Toshiba e-studio 2555c, Service Manual

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e-STUDIO2555C/3055C/3555C/4555C/5055C © 2012-2013 TOSHIBA TEC CORPORATION All rights reserved
SETTING / ADJUSTMENT
6 - 34
6.2.5 Background adjustment
The density of the background can be adjusted as follows.
<Adjustment Mode (05)>
Make a test copy and compare the image obtained with the current settings; if necessary, make
adjustment using the following procedure.
<Procedure>
The procedure is the same as that of

P. 6-29 "6.2.2 Density adjustment".
6.2.6 Judgment threshold for ACS (common for copy and scan)
Judgment levels for automatically identifying whether an original is color or black are adjusted. This
adjustment is for judgment levels when “Auto Color” is selected as a color mode. The same adjustment
value is simultaneously applied to all cases of originals on the original glass for copier functions and
network scanning functions, and those placed on the RADF.
<Adjustment Mode (05)>
Make a test copy and compare the image obtained with the current settings; if necessary and make
adjustment.
<Procedure>
The procedure is the same as that of

P. 6-29 "6.2.2 Density adjustment".
Color
mode
Original mode
Remarks
Text/
Photo
Text
Printed
Image
Photo Map
Custom
mode Gray
scale
Red
Seal
Color
Mode
Full
color 7656 7657 7658 7659 7660 7661 --- 7662 The larger the value is,
the darker the
background becomes.
Acceptable values:
0 to 255 (Default: 128)
Mono
color 7707 7708 7709 --- --- --- --- ---
Twin
color 7710 7711 7712 --- --- --- --- ---
Black 7100 7101 --- 7102 --- 7106 7105 ---
Code
Item to be
adjusted
Contents
7630 Judgment threshold
for ACS The larger the value is, the more an original tends to be judged as black even at
the Auto Color Mode. The smaller value is, the more it tends to be judged as
color.
Acceptable values: 0 to 255 (Default: 70)