Konica Minolta 7020 Service Manual page 219

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Step
1 Enter the 36 mode.
2 [36 mode menu screen]
Press the [9. RADF adj.] key.
3 [RADF adjustment menu screen]
Press the [1. Drum clock adj.] key.
4 [Magnification adjustment screen]
Press the [NEXT] key until the desired
adjustment item appears.
5 Press the [COPY] key.
6 [Basic screen]
Set the ADF adjustment chart on RADF, then
select an A3 or 11 x 17 copy paper. Then press
the start button to make a copy.
7 Measure vertical magnification of the output.
Standard value: –0.5% maximum (with 1.0
magnification).
–1.0 mm maximum per 190 mm.
8 Press the # button while depressing the
to return to the magnification adjustment screen.
9 [Magnification adjustment screen]
If the vertical magnification does not comply with
the standard value, enter the value from the
numeric keys, then press the [SET] key to
validate your entry.
Input range: —20 (reduce the magnification) to
10 Repeat above steps 5 to 9 until the vertical
magnification meets the standard value.
11 You can proceed to adjustment of another item
using the [NEXT] and [BACK] keys.
12 Press the [RETURN] key to return to the RADF
adjustment menu screen.
Standard value: ±0.5% maximum (in 1.0 magnification)
Operation procedure
+20 (increase the magnification)
1 step = 0.1
±1 mm maximum per 200 mm
Vertical
magnification
190
2. Adjustment of restart timing
Use the following procedure to adjust the RADF
restart timing.
At the 36 mode menu screen, select [9. RADF adj.] to
open the RADF adjustment menu. At the RADF
adjustment menu, select [2. Restart timing]. This
moves you to the screen you use to adjust the restart
timing.
You can use the [NEXT] and [BACK] buttons to select
the following adjustments.
• Restart timing adjustment --- RADF (single side)
• Restart timing adjustment --- RADF (double side
• Restart timing adjustment --- RADF (double side
button
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36
ADJUSTMENT
(first side))
(second side))