Adjusting Copy Quality; Manual Copy Quality Adjustment; Exposure (Standard Adjustment) - Panasonic DP-C305 Service Manual

3.12. Adjusting Copy Quality

3.12.1. Manual Copy Quality Adjustment

1. Press the "Function" key on the Control Panel.
2. Select "General Settings" on the Touch Panel display.
3. Select "01 Manual Copy Quality Adj" on the Touch Panel display.
4. Select "On" button on the Touch Panel display.
5. Select "OK" button on the Touch Panel display to begin the Manual Copy Quality adjustment.
Note:
Do not touch any keys, or turn the Power Switch Off until the adjustment cycle stops
(approximately 1-2 minutes).
6. Press the "Reset" key on the Control Panel, to exit the General Settings mode.

3.12.2. Exposure (Standard Adjustment)

1. Press the "Function", "Copy", and the "3" keys simultaneously on the Control Panel.
2. Input the password, and select the "OK" button to enter the Service Mode (default password is
00000000).
3. Press the "2" key on the Control Panel, and then press the "Start" key to enter the F2 Service Mode.
4. Select "Quality Adj." on the Touch Panel display, and set the Density to the center position.
Select "Black", "Text/Photo", "Commercial", and then select the "OK" button to set the machine to
Mono Text/ Photo Density.
5. 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 14.
Text/Photo
A
. .
. . . .
. .
.
. . 1
.
. .
.
. .
.
2
3
6. Press the "Reset" key twice on the Control Panel to exit to the initial screen of the F2 Service Mode.
7. Press the "6" key on the Control Panel, and then press the "Start" key to enter the F6 Service Mode.
8. Enter F6-221 Mono T/P Density(lt) Mode.
9. Select "Input" on the Touch Panel display.
10. Enter the new 2-digit value.
Note:
The "Reset" key is used to enter a "-" (Negative) value.
(+) : Lighter
(-) : Darker
11. Select the "OK" button on the Touch Panel display, and then select the "Close" button.
12. Press the "2" key on the Control Panel, and then press the "Start" key to enter the F2 Service Mode.
13. Make a copy to confirm the adjustment.
Note:
Repeat Step 4. to 13. until proper density is attained.
<Light Part Adjustment>
F6-220 : Mono Text Density(lt)
F6-222 : Mono Photo Density(lt)
Ver. 1.1
Text
Not visible
Hardly visible
Clearly visible
Not visible
A
Not visible
1
Clearly visible
2
3
218
DP-C405/C305/C265
Photo
Not visible
A
Clearly visible
1
Clearly visible
2
3
FEB 2008