Panasonic DP-3510 Service Manual page 144

9) Press "52 LSU Unit PWM Adjust 1".
10) Press "INPUT" button and enter the value of the gray patch, as established in Step (6).
11) Press "OK" button 2 times.
12) Perform the Service Modes F8-18 and F6-39 in the same manner as steps (4) ~ (10) above.
3. Toner Density Adjustment
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 "1" 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" and "START" keys to enter the F6 Mode (Adjust Parameters).
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
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DP-3510/3520/3530/4510/4520/4530/6010/6020/6030
JAN 2006