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Computerworld Daily Shark
August 27, 2004
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Shark Tank: Sorta makes you nostalgic for confetti, eh?
This pilot fish already knows about a tricky bug involving some
PostScript printers, Macintoshes and TCP/IP networks.
"Many brands of printers cannot accept Macintosh binary PostScript jobs
sent over TCP/IP," fish says. "The printers can accept binary
PostScript from PCs over TCP/IP, or ASCII PostScript from Macs on
TCP/IP, or binary PostScript from Macs over EtherTalk -- just not
binary PostScript from a Mac over TCP/IP."
The work-around is pretty easy -- Mac users simply have to remember to
switch from binary to ASCII PostScript. "Usually they remember to
switch," says fish. "But the setting is a bit hard to find, and when
you hit 'save settings,' it doesn't save across applications or
separate files. So on my network, this is an ongoing problem.
"When a printer gets one of these jobs, it reacts in unique ways
depending on the printer. Black-and-white lasers just spit out reams of
gibberish until you deny them more paper. My old wide-format poster
plotter would print out a standard PostScript error, cut the paper,
then proceed to feed the roll through an inch, cut it, feed another
inch, cut it, on and on until there was a veritable flood of
36-in.-by-1-in. confetti."
So when fish goes looking for a new $7,000 wide-format plotter, she
asks the salesman about the bug. "He clearly had no idea what I was
talking about," fish says. "He said, 'Oh sure, that's fixed.'"
So she tests it. When it gets a Mac binary PostScript job over TCP/IP,
it prints out a standard PostScript error and cuts the paper, just like
its predecessor.
"Then it proceeds to run the entire rest of the roll of paper out onto
the floor," says fish. "I tested this on the little wimpy 24-in. roll
they sent, which was probably only 20 feet long. The regular roll is 42
in. wide and 150 feet long.
"No cuts, just unwinds the entire thing. Canceling the job won't stop
it. Hitting the power button won't stop it. I have to pull the plug to
get it to stop."
Fish can't believe what she's seen, so she rolls the paper back up,
changes some printer settings and tries again -- and watches all the
paper spill out on the floor again. And again. And again.
Now there's a big sign over the printer, warning users to turn off the
power strip if the printer begins spewing paper. "This printer has a
6GB hard drive in it," fish sighs. "I can't wait until that crashes
because I've been pulling the plug.
"It's a good thing I find this particular error amusing, or I'd be
jumping off this building."
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Can't get enough Tank?
Check out other bite-sized bits of humor, rumors, gossip and fun at
The
Sharkives:
http://www.computerworld.com/departments/opinions/sharktank?stnl
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WE'RE LOOKING FOR CRM STORIES
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rousing success? What did you learn?
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