Leading Edge Read Start Position Adjustment - Canon imageCLASS D600s Service Manual

CHAPTER 7 TROUBLESHOOTING

1.2.4.2 Leading Edge Read Start Position Adjustment

Adjust the leading edge read start position for book mode as follows:
1) Make a copy of the test sheet in book mode on paper of the same size in Direct. (See
1.2.2.)
2) Measure the length of L on the copy (i.e., the length obtained by subtracting the leading
edge margin from the line found 10 mm from the leading edge; it must be 7 ± 0.5 mm).
(feeding direction)
3) Press the User Mode 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: CC' is indicated.
7) Press the OK key.
8) Press the Left/Right Arrow key so that the 2nd row of the LCD indicates '023:'.
9) Enter an appropriate correction value using the Left/Right Arrow key so that the length
of L measure din step 2 is 7 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 end SCANNER).
12) Make a copy of the test sheet in book mode on paper of the same size in Direct; then,
check to make sure that the length of L is as indicated.
13) End the work if the length of L is as indicated; otherwise, start over with step 2).
7-6
COPYRIGHT © 2001 CANON INC.
Chapter7A.p65
Leading edge margin
L
Copy of the test sheet
F07-102-03
CANON imageCLASS D600s/PC1060s/PC1200s/iR1200s REV. 0 SEPT. 2001
6 8/26/01, 3:47 PM