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From: fsfacca@LERC08.LERC.NASA.GOV (Tony Facca)
Newsgroups: comp.sys.sgi
Subject: Re:  Why has my printer given up?
Message-ID: <8910161456.AA11256@lerc08.lerc.nasa.gov>
Date: 16 Oct 89 14:56:28 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The Internet
Lines: 34

HCART%VAX.OXFORD.AC.UK@cunyvm.cuny.edu   writes:

>     I have a malibu printer on an IRIS 3130. The printer has been working
> OK for some time, but now refuses to print. lpstat -t gives the
> error message
>
>     disabled by scheduler: can't open /dev/ttyd3
> 
> As far as I can see, all the permissions are as they always were
> and resetting them to their old values does not trigger the
> scheduler. Stopping and starting the print queue has no effect.
> 
> Could this be a hardware problem? Or would I get a different
> message from lpstat if it couldn't activate the printer? Any help
> much appreciated.
> 
> Hugh Cartwright, Oxford University.

Could it be that the line has hung up?   Try something to hold the port open
like: 

	nuhup sleep 10000000 < /dev/ttyd3 &

and then re-enable the printer.  This is usually done in /etc/rc.local when the 
system is started, but something may have happened along the way..

Hope this helps.

--
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Tony Facca                     |     phone: 216-433-8318
NASA Lewis Research Center     |    
Cleveland, Ohio  44135         |     email: fsfacca@lerc08.lerc.nasa.gov
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