imagistics ipc1-im8130 Operator's Manual page 109

PCL6 Quality Properties
The print quality options differ depending on whether you are using the
PCL6 or PSL3 driver. As a general rule, do not change these settings
unless the images in your documents are not printing properly.
Print text black
Gray Scale options
TrueType Fonts
Quality Properties Page (PCL6 driver in Windows 98)
Print text black: when colored text is output on a monochrome
device, the color is converted to a shade of gray, which may degrade
the text quality. To improve readability, you can enable this option.
Gray Scale options: control the brightness and contrast of printed
images.
TrueType Fonts: select how you want the controller to process
TrueType fonts.
ipc1-im8130 Operator's Guide 93