Konica Minolta 7020 Service Manual page 204

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ADJUSTMENT 36
3. Paper feed loop amount adjustment
If a paper is skewed, adjust the amount of the loop for
each tray.
Select the [2. Timing adj.] in the 36 mode menu
screen, then the timing adjustment menu screen will
appear.
Select the [3. Paper loop adj.] on this screen, then the
paper feed loop amount adjustment screen will
appear.
This adjustment has the following kinds of items.
These can be selected by pressing the [NEXT] or
[BACK] key.
• Paper feed loop adjustment (All)
• Paper feed loop adjustment (Main body upper
tray)
• Paper feed loop adjustment (Main body lower tray
(small size) ) (Note 1)
• Paper feed loop adjustment (Main body lower tray
(large size) ) (Note 2)
• Paper feed loop adjustment (DB upper tray (small
size) ) (Note 3)
• Paper feed loop adjustment (DB upper tray (large
size) ) (Note 4)
• Paper feed loop adjustment (DB lower tray (small
size) ) (Note 5)
• Paper feed loop adjustment (DB lower tray (large
size) ) (Note 6)
• Paper feed loop adjustment (Bypass (ordinary paper) )
• Paper feed loop adjustment (Bypass (thick paper) )
• Paper feed loop adjustment (Bypass (post card) )
• Paper feed loop adjustment (ADU)
• Paper feed loop adjustment (RADF) (single side)
Note 1: B5 only
Note 2: Other than B5
Note 3: Other than A3, B4, 11x17 and 8.5x14.
The loop value is set at -10 when DB is LCT.
Further adjustments are required if the
paper is still skewed.
Set the amount of the loop to -8 if the main
body is other than 7020/25/30.
Note 4: A3, B4, 11x17 and 8.5x14
Note 5: Other than A3 and 11x17
Note 6: A3 and 11x17
a. Paper feed loop adjustment for engine
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 [3. Paper loop adj.] key.
4 [Paper feed loop amount adjustment screen]
Press the [NEXT] key until the desired adjustment
item appears in the message display area.
5 Press the [COPY] key.
6 [Basic screen]
Select A3 or 11 x 17 size paper, then press the
Start print button to print the SGU pattern.
7 Check the skewing condition.
8 Press the # button while pressing the
to return to the paper feed loop amount
adjustment screen.
9 [Paper feed loop amount adjustment screen]
4
If the paper feed loop amount is not correct,
enter a value from the numeric keys, then press
the [SET] key to store the adjustment value.
<Input range>
Other than 7025/35/7135:
–127 (small) ~ 00 (standard) ~ +127 (large)
7025: –127 (small) ~ 00 (standard) ~ +20 (large)
7035/7135: –100 (small) ~ 00 (standard) ~ +15 (large)
1 step =0.18mm (7020/25/30/35/7135)
=0.14mm (Other than 7020/25/30/35/7135)
10 Repeat steps 5 to 9 until the paper feed loop
amount becomes appropriate.
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.
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button
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