Boustrophedonic printer errors?

[John Foust]

At 04:26 PM 5/28/2009, Chuck Guzis wrote:
>On 28 May 2009 at 13:30, John Foust wrote:
>
>> http://en.wikipedia.org/wiki/Boustrophedon
>> 
>> I found "Sometimes computer printers with a typewriter-like 
>> moving type head print boustrophedon if set up wrongly."
>> 
>> Which old printers might've done that?
>
>Just about any of the old daisywheels or dot matrix printers. George 
>Comstock (of Diablo) first acquainted me with the word 
>"boustrophedonic"--"plowing like an ox" many years ago.

OK, I'll bite.  What would be set wrongly to make it do this?

I'm not talking about a printer that can print on the return to
to the left...  The Wikipedia article makes it sound like the
text prints "backwards" on every other line.

- John