Service manual

Chapter 12
12-9
10) Press the Set key.
11) Press the Stop key (to end SCANNER).
12) Make a copy of the test sheet in ADF mode on
paper of the same size in Direct; then, check to
make sure that the length of L of the copy is as
indicated.
13) End the work if the length of L is as indicated;
otherwise, start over with step 2).
12.5.3.4 Leading Edge Read
Start Position Adjustment 0006-4227
Adjust the leading edge start position for ADF mode
as follows:
1) Make a copy of the test sheet in ADF mode on
paper of the same size in Direct.
2) Measure the length of L on the copy (i.e., obtained
by subtracting the leading edge margin from the
position of the line found 10 mm from the leading
edge; it must be 7 +/- 0.5 mm).
F-12-13
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 Set key.
6) Press the Left/Right Arrow key so that '7: CCD' is
indicated.
7) Press the Set key.
8) Press the Left/Right Arrow key so that the 2nd row
of the LCD indicates '024'.
9) Enter an appropriate correction value using the
Left/Right Arrow key so that the length of L
measured in step 2) is 7 mm. (An increase of '1' will
increase the length of L by about 0.1 mm.)
10) Press the Set key.
11) Press the Stop key (to end SCANNER).
12) Make a copy of the test sheet in ADF mode on
paper of the same size in Direct; then, check to
make sure that the length of L on the copy is as
indicated.
13) End the work if the length of L is as indicated;
otherwise, start over with step 2).
12.5.3.5 Trailing Edge Read
End Position Adjustment 0006-4228
To adjust the trailing edge margin for ADF mode, go
through the following:
1) Make a copy of the test sheet prepared in prepare a
test sheet on LGL paper in Direct.
2) Measure the length "L" on the copy output.
(standard: 8 +/-0.5 mm)
F-12-14
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 Set key.
6) Press the Left/Right arrow key so that '7: CCD' is
indicated.
7) Press the Set 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 Set key.
11) Press the Stop key (to leave 'SCANNER').
12) Make a copy of the Test Sheet in Direct on LGL
Copy of the test sheet
(feeding direction)
Leading edge margin
L
Copy of the test sheet
(feeding direction)
Trailing edge margin
L