## Printer Device Driver

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### Device Fonts

Device fonts are classified into the following categories:

Resident Fonts

Resident fonts are those that are defined in the printer ROM.

Downloadable Codepage Fonts

A downloadable code page consists of a set of fonts, each having the same code page, that can be downloaded into printer RAM.

Card or Cartridge Fonts

Some printers have slots for cards or cartridges that contain multiple fonts to be plugged into. In these cases, the corresponding screen font must be installed so that the display output matches printer output.

Download Fonts

Download fonts are single fonts that can be downloaded into printer RAM.

The IBM 42XX driver supports resident and downloadable code-page fonts.