[PCWorks] Converter/adapter from parallel printer port to USB port
- From: David Grossman <dgrossman@xxxxxxxxxx>
- To: pcworks@xxxxxxxxxxxxx
- Date: Sun, 14 Mar 2010 00:00:17 +0200
I've been using my new cable for several days now. It works fine except for
a minor nuisance that may occur the first time after turning on the
computer.
I can't explain it, but sometimes - not always - the first print job has 1-3
lines of gibberish on the top of the page, and nothing else. Remember that
this happens when I turn on the printer, so there are no print jobs waiting
(and if there had been print jobs waiting they would have printed out right
away).
I then purge the printer of any (non-existing) remaining print jobs, and
confirm that the print queue is empty. Subsequent jobs in that computer
session print out fine.
Strange.
I've gotten used to printing out the first job on scrap paper, and then
following the process listed above for subsequent materials.
I don't know why, but I can't help but think that this strange behavior has
to do with the cable's using a virtual machine to convert serial data to
parallel. It probably starts off with something like a stop bit (do serial
data transfers have a "start" bit?) and then it doesn't get any further.
Maybe it kind of needs a reminder to "think parallel," after which there are
no problems.
Each time I turn off the computer, that reminder goes into its forgettery
(well, what word is the opposite of memory?) and then it has to be reminded
again.
In other words, it works well, but the cable's instruction set is missing
something.
David Grossman
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