3MH
1-3-21
U053
Setting the adjustment of the motor speed
Description
Performs fine adjustment of the speeds of the motors.
Purpose
To adjust the speed of the respective motors when the magnification is not correct.
Method
1. Press the start key.
2. Select the item to be adjusted using the cursor up/down keys.
Adjustment
1. Press the interrupt key.
2. Press the start key to output an A3/Ledger VTC pattern.
Figure 1-3-11
3. Change the setting value using the cursor left/right keys.
A: Drive motor speed adjustment
Increasing the setting makes the image longer in the auxiliary scanning direction, and decreasing it
makes the image shorter in the auxiliary scanning direction.
B: Polygon motor speed adjustment
Increasing the setting makes the image shorter in the main scanning direction, and decreasing it
makes the image longer in the main scanning direction.
4. Press the start key. The value is set.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
Maintenance
item No.
Description
Display
Description
Setting
range
Initial
setting
MAIN
Drive motor speed adjustment
-5.0 to 5.0
0.3
POLY
Polygon motor speed adjustment
-5.0 to 5.0
0.7
EJE
Eject motor speed adjustment
-5.0 to 5.0
-0.5
DRUM
Drum motor speed adjustment
-5.0 to 5.0
0.0
BYP
Motor speed adjustment
(for paper feed from MP tray)
-5.0 to 5.0
-0.1
CAS
Motor speed adjustment
(for paper feed from paper feeder)
-5.0 to 5.0
-0.1
DUP
Motor speed adjustment (for duplex mode)
-5.0 to 5.0
-0.3
EJE2
Eject motor speed
(optional ejection correction value in the case of
paper size of A3, B4 and Ledger)
-5.0 to 5.0
0.0
EJE3
Eject motor speed
(optional ejection correction value in the case of
paper size other than those above)
-5.0 to 5.0
0.0
EJE4
Eject motor speed
(ejection motor correction value at the time of duplex
inner ejection)
0.0 to 5.0
0.5
DF
Paper conveying motor speed adjustment
(for optional built-in finisher)
-4.0 to 4.0
0.0
Correct values for an A3/Ledger output are:
A = 300
±
1.0 mm
B = 270
±
1.0 mm
Summary of Contents for DF-420
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