Konica Minolta 7020 Service Manual page 202

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ADJUSTMENT 36
e. RADF vertical magnification adjustment
Step Operation procedure
1 Enter the 36 mode.
2 [36 mode menu screen]
Press the [2. Timing adj.] key.
3 [Timing adjustment menu screen]
Press the [1. Drum clock adj.] key.
4 [Vertical/Horizontal magnification (drum clock)
adjustment screen]
Press the [NEXT] key until "RADF/100%" appears
in the message display area.
5 Press the [COPY] key.
6 [Basic screen]
Set the ADF adjustment chart on the RADF and
select A3 or 11 x 17 size paper. Then press the
Start print button to make a copy.
7 Measure the vertical magnification of the output paper.
Standard value: 0.5 % max (life size)
Within ± 1.0 mm with respect to 190 mm
8 Press the # button while pressing the
vertical/horizontal magnification (drum clock) adjustment screen.
9 [Vertical/Horizontal magnification (drum clock)
adjustment screen]
If the vertical magnification is different from the standard
value, enter a value from the numeric keys, then press
the [SET] key to store the adjustment value.
Input range: -20 (reduction) ~ +20 (enlargement)
10 Repeat steps 5 to 9 until the vertical magnification
becomes the standard value.
11 To adjust another adjustment item, press the [NEXT]
or [BACK] key to select the desired adjustment.
12 Press the [RETURN] key to return to the timing
adjustment menu screen.
Standard value: 0.5 % max. (life size)
Within ±1 mm with respect to 200 mm
button to return to the
*
1 step = 0.1 %
Vertical
magnification
190
2. Restart timing adjustment
To adjust the restart timing.
Select the [2. Timing adj.] in the 36 mode menu
screen, then the timing adjustment menu screen will
appear.
Select the [2. Restart timing] on this screen, then the
restart timing adjustment screen will appear.
This adjustment has the following kinds of items.
These can be selected by pressing the [NEXT] or
[BACK] key:
• Restart timing adjustment --- Engine (All)
• Restart timing adjustment --- Engine (Main body
upper tray)
• Restart timing adjustment --- Engine (Main body
lower tray)
• Restart timing adjustment --- Engine (DB upper
tray)
• Restart timing adjustment --- Engine (DB lower
tray)
• Restart timing adjustment --- Engine (By-pass)
• Restart timing adjustment --- Engine (ADU)
• Restart timing adjustment --- RADF (single side)
• Restart timing adjustment --- RADF (double side
(first side))
• Restart timing adjustment --- RADF (double side
(second side))
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