Black Header Density Level Adjustment - Toshiba e-STUDIO2330C Service Handbook

3.2.16

Black header density level adjustment

The density level of headers in the black mode is adjusted.
Mode Code
Full Color/ 7811
ACS Color
7812
Full Color 7816
Make a test copy and compare the image obtained with the current settings; if necessary, make
adjustment.
<Procedure>
The procedure is the same as that of
3.2.17 Black area adjustment in twin color copy mode
Mode Code
Twin color mode 7641-0
with selected
7641-1
colors
7641-2
Twin color mode 7642-0
(Black and red)
7642-1
7642-2
<Procedure>
The procedure is the same as that of
3.2.18 Judgment threshold adjustment for blank originals
The judgment level is adjusted for automatic identification of whether the original set is blank or not.
This adjustment is made when "OMIT BLANK PAGE" is selected on the control panel.
The adjustment value is simultaneously applied to all modes at PPC and NW scanning.
Code Item to be adjusted
7618 Judgment threshold
adjustment for blank
e-STUDIO2330C/2820C/2830C/3520C/3530C/4520C
ADJUSTMENT
Original mode
Text/Photo *
Text
User custom
P.3-31 "3.2.2 Density adjustment".
Item to be
adjusted
High density
Medium density
Low density
High density
Medium density
Low density
P.3-32 "3.2.3 Color balance adjustment".
The larger the value is, the more an original tends
to be judged as a blank sheet.
originals Acceptable values: 0 to 255 (Default: 128)
Remarks
The larger the value is, the darker the headers become.
However, the density level differs depending on the
modes.
Acceptable values: 0 to 8 (Default: 0)
Refers to the table specified by default when 0 is set.
The default table is:
Text/Photo: 4
Text: 5
User custom: 4
Remarks
The larger the value is, the larger the area recognized as
black in the original becomes. The smaller the value is, the
larger the area recognized as the color other than black
becomes.
Acceptable values: 0 to 255 (Default: 128)
The larger the value is, the larger the black area becomes.
The smaller the value is, the larger the red area becomes.
Acceptable values: 0 to 255 (Default: 128)
<Adjustment Mode (05)>
Remarks
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<Adjustment Mode (05)>
<Adjustment Mode (05)>