Olivetti d-Copia 284MF Service Manual page 44

2JN
Maintenance
item No.
Setting the adjustment of the motor speed
U053
Description
Performs fine adjustment of the speeds of the motor.
Purpose
To adjust the speed of the motor when the magnification in the auxiliary scanning direction is not correct.
Method
1. Press the start key.
Display
MAIN MOTOR
Adjustment
1. Press the system menu/counter key.
2. Press the start key to output a VTC pattern.
3. Press the system menu/counter key.
4. Change the setting value using the cursor left/right keys or numeric keys.
Increasing the setting makes the image longer in the auxiliary scanning direction, and decreasing it
makes the image shorter in the auxiliary scanning direction.
5. Press the start key. The value is set.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
1-3-16
Description
Description
Main motor speed adjustment
100
150
200
250
Figure 1-3-4
Service Manual
Setting Initial
range setting
-50 to 50 0
a
250
Correct value: a = 250 mm
Change in
value per step
0.5%
Y111030-4