Gamma Balance Adjustment - Toshiba e-STUDIO2020C Service Handbook

3.2.4

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
Photo
Black 590-0 591-0 592-0
590-1 591-1 592-1
590-2 591-2 592-2
Make a test copy and compare the image obtained with the current settings; if necessary, make
adjustments according to the following procedure.
Note:
Be sure that this adjustment is made after performing
adjustment".
<Procedure>
The procedure is the same as that of
e-STUDIO2020C/2330C/2820C/2830C/3520C/3530C/4520C
ADJUSTMENT
Original mode
ACS/
ACS/
Gray Black/
Black/
scale Text/
Text
Photo
7956-0 7957-0 7958-0 7959-0
7956-1 7957-1 7958-1 7959-1
7956-2 7957-2 7958-2 7959-2
P.3-32 "3.2.3 Color balance adjustment".
3 - 34
<Adjustment Mode (05)>
Item to be
ACS/ User
adjusted
Black/ custo
Photo m
949-0 Low density The larger the
949-1 Medium
density
949-2 High
density
P.3-29 "3.2.1 Automatic gamma
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Remarks
value is, the
density of the item
to be adjusted
becomes darker.
Acceptable values:
0 to 255 (Default:
128)