Gamma Balance Adjustment - Toshiba e-STUDIO556 Service Manual

6.5.3

Gamma balance adjustment

The density is adjusted by adjusting the gamma balance. The adjustment is performed by selecting its
density area from the following: low density, medium density and high density.
Color Smooth Detail
mode (PS) (PS)
Black 7315-0 7316-0
(600 dpi)
7315-1 7316-1
7315-2 7316-2
Auto (PS)
Color
Graphic
mode
Text
s
Black 7360-0 7361-0
(600 dpi)
7360-1 7361-1
7360-2 7361-2
Auto (XPS)
Color
Graphic
mode
Text
s
Black 7366-0 7367-0
(600 dpi)
7366-1 7367-1
7366-2 7367-2
Note:
Changing the adjustment setting influences the adjacent density area slightly.
E.g.: When the value of the medium density is larger, the adjacent areas in the low density and
high density range will become slightly darker.
<Procedure>
(1) While pressing [0] and [5] simultaneously, turn the power ON.
(2) Key in the codes to be adjusted (language and screen) and press the [START] button.
(3) Key in the value corresponding to the density area to be adjusted (0, 1 or 2) and press the
[START] button.
0: Low density (L) 1: Medium density (M) 2: High density (H)
(4) Key in the adjustment value. (To correct the value once keyed in, press [C] button.)
(5) Press the [OK] or [INTERRUPT] button to store the value in memory. ¨ The equipment goes back
to the ready state.
(6) For resetting the value, repeat step (2) to (5).
(7) Let the equipment restart and perform printing job.
(8) If the image density has not been attained, repeat step (2) to (7).
© 2012 TOSHIBA TEC CORPORATION All rights reserved
Smooth Detail Smooth
(PCL) (PCL) (XPS)
7317-0 7318-0 7319-0
7317-1 7318-1 7319-1
7317-2 7318-2 7319-2
Item to
be
Image
adjusted
7362-0 Low The larger the value is, the density of the item to be
density adjusted becomes darker.
Acceptable values:
7362-1 Medium
0 to 255. (Default: 128)
density
7362-2 High
density
Item to
be
Image
adjusted
7368-0 Low The larger the value is, the density of the item to be
density adjusted becomes darker.
Acceptable values:
7368-1 Medium
0 to 255. (Default: 128)
density
7368-2 High
density
6 - 33
< Adjustment Mode (05) >
Item to
Detail
be Remarks
(XPS)
adjusted
7320-0 Low The larger the
density value is, the density
of the item to be
7320-1 Medium
adjusted becomes
density
darker.
7320-2 High
Acceptable values:
density
0 to 255. (Default:
128)
Remarks
Remarks
e-STUDIO556/656/756/856(Ver03)
6
ADJUSTMENT