U053 Performing Fine Adjustment Of The Motor Speed; Eject Motor; Polygon Motor - Kyocera KM-3035 Service Manual

2FD/2FF/2FG-3.0
Maintenance
item No.
U053 Performing fine adjustment of the motor speed
Description
Performs fine adjustment of the speeds of the motors.
Purpose
Used to adjust the speed of the respective motors when the magnification is not correct.
Method
Press the start key. The screen for selecting an item is displayed.
Setting
1. Select the item to be set. The selected item is displayed in reverse.
2. Change the setting using the cursor up/down keys.
Display
MAIN MOTOR

EJECT MOTOR

POLYGON MOTOR

MAIN MOTOR /EJECT MOTOR
Increasing the setting makes the image shorter in the auxiliary scanning direction, and decreasing it makes
the image longer in the auxiliary scanning direction.
POLYGON MOTOR
Increasing the setting makes the setting makes the image shorter in the main scanning direction and longer
in the auxiliary scanning direction; decreasing the image longer in the main scanning direction and shorter
in the auxiliary scanning direction.
EJECT MOTOR
Normally no change is necessary but this can be used as countermeasures against wrinkles (waving) of
paper.
3. Press the start key. The value is set.
Interrupt copy mode
While this maintenance item is being performed, a VTC pattern shown below is output in interrupt copy mode.
Correct values for an A3/11" × 17" output are:
A = 300 ± 1.5 mm
B = 260 ± 1.0 mm
Adjustment
1. Output an A3/11" × 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:
A: Drive motor speed adjustment
B: Polygon motor speed adjustment
Completion
Press the stop/clear key at the screen for selecting an item. The screen for selecting a maintenance item No . is
displayed.
1-4-22
Description
Description
Drive motor speed adjustment
Eject motor speed adjustment
Polygon motor speed adjustment
Figure 1-4-1
Setting range Initial setting
0 to +40 7
0 to +14 7
-20 to +20 0