CUPS "Unable to get printer status (Forbidden)!"

[Timothy Murphy]

I'm trying to use a printer attached to a USB port
on a remote machine, but I get the above message.
I can access the computer in question with
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[tim at alice ~]$ telnet 192.168.2.2 631
Trying 192.168.2.2...
Connected to 192.168.2.2.
Escape character is '^]'.
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I suspect the problem is that the printer is not found,
whatever name I give to it.
I see
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[Job 66] Unable to get printer status (Forbidden)
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in /var/log/cups/error_log on the client machine.

Any elucidation gratefully received.

-- 
Timothy Murphy  
e-mail: gayleard /at/ eircom.net
tel: +353-86-2336090, +353-1-2842366
s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland