Olivetti d-Copia 2500MF Service Manual page 58

2H0/2HZ
Maintenance
item No.
Setting the adjustment of the motor speed
U053
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.
Display
ALL
MAIN MOTOR
DRUM MOTOR
FEED MOTOR
EJECT MOTOR
POLYGON MOTOR Polygon motor speed adjustment
DF MOTOR
*1: Correction value for the [ALL] value
*2: Optional built-in finisher
Adjustment
1. Press the system menu key.
2. Press the start key to output an A3/Ledger VTC pattern.
3. Press the system menu key.
4. A: Magnification in the auxiliary scanning direction
1) Select [ALL].
2) Change the setting value using the +/- 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.
B: Magnification in the main scanning direction
1) Select [POLYGON MOTOR].
2) Change the setting value using the +/- or numeric keys.
Increasing the setting makes the image shorter in the main scanning direction, and decreasing it makes
the image longer in the main scanning direction.
5. Press the start key. The value is set.
Completion
Press the stop key. The indication for selecting a maintenance item No. appears.
1-3-24
Description
Description
Main motor, drum motor, paper
feed motor and eject motor speed
adjustment
Main motor speed adjustment*1
Drum motor speed adjustment*1
Paper feed motor speed adjust-
ment*1
Eject motor speed adjustment*1
Paper conveying motor speed
adjustment*2
Figure 1-3-8
Service Manual
Setting Initial
range setting
-40 to 40 0
-40 to 40 -1
-40 to 40 -2
-40 to 40 0
-40 to 40 2
-20 to 20 -8
-40 to 40 0
Correct values for an A3/Ledger output are:
±
A = 300 1.0 mm
±
B = 260 1.0 mm
Change in
value per step
0.25 %
0.25 %
0.25 %
0.25 %
0.25 %
-
0.25 %
Y108620-5