Gamma Balance Adjustment - Toshiba e-STUDIO 5540C Service Manual

6.2.4

Gamma balance adjustment

The density adjustment at the Black Mode is performed by selecting its density area from the following:
low density, medium density and high density.
Color
Text/
mode
Text
Photo
Black 7190-0 7191-0 7192-0 7956-0 7957-0 7958-0 7959-0 7276-0
7190-1 7191-1 7192-1 7956-1 7957-1 7958-1 7959-1 7276-1
7190-2 7191-2 7192-2 7956-2 7957-2 7958-2 7959-2 7276-2
Make a test copy and compare the image obtained with the current settings; if necessary, make
adjustments according to the following procedure.
Notes:
Be sure that this adjustment is made after performing  P. 6-31"6.2.1 Automatic gamma
adjustment".
<Procedure>
The procedure is the same as that of  P. 6-34"6.2.3 Color balance adjustment".
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
SETTING ADJUSTMENT
Original mode
ACS/
Gray Black/
Photo
scale Text/
Photo
6 - 36
ACS/ ACS/
Custom
Black/ Black/
mode
Text Photo
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<Adjustment Mode (05)>
Item to
be Remarks
adjusted
Low The larger
density the value
is, the
Medium
density of
density
the item
High
to be
density
adjusted
becomes
darker.
Acceptabl
e values:
0 to 255
(Default:
128)