I have a Linux machine on which I can't seem to configure the printers properly. There are two network printers I'm trying to connect: a Lanier MP 7500/LD275 and a Lanier MP C3000/LD430c, and Linux seems to have found them both automatically. I'll go through the steps of what I did, and what exactly went wrong.
I went to Administration > Printing, and clicked the new printer button. It searched for printers and found them both, listed under "Network Printers." I added them as new printers in succession. However, when I clicked "Print a Test Page," it failed saying there was a broken pipe. The device URIs were saved as:
socket://[ip address]:9100
I changed these to:
lpd://[ip address]
...per an online tutorial I found, which at first looked like it might have worked (but didn't). Then when I tried to print a test page, it first said "Processing" (and sometimes even "Processing - printing test page, 4%"), but always subsequently displays "Idle - /usr/lib/cups/backend/lpd failed".
Help! What do I do? It seems like Linux can find these printers just fine, and the drivers seem to be in place, so what's going wrong? What do I need to do to get these to work and stop getting that "failed" message?
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I'm not 100% sure on this, but as far as I know they are standalone machines with network cards. I can't imagine they wouldn't be, seeing as they're both almost as big as I am. (These are large, high-volume enterprise-style machines for use in a big office--my girlfriend's place of work actually, which is why I'm not sure.)
socket://[ip]:9100 is a channel to a printer direct. A printer only needs to accept a single link at a time for this.
lpd://[ip] is a channel to a printer spooling system. The printer needs to be able to manage jobs for this.
You can check with nmap what the printer supports...
Or a quickcheck using telnet..
if 'telnet [IP] 9100' connects then use that. (if you type something and later disconnect the telnet link) it should print (it might need a ^L to flush the page), unless it's a postscript printer.
if 'telnet [IP] 515' connects it is an LPD based printer, if you type anything it will disconnect because anything you type is not understood by the LPD server in the printer.
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by: savonePosted on 2009-09-28 at 07:40:34ID: 25439739
Are the printers shared off of another machine or are they stand alone printers with a network card?