Toshiba E-STUDIO555 用户手册

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页码 178
3 BASIC COPY MODES
 Density Adjustment    53
Density Adjustment
This equipment detects the density level of originals and automatically adjusts the density level of the copied image to the 
optimal one. Alternatively, you can manually adjust it to the desired level.
Adjusting automatically (automatic density adjustment)
Press [AUTO] on the touch panel.
The automatic density adjustment is set by default at installation.
Adjusting manually
Press either 
 or 
 to select the desired density level.