Konica Minolta CF5001 Service Manual page 311

CF5001 Field Service Ver.1.0 Sep 2003
5. "Printer gamma sensor adj. (LS200) screen"
For the printer gamma sensor adjustment, the
following items are provided. Press the [NEXT
ADJUSTMENT] key or [PREVIOUS ADJUST-
MENT] key to select an item you want to
adjust.
• "Printer gamma sensor adjustment (LS200)"
• "Printer gamma sensor adjustment (LS150)"
• "Printer gamma sensor adjustment (DS200)"
• "Printer gamma sensor adjustment (DS150)"
• "Printer gamma sensor adjustment
• "Printer gamma sensor adjustment (ED)"
The following shows the copy mode to which
each adjustment is reflected:
(LS200): Line screen/High resolution
(LS150): Line screen/Smooth tone
(DS200): Dot screen/High resolution
(DS150): Dot screen/Smooth tone
(CONTONE): Text section to be used together
with the screens above.
(ED): High compression
Note:
• A screen in which the screen selection is
turned off by the key operator mode-memory
switch is not displayed.
6. Press the [COPY SCREEN] key.
7. With the A4 (for metric machine) or 8.5 x 11
(for inch machine) paper set in the by-pass
tray, press the START button to output a test
pattern.
8. "Please load output paper ... screen"
After completion of the test pattern output, the
display returns automatically to the adjustment
scren.
The outputted test pattern [1] pressed securely
against the original positioning plate /L [3] and
the original positioning plate /R [4], set it to the
original glass.
Note:
Put the green triangular mark [2] on the left
(CONTONE)" side.
[3]
[2]
9. With 10 sheets of copy paper (white) placed on
the test chart, close the RADF or platen cover.
Note:
• Be sure to use white copy paper. Otherwise,
the printer gradation cannot be corrected
properly.
10. Press the [Start] key.
Note:
• Start cannot be made when paper is not set
in the by-pass tray.
11. When the chart is scanned with no problem
found, the gamma sensor is adjusted, the
printer gamma correction is made and a mes-
sage "Complete" is displayed.
2-85
36 MODE
[4]
[1]
8050fs1017