Toshiba E-STUDIO281C Copier User Manual


 
e-STUDIO281c/351c/451c
Procedure
* The adjustment is performed by the service technician only.
(1) Enter adjustment mode [05]. Change the values for codes [880 to 883] to adjust the gamma curve balance
of the low-, medium- and high-density areas.
Color mode Original mode [05] code
Subcode
Value recommended
Acceptable
value range
Default
Text/Photo 05-880 0/1/2
Text 05-881 0/1/2
Black
Photo 05-882 0/1/2
Gray scale --- 05-883 0/1/2
Set a value smaller than 128
to decrease the density.
Set a value larger than 128
to increase the density.
0 to 255 128
* Set the value in increments of approximately 20, while checking the scanned-in image until the optimum
value is obtained.
* The subcode varies, according to the area for which the density is adjusted. Refer to the table below and
set the subcode for the area to be adjusted.
Subcode Area for the density to be adjusted
0 Low-density area
1 Medium-density area
2 High-density area
* Gradation in Black mode will significantly vary, if the medium-density area is mainly adjusted. But
remember that adjusting the low- or high-density area will rarely affect the gradation in Black mode.
Cautions after the completion of the adjustment
Nothing in particular.
5. Scanning-specific Adjustments
5.7