Olivetti d-Copia 600, Руководство по обслуживанию

Страница: 88 / 454

1-4-16
U053
Setting the adjustment of the motor speed
Description
Performs fine adjustment of the speeds of the motors.
Purpose
Basically, the setting need not be changed.
Modify settings by interlock setting only if faulty images occur.
Method
Press the start key. The screen for selecting an item is displayed.
Setting: interlock setting
1. Select Interlock setting at the screen for selecting an item.
2. Select the item to be adjusted. The selected item is displayed in reverse.
3. Change the value using the cursor up/down keys.
If the value of MAIN MOTOR is changed, the value of the drive motor, transfer motor, fuser motor, regis-
tration motor and feed motor are change at the same time.
4. Press the start key. The value is set.
Interrupt copy mode
While this maintenance item is being executed, a VTC pattern shown below is output in interrupt copy mode.
Correct values for an A3/11" x 17" output are:
A = 300 ± 1.5 mm
B = 270 ± 1.5 mm
Adjustment
1. Output an A3/11" x 17" VTC pattern in interrupt mode.
2. Measure A and B on the VTC pattern (Figure 1-4-1), and perform the following adjustments if they are
different from the correct sizes:
Figure 1-4-1
A: Drive motor speed adjustment
B: Polygon motor speed adjustment
Maintenance
item No.
Description
Display Description Setting
range Default
setting
MAIN MOTOR Drive motor, transfer motor, fuser motor, regis-
tration motor and feed motor speed adjustment -100 to 100 0/3/1/1/1
(80 cpm)
0/3/1/-1/-1
(60 cpm)
POLYGON MOTOR Polygon motor speed adjustment -100 to 100 0
Service Manual Y104350-7