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Article #388Re: How fast can a typical Laser printer Centronix Interface go?
From: Clarence Dold
Date: Thu, 16 Nov 1989 21:26
Date: Thu, 16 Nov 1989 21:26
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in article <218@cmic.UUCP>, garvey@cmic.UUCP (Joe Garvey) says: > > I was told by a vendor that the Centronix interface in a typical (Laserjet II) > interface would only transfer data at about 50 Kbaud (yes I know it's byte > wide, but it's easier to compare to a serial interface this way). We recently drove a parallel interface printer at a full 30PPM, 80 columns, 60 Lines Per Page. That works out to (excuse me while I !bc) 24Kbaud. If you can find a printer faster than 30PPM, maybe it matters. We also found that the 37PPM printer didn't like our UNIX a whole lot. We would blast data to the printer at 50KBytes /second (yes it is Byte wide), then go away for a while, then blast more data... The data link is theoretically capable of 6uSec cycles, or 166KBytes, but the priorities aren't keen on high printer load. A serial link at 19.2K turned out to be much better. -- --- Clarence A Dold - dold@tsmiti.Convergent.COM (408) 434-5293 ...pyramid!ctnews!tsmiti!dold P.O.Box 6685, San Jose, CA 95150-6685 MS#10-007
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!watmath!att!occrsh!uokmax!apple!mips!prls!pyramid!ctnews!mitisft!dold From: dold@mitisft.Convergent.COM (Clarence Dold) Newsgroups: comp.periphs Subject: Re: How fast can a typical Laser printer Centronix Interface go? Message-ID: <1290@mitisft.Convergent.COM> Date: 16 Nov 89 21:26:35 GMT References: <218@cmic.UUCP> Organization: Convergent Technologies, San Jose, CA Lines: 20