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Article #2067Re: HP PaintJet
From: Steve Miller
Date: Fri, 28 Jul 1989 17:33
Date: Fri, 28 Jul 1989 17:33
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The PaintJet is a 180 dots per inch special paper color printer whereas the DeskJet is a 300 dots per inch plain paper black and white printer. The PaintJet driver for the Mac is a generic Chooser level driver that is compatible with the vast majority of applications. The driver comes with 2.5X fonts since 180 DPI is exactly 2.5 times the 72 DPI screen. The printer has 4 ink colors (black, magenta, cyan, and yellow) and is able to printer 7 (plus white) different colors for each pixel by using drop on drop printing. The driver uses a 2x2 dither matrix to generate hundreds of colors. The mapping of screen colors to printer is always a difficult job and the PaintJet drivers does an decent job of it but I think this could be improved a bit. Hope this answers some of your questions. Steven Miller stevem@hpvcfs1 Vancouver Division Hewlett Packard
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!watmath!att!ucbvax!hplabs!hp-pcd!hpvcfs1!stevem From: stevem@hpvcfs1.HP.COM (Steve Miller) Newsgroups: comp.sys.mac Subject: Re: HP PaintJet Message-ID: <780031@hpvcfs1.HP.COM> Date: 28 Jul 89 17:33:43 GMT References: <11362@cit-vax.Caltech.Edu> Organization: Hewlett Packard, Vancouver, WA Lines: 19