Test Pattern Density Adjustment; Image Quality Adjustment - Konica Minolta 7020 Service Manual

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36
ADJUSTMENT
[6]

Test Pattern Density Adjustment

Density of respective patterns is adjusted in the following
procedure.
Select the [5. Density Adj.] in the 36 mode menu screen,
then the print density adjustment menu screen will appear.
Density adjustment menu
1. Test pattern density adjustment
1. Test pattern density adjustment
Adjustment of the density of the test pattern.
Select the [5. Density Adj.] in the 36 mode menu
screen, then the print density adjustment menu
screen will appear.
Select the [1. Print density adj. (1)] in the print density
adjustment menu screen, then the print density
adjustment screen will appear.
Step Operation procedure
1 Enter the 36 mode.
2 [36 mode menu screen]
Press the [5. Density adj.] key.
3 [Print density adjustment menu screen]
Press the [1. Print density adj. (1)]
Key.
4 [Print density adjustment screen]
Press the key according to the desired test pattern
to be adjusted. (No.01, No.06, No.12 and No.17)
5 Enter a desired density by a numeric value from
the numeric keys, then press the [SET] key.
Input range : 000 (light) to +255 (dark).
6 Press the [COPY] key.
7 [Basic screen]
Press the start print button to output a test pattern.
8 Check the density of the output test pattern.
9 Press the # button while pressing the
to return to the print density adjustment
screen.
10 To adjust another test pattern, repeat steps 4 to 9.
11 Press the [RETURN] key to return
to print density adjustment menu screen.
[7]

Image Quality Adjustment

This function adjusts the image quality adjustment.
(1) Select the [6. Image quality adj] in the 36 mode
menu screen, then the image quality adjustment
screen will appear.
Image quality adjustment menu
1. RADF scan density adj.
2. Non-image area erase check.
3
1. RADF scanning density adjustment
When the slit glass is replaced, adjust the density
when reading the original with the RADF.
Note 1:
Note 2:
Note 3:
Step
1 Enter the 36 mode.
2 [36 mode menu screen]
Press the [6. Image quality adj] key.
3 [Image quality adjustment screen]
Press the [1. RADF Scan density adj.] key.
4 [RADF Scanning density adjustment screen]
Set the white chart on the RADF (Note 1).
5 Press the [START] key.
6 Check that "Completed" appears in the message
display area.
7 If "ERROR" appears in the message display area,
then repeat steps 4 and 5 (Note 2).
8 Press the [RETURN] key to return to the image
button
*
quality adjustment screen.
Note 1:
Note 2:
4-56
The mechanical adjustment, optical
adjustment and electrical adjustment of
the scanner are completed.
Make sure that the slit glass is cleaned.
Make sure that the white chart is not dirty
or folded.
Operation procedure
Be sure to set the white chart in A4 direction.
If it is set in A4R direction, appropriate
adjustment is not available.
If "ERROR" is displayed repeatedly, there
is a possibility of a defect in the adjustment
of the scanner machine, optics, or electric-
related parts.