontal registration
adjustment value for the 2nd side for the manual feed tray.
- COPIER > ADJUST > FEED-ADJ > ADJ-MFRE
An increase by '1'(ADJ-MFRE) will decrease the margin on the front side
by 0.1 mm.
3) Record the new adjustment value on the service label.
- ADJ-MFRE
4) Press the Reset key twice to end service mode.
5. Adjusting the Margin Along the Leading Edge (1st side)
Make a copy using the cassette 1 as the source of paper; then, check to make
sure that the margin along the image leading edge (L1) is 4.0 +1.5/-1.0 mm.
If not, make adjustments as follows:
1) Make the following selections in service mode: COPIER > ADJUST >
FEED-ADJ > REGIST.
2) Change the setting to make adjustments. (A change of '1' will cause a shift
of 0.1 mm, with a higher value moving the image toward the leading
edge.)
L1
An increase in REGIST will shift the image toward the leading edge of
the paper.
3) Record the new adjustment value on the service label.
- REGIST
6. Adjusting the Margin Along the Leading Edge (2nd side)
Make a double-sided copy using the cassette 1 as the source of paper; then,
check to see if the margin along the image leading edge for the 2nd side (L)
is 4.0 +1.5/-1.0 mm. If not, make adjustments as follows:
1) Make the following selections in service mode: COPIER > ADJUST >
FEED-ADJ > RG-REFE.
2) Change the setting, and make adjustments. (A change of '1' will cause a
shift of 0.1 mm, with a higher setting moving the image toward the
leading edge.)
L1
An increase in RG-REFE will shift the image toward the leading edge of
paper (toward the trailing edge of feed).
3) Record the new adjustment value on the service label.
- RG-REFE
Chapter 2
F-2-55
image
F-2-56
image
F-2-57
2-13