## Printer Device Driver

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### Dialog Mapping

The following identifies all dialog-box fields used in the driver and the PPD keywords that are used to modify these fields. These keywords are case sensitive:

PostScript Printer Properties

Tray The *InputSlot key defines the available printer trays. The Option Key identifies the tray name. If no input slot is provided, Upper is displayed as the default. The key *DefaultInputSlot identifies the tray that is the default.

Form The *PageSize key defines the available pages. The Option Key identifies the page name. The key *DefaultPageSize identifies the default page size.

Maximum Downloaded Fonts This value is calculated by obtaining the value of *FreeVM and dividing it by the approximate amount of memory needed for each font. *FreeVM contains the maximum amount of memory available to a device.

Automatic Mode Switching If the key *InitPostScriptMode is included in the PPD file at compilation, the Automatic Mode Switching check box is enabled. If checked, a command will be sent to the device to automatically set the device into PostScript mode at the start of each job.

Job Properties and PostScript Device Defaults

Resolution The *SetResolution key identifies the resolution to which the printer is set. If no *SetResolution key is provided, 300 is used as the default. The key *DefaultResolution sets the default resolution.

Duplex Options This group is enabled only if the *Duplex key is provided. The following Option Keys manage the following buttons:

-DuplexTumble is used if 2-Sided Flip is selected. The back page of the output will be inverted.
-DuplexNoTumble is used if 2-Sided Book is selected. The back page of the output will not be inverted. The key *DefaultDuplex determines the default duplex setting.

Manual Feed This check box is enabled if *DefaultManualFeed is provided. If *DefaultManualFeed is set to TRUE, this box is initially checked.

Use Color This check box is enabled if the key *ColorDevice is set to TRUE. If this key is either missing or set to FALSE, this check box is disabled.

PostScript level-1 compatibility This check box is enabled if the key * LanguageLevel is set to "2." If the key is missing, or if it is set to "1," this option is disabled. If this option is not checked, output is sent in PostScript level-2 format. If it is checked, ouput is sent in PostScript level-1 format.