Contrast Adjusting - Panasonic DP-8020E Service Manual

Note:
1. Print F5/F6
1) Press "FUNCTION", "ORIGINAL SIZE", and "3" keys sequentially to enter the Service Mode.
2) Press the "9" key to enter the F9 Mode (Unit Maintenance).
3) Press the "START" key.
4) Press "3", and "SET" keys.
5) Press "V", or "/\" arrow keys to select "00 F5/F6 PARAMETERS", and press "SET" key.
6) Prints the memory contents of the F5, and F6 modes.

2. Contrast Adjusting

1) Press "FUNCTION", "ORIGINAL SIZE", and "3" keys sequentially to enter the Service Mode.
2) Press the "2", and the "START" keys to enter the F2 Mode (Single Copy Test).
3) Set the exposure to the center position.
4) Set the machine to TEXT / PHOTO Mode.
5) Make a copy of Test Chart 53/54 with gray scale (P/N: FQ-SJ1011), and compare the density to the
chart shown below. If it is within specification, skip to step (14).
a. Gray scale "A" should not be visible.
b. Gray scale "2" should be clearly visible.
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6) Press the "STOP" key to exit the F2 Mode (Single Copy Test).
7) Press the "6", and the "START" keys to enter the F6 Mode (Adjust Parameters).
8) Enter F6-50 Mode (T/P Mode Image Density).
9) Press the "SET" key to highlight the current value.
10) Enter a new value (up to 3-digits).
Note:
The "RESET" key is used to change to a Negative, or Positive (+/-) value.
(+) : Lighter
(-) : Darker
11) Press the "SET", and "STOP" keys.
12) Enter F2 Mode (Single Copy Test).
13) Make a copy to confirm the adjustment.
Note:
Repeat Steps (3) to (10) until desired density is attained.
F6-49 : T Mode Image Density (Text)
F6-51 : P Mode Image Density (Photo)
14) Press "FUNCTION", and "CLEAR" keys simultaneously to exit the Service Mode.
Ver. 1.0
A
Not visible
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1
(Not visible, or hardly visible)
. .
2 Clearly visible
3
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DP-8020E/8020P/8016P
SEP 2006