Sharp AR-BC260 Service Manual page 137

8) Press the OK key. (The adjustment values are set.)
Adjustment menu
KEY OPERATOR PROGRAMS
COLOR BALANCE
C M Y Bk C M Y Bk
LOW AREA MIDDLE AREA
Operating procedures
• Use the and keys to select the color (Y, M, C, or Bk)
in "LOW AREA", "MIDDLE AREA" or "HIGH AREA" that you
wish to adjust.
• Use the and keys to select the density level (+4 to –
4) that matches the density level in the standard color chart.
• Use the key to return all values to the default settings.
• To adjust all values simultaneously, select "ALL" with the
key and then adjust the values with the
keys.
When there is no density point that corresponds to the center
between the Lower Limit and the Upper Limit in the test pattern in
procedures 6) and 7), or when "+4" or "–4" adjustment point is set:
Repeat procedures 4) to 8) until a density pattern that corresponds
to the center of the Lower Limit and the Upper Limit of the test
chart appears in the test pattern.
(2) Easy calibration (Gray balance adjustment)
1) Enter the key operator program mode.
2) Select "Printer setting."
3) Select "Color adjustments."
4) Select "Easy calibration adjustments."
OK
C M Y Bk ALL
HIGH AREA
and
AR-BC260 SETTING AND ADJUSTMENTS 8 - 44
5) The display below is shown. Select A4 or 8.5" x 11" size
paper, and press the EXECUTE key.
The test pattern for adjustment is printed, and the adjustment
menu is displayed.
KEY OPERATOR PROGRAMS
COLOR ADJUSTMENTS
EASY CALIBRATION
TEST PRINT
Test Pattern A
Example: if this is
the desired color,
select "+1" for X
and "-2" for Y.
Yellow
(-3~+3)
The test patterns A and B show the process gray with the cur-
rent adjustment value as the reference value (±0).
In the X-axis, the Magenta density is varied in 7 steps of –3 to
+3. (Test pattern 2 in –3 to ±0, Test pattern 3 in ±0 to +3)
In the Y-axis, the Yellow density is varied in 7 steps of –3 to
+3.
The Cyan density is fixed.
6) Refer to the printed test pattern, and select the desired color
phase (Gray level).
7) Set the adjustment point corresponding to the color phase
(Gray level) selected in procedure 6) on the adjustment menu.
KEY OPERATOR PROGRAMS
EASY CALIBRATION
Operating procedures
Touch the , , and
color of gray.
8) Press the OK key. (The adjustment values are set.)
COLOR BALANCE
Test Pattern B
Magenta
(-3~ 0)
±
Magenta
( 0~+3)
±
Yellow
(-3~+3)
keys to select the desired