Gamma Balance Adjustment; Offsetting Adjustment For Background Processing - Toshiba e-STUDIO281c Service Handbook

3.5.5

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
mode
Text/Photo
Black 590-0
590-1
590-2
Make a test copy and compare the image obtained with the current settings; if necessary, make adjust-
ment using the following procedure.
Note: Note:
Be sure that this adjustment be made after performing "3.5.1 Automatic gamma adjustment".
<Procedure>
Procedure is same as that of "3.5.4 Color balance adjustment".
3.5.6

Offsetting adjustment for background processing

The density of background and text can be adjusted as follows.
Color
Text/
mode
Text
Photo
Full 1688 1689
Color
1693 1694
1698 1699
1708 1709
Make a test copy and compare the image obtained with the current settings; if necessary, make adjust-
ment using the following procedure.
<Procedure>
Procedure is same as that of "3.5.2 Density adjustment".
e-STUDIO281c/351c/451c
ADJUSTMENT
Original mode
Text Photo
591-0 592-0
591-1 592-1
591-2 592-2
Original mode
Printed
Photo Map
Image
1690 1691 1692
1695 1696 1697
1700 1701 1702
1710 1711 1712
Item to be adjusted
Low density
Medium density
High density
Item to be adjusted
Automatic density
adjustment for back-
ground
Automatic density
adjustment for text
Manual density
adjustment for back-
ground
Manual density
adjustment for text
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<Adjustment Mode (05)>
Remarks
The larger the value is, the
density of the item to be
adjusted becomes darker.
Acceptable values:
0 to 255. (Default: 128)
<Adjustment Mode (05)>
Remarks
The larger the value is, the
darker the background
becomes. (Automatic)
Acceptable values:
0 to 255.
(Default: 128)
The larger the value is, the
darker the text becomes.
(Automatic)
Acceptable values:
0 to 255. (Default: 128)
The larger the value is, the
darker the background
becomes. (Manual)
Acceptable values:
0 to 255. (Default: 128)
The larger the value is, the
darker the text becomes.
(Manual)
Acceptable values:
0 to 255. (Default: 128)