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36 MODE
(3) Dot/Text area adjustment
Adjust the dot discrimination and text discrimination
threshold values of the original image.
Use this adjustment for changing the center value
for the letter adjustment in the user mode.
a.
Procedure
1. Enter the 36 mode.
2. "36 mode menu screen"
Press the [3. Image quality adjustment] key.
3. "Image quality mode menu screen"
Press the [5. Image judge adjustment] key.
4. "Image judge adjustment mode menu screen"
Press the [3. Dot/Text adjustment] key.
5. "Dot/Text adjustment screen"
Press the [COPY SCREEN] key.
6. Select the A3 paper and press the START but-
ton with a test chart set to the original glass.
7. A dot and text detection pattern is outputted.
This output pattern shows how the original
image is discriminated as an image.
• Cyan section: Discriminated as a dot.
• White section: Discriminated as a picture.
• Black section: Discriminated as a black text.
• Magenta section: Discriminated as a color text.
8. Press the C button while pressing the P button.
9. "Dot/Text area adjustment screen"
10. Enter a numeric value through the numeric
keys as necessary, and press the [SET] key.
• Setting range: -5 (dot area and text area
increased) to +5 (dot area increased and text
area reduced)
11. Repeat steps 5 to 10 until it becomes suitable.
12. Press the [PREVIOUS SCREEN] key to return
to the "Image judge adjustment menu screen."
CF5001 Field Service Ver.1.0 Sep 2003
7.4.6 ACS adjustment
Conduct this adjustment when the ACS (Auto color
selection) does not function properly.
A. Procedure
1. Enter the 36 mode.
2. "36 mode menu screen"
Press the [3. Image quality adjustment] key.
3. "Image quality adjustment menu screen"
Press the [6. ACS adjustment] key.
4. "Set the chart and push [SCAN] screen"
With an original in which the ACS does not
function properly set to the original glass,
press the [SCAN] key.
5. In the "JUDGE," the result of the ACS is shown
as "COLOR" or "MONOCHROME."
6. Enter a numeric value through the numeric
keys as necessary, and press the [SET] key.
• Setting range: -5 (MONOCHROME) to +5
(COLOR)
7. Repeat steps 4 to 6 until it becomes suitable.
8. Press the [PREVIOUS SCREEN] key to return
to the "Image quality mode menu screen."
2-90
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