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Phaser 350X


Using the Tektronix halftone screens
Tektronix halftone screens are designed for Tektronix printers, and improve print quality over application-set halftone screens. The Setscreen Off (SCRENOFF.PS) utility file redefines some PostScript operators, such as the setscreen, setcolorscreen and sethalftone. By default, the printer prevents applications from overriding the Tektronix proprietary halftone screens. Use the following utility files, depending on your computer type, to control application-defined halftone screens in your prints.

Macintosh file name PC file name
Setscreen On
Setscreen Off and
Apple Printer Utility

SCRENON.PS
SCRENOFF.PS

Macintosh users

  1. Refer to Using the Macintosh Installer for instructions on installing the utility files from the Phaser 350 printer's CD-ROM.

  2. Select the appropriate printer in the Chooser.

  3. Locate the Apple Printer Utility in the PhaserTools folder on your hard disk, and double-click its icon to start the application.

  4. Choose Download PostScript File from the Utilities menu.

  5. Select either the Setscreen On or the Setscreen Off file from the list, then click Open. (These files were installed in the Printer Utilities folder, inside the PhaserTools folder.)

  6. At the prompt Save PostScript output as: you are asked for a file name for saving printer output. Use either the default name given in the edit box or type a new name. Click Save to send the file to the printer.

  7. If no output is returned by the printer, the Apple Printer Utility displays a dialog box; click OK continue.

PC and workstation users

  1. Locate the utility files in the PHSR350 directory on the printer's CD-ROM.

  2. Copy the files that you need to your hard disk or use them directly from the CD-ROM.

  3. Use one of the following methods to send the SCRENON.PS or the SCRENOFF.PS file to the printer:


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