Konica Minolta 7020 Service Manual page 221

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4. Centering adjustment
Centering adjustment on RADF in feed direction is
1
done in the following procedures.
Select the [9. RADF adj.] from the 36 mode menu
screen to display the timing adjustment menu screen.
Select the [4. Centring adj.] from this screen to
display the centering adjustment screen.
You can select the following adjustment from the
[NEXT] and [BACK] keys.
• Centering adjustment --- RADF (single side).
• Centering adjustment --- RADF (double side (first
• Centering adjustment --- RADF (double side (second
side)).
side)).
4-63
Step Operation procedure
1 Enter the 36 mode.
2 [36 mode menu screen]
Press the [9. RADF adj.] key.
3 [RADF adjustment menu screen]
Press the [4. Centring adj.] key.
4 [Centering adjustment screen]
Press the [NEXT] key until the desired item
appears in the message display area.
5 Press the [COPY] key.
6 [Basic screen]
Set the ADF adjustment chart on RADF, then
select A3 or 11 x 17 for the copy paper. Then,
press the start button to make copies.
* When the RADF (double side (second side)) is
selected, make copies from double side - single side
mode, and use the second for the adjustment.
7 Compare skew of the copy against that of the original.
Standard value: –3 mm maximum.
8 Press the # button while depressing the
to return to the centering adjustment screen.
9 [Centering adjustment screen]
If the skew volume does not conform to the standard
value, enter a desired value from the numeric keys,
then press the [SET] key to validate it.
Input range: —74 (in the front side direction of the
center line) through 00 (in the back
side direction of the center line) up
to +74 (increase)
1 step = 0.04 mm
10 Repeat above steps 5 to 9 until the skew meets
the standard value.
11 You can proceed to adjustment of another item
from the [NEXT] and [BACK] keys.
12 Press the [RETURN] key to return to
the RADF adjustment menu screen.
36
ADJUSTMENT
button
*