Kyocera TASKalfa 620 Service Manual page 121

Maintenance
item No.
Adjusting the laser output
U467
Description
Adjusts the laser output power.
Purpose
The setting need not be changed.
Method
Press the start key. The screen for adjustment is displayed.
Setting
1. Change the setting using the cursor up/down keys.
Display
ADJUST DATA
ADJUST DATA2
AUTO ADJ TARGET
A larger preset value causes dots and lines to be clearly large and thick and the reference density to be
darker.
A smaller preset value causes dots and lines to be clearly small and thin and the reference density to be
lighter.
Although three lasers can be adjusted separately, be sure to set the same value. If different values are
set, proper images cannot be obtained.
2. Press the start key. The setting is set, and the screen for selecting a maintenance item No. is displayed.
Completion
To exit this maintenance item without changing the current setting, press the stop/clear key.
The screen for selecting a maintenance item No. is displayed.
Adjusting the laser output position
U472
Description
Adjust the writing position of a laser output.
Purpose
Enter the numerical value indicated by the LSU cover in order to arrange the writing position of three laser
when replacing the laser scanner unit.
Method
Press the start key. The screen for executing is displayed.
Setting
1. Select the item to be adjusted.
2. Change the setting using the cursor up/down keys.
Display
DLY 1
DLY 2
DLY 3
3. Press the start key. The value is set.
Supplement
While this maintenance item is being executed, copying from an original is available in the interrupt copying
mode.
Completion
Press the stop/clear key at the screen for selecting an item. The screen for selecting a maintenance item No.
is displayed.
Description
Laser output value (LD1)
Laser output value (LD2)
Laser output value (LD3)
Description
Delay value of PWM1 output
Delay value of PWM2 output
Delay value of PWM3 output
Description
Setting range
0 to 255
0 to 255
0 to 255
Setting range
0 to 15
0 to 15
0 to 15
2KN/2KP-1
Initial setting
110 (82 cpm)
90 (62 cpm)
200 (82 cpm)
150 (62 cpm)
0
Initial setting
0
0
0
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