Trailing Edge Read End Position Adjustment - Canon iR1200 Series Service Manual

1.3.4.5 Trailing Edge Read End Position Adjustment

To adjust the trailing edge margin for ADF mode, go through the following:
1) Make a copy of the test sheet prepared in 1.2.2 of Chapter 7 on LGL paper in Direct.
2) Measure the length "L" on the copy output. (standard: 8 ±0.5 mm)
(feeding direction)
3) Press the Additional Functions key and the # key to start service mode.
4) Press the Left/Right arrow key so that '#6 SCANNER' is indicated.
5) Press the OK key.
6) Press the Left/Right arrow key so that '7: CCD' is indicated.
7) Press the OK key.
8) Press the Left/Right arrow keys so that the 2nd row of the LCD indicates '025:'.
9) Enter a correction value using the Left /Right key so that the length of "L" measured in
step 2) is 8 mm (trailing edge margin of 2 mm; an increase by '1' will decrease the
length of "L" by about 0.1 mm).
10) Press the OK key.
11) Press the Stop key (to leave 'SCANNER').
12) Make a copy of the Test Sheet in Direct on LGL paper and in ADF mode. Then, check
to make use that the length of "L" on the copy is as indicated.
13) If it is as indicated, end the work. Otherwise, start over with step 2).
COPYRIGHT © 2002 CANON INC.
Copy of the test sheet
F07-103-08
2000 2000 2000 2000 CANON iR1200/iR1300 Series REV. 0 AUG. 2002
CHAPTER 7 TROUBLESHOOTING
Trailing edge margin
L
7-15