Toshiba e-STUDIO 2500c Manual page 177

For Macintosh
* This adjustment will have an effect only on full-color printing.
Mac
Open the print dialog box. Select "Black – Text, Graphic & Image" from among the "Pure Black and Gray"
options.
* The menu to select varies according to the operating system. Refer to the table below and select the menu.
OS
8.6 / 9.x "Color Settings 2"
10.2.x "Printer Features"
10.3.x / 10.4.x "Color Settings 1"
After changing the option on the printer driver, print and check the print image quality.
If further image quality adjustments are still necessary, use the next procedure.
Menu
"Pure Black and Gray"
"Feature Sets: Color settings 2"
"Pure Black and Gray"
3. Printer-specific Adjustments
"Pure Black and Gray"
e-STUDIO2500c/3500c/3510c
3.21