Adjustment - Panasonic DP-3510 Service Manual

7.4.

Adjustment

7.4.1. Exposure (Standard Adjustment)
Before making any adjustments, confirm that the following contents (F6-17, 18 and 19) are set to "0".
DO NOT adjust these codes in the field.
F6-17 : Standard Grid Voltage
F6-18 : Standard Laser Power
F6-19 : Std Bias DC Voltage
1. Press the "FUNCTION", "ORIGINAL SIZE (LEDGER/A3)" and "3" keys simultaneously in that order to
enter the Service Mode.
2. Press the "2" and the "START" keys to enter the F2 Mode.
3. Set the exposure to the center position.
Set the machine to TEXT / PHOTO Mode.
4. Make a copy of Test Chart 53/54 with gray scale (P/N FQ-SJ1011) and verify the density as shown
below. If it is within specification, skip to step (10).
a. Gray scale "A" should not be visible.
b. Gray scale "2" should be clearly visible.
5. Press the "RESET" key to exit the F2 Mode.
6. Press the "6" key to enter the F6 Mode.
7. Enter F6-50 Mode (T/P Mode Image Density).
8. Press the "INPUT" button.
9. Enter the new content.
10. Enter a 2-digit value.
Note:
The "RESET" key is used to enter a "-" (negative) value.
(+) : Lighter side
(-) : Darker side
11. Press "OK" button twice.
12. Enter F2 Mode.
13. Make a copy to confirm the adjustment.
Note:
Repeat steps (3) to (10) until proper density is attained.
F6-49 : Text Mode
F6-51 : Photo Mode
14. Press "FUNCTION" and "C" (CLEAR) keys simultaneously to exit the Service Mode.
Ver. 5.2
A
Not visible
. . .
.
.
.
.
.
.
.
. .
. .
1
(Not visible or hardly visible)
. . .
. .
.
2
Clearly visible
3
290
DP-3510/3520/3530/4510/4520/4530/6010/6020/6030
JAN 2006