10-22-2011, 02:49 PM

I've got a mac mini with lion as OS.
Printers on the local network here are connected to a computer booted
into an ubuntu 10.04 linux OS. I am not sure how to access the computer.
I would welcome URLs to a HOWTO.
thanks
tim

10-22-2011, 05:15 PM

On the server (linux), use a browser and go to http://localhost:631
Go to Printers tab. Copy down the exact queue names of the printers. And now note the IP address of this ubuntu server (right-click on the internet connection icon on the top right bar - connection information.).

On Mac(s), go to Print & Fax, click Add (+). Select IP printing > IPP.
In the dialog box, enter queue name and IP address. Select model. For non-postscript printers, you need to use Gutenprint drivers.

If you don't get it to work, or need help with drivers, come back here.

10-22-2011, 06:43 PM

Originally Posted by gsahli

On the server (linux), use a browser and go to http://localhost:631
Go to Printers tab. Copy down the exact queue names of the printers. And now note the IP address of this ubuntu server (right-click on the internet connection icon on the top right bar - connection information.).

Good instructions. Actually, since the linux computer is 192.168.1.5
I just pointed my browser to http://192.168.1.5:631

Originally Posted by gsahli

On Mac(s), go to Print & Fax, click Add (+). Select IP printing > IPP.
In the dialog box, enter queue name and IP address. Select model. For non-postscript printers, you need to use Gutenprint drivers.

I choose auto-select and got the following message:
'The selected printer software isn't from the manufacturer and may not
let you use all the features of your printer.
Does that mean that I need Gutenprint drivers?
If so, where do I get them?

Originally Posted by gsahli

If you don't get it to work, or need help with drivers, come back here.

Hopefully the info above can tell
you whether I need the Gutenprint.
thanks
tim

10-22-2011, 11:09 PM

You need to tell me the printer models. Mac printer drivers aren't as straightforward as Windows drivers. For many non-postscript printers, the manufacturers have created USB-only or Bonjour-only drivers. Apple calls these drivers "monolithic" drivers because they bypass the multiple connection protocols supported by CUPS.

Gutenprint drivers are open-source drivers included in OS X (and in linux, too).
You can update Gutenprint from:
Gutenprint for Mac OS X

10-23-2011, 08:29 AM

Forgot to mention - you have another option for driver on clients. Use generic postscript on the clients and the Ubuntu server will do the postscript translation.

10-23-2011, 11:43 AM

Originally Posted by gsahli

You need to tell me the printer models.

For now : HP deskjet 3320 and Canon BJC-240

Originally Posted by gsahli

Mac printer drivers aren't as straightforward as Windows drivers. For many non-postscript printers, the manufacturers have created USB-only or Bonjour-only drivers. Apple calls these drivers "monolithic" drivers because they bypass the multiple connection protocols supported by CUPS.

Understood.

Originally Posted by gsahli

Gutenprint drivers are open-source drivers included in OS X (and in linux, too).
You can update Gutenprint from:
Gutenprint for Mac OS X

Thank you.

10-23-2011, 11:44 AM

Originally Posted by gsahli

Forgot to mention - you have another option for driver on clients. Use generic postscript on the clients and the Ubuntu server will do the postscript translation.

I'll try that.

10-23-2011, 08:54 PM

No luck here. I've not been able to find a driver even with gutenprint. I let
Lion do the selection, it just came up with Generic Postscript Printer, but
when I go to Add, I get an error message:

Unable to verify the printer on your network. Unable to connect to '192.168.1.5'
due to an error. Would you like to still to create the que?

And if I do continue, subsequent attempts to print fail.
Don't quite understand why the printer setup can't connect, because
at the same time, I am connected to the host computer via finder.
Not sure where to go from here.... And no explanation from the Add Printer
dialogue what the error is. And I don't see anyway to access a log.

10-23-2011, 09:31 PM

Access logs in Console Utility.

Because there is a print server in the way, the usual Mac OS X browse functions don't always work. Especially, finding printer models. select manually.

deskjet 3320 not yet available in Gutenprint.
But is available in the three-part hpijs driver set:
macosx/hpijs | The Linux Foundation
Canon BJC-240 is available in Gutenprint.

10-23-2011, 10:01 PM

Originally Posted by gsahli

Access logs in Console Utility.

Because there is a print server in the way, the usual Mac OS X browse functions don't always work. Especially, finding printer models. select manually.

deskjet 3320 not yet available in Gutenprint.
But is available in the three-part hpijs driver set:
macosx/hpijs | The Linux Foundation
Canon BJC-240 is available in Gutenprint.

Thanks. Yes, the BJC-240 driver is available and I could easily find it,
but I get the same Unable to verify the printer .... error message.
Both printers are on shares, we presume that the cups URL at
192.16.1.5:631 can see them, but (presumably) Lion does not?
I note that finder does not see the shared printers either.
thanks
tim

10-23-2011, 10:37 PM

Originally Posted by timinak

we presume that the cups URL at
192.16.1.5:631 can see them, but (presumably) Lion does not?

Sorry - not sure what you mean by that.

On Ubuntu, you went to System > Administration > Printing, and enabled sharing? And enabled Server > Settings > publish shared printer?

10-24-2011, 02:47 PM

Originally Posted by gsahli

Sorry - not sure what you mean by that.

Never mind. Brain fart!

Originally Posted by gsahli

On Ubuntu, you went to System > Administration > Printing, and enabled sharing? And enabled Server > Settings > publish shared printer?

Yes. That has been done and this (Canon) printer is being used by other
linux boxes here. If I go ahead and add the printer and go to print, I
get a conversion to PDF, choose print again, and get an error message that
the URI is incorrect or no longer exists.
FYI:
The URI for the printer can be obtained from Cups as in
http://192.168.1.5:631, choose 'Printers' and then select the printer itself.
But for the life of me I can't see where to enter the printer URI in the
Lion->System Preferences->Printers window. Furthermore, I can't see
how to edit an installed printer.
Thanks again
Tim

10-24-2011, 06:48 PM

I will add that by going the following route:
System Preferences
Print &Scan
+
Windows (instead of IP)
workgroup
I can see both of my other computers
I choose
barbara (the 'print server')
Where I can see both of the printers.
choose
Canon-BJC-240
Which places the print name in the Name: field below.
Enter for Location: barbara
and from the dropdown list choose the printer model.
Click on Add and Lion appears
to install without any error message.
But when I go to print I get a

Cannot connect to printer

message in the Job Info section of the queue window.
It is not sending authentication?

10-24-2011, 07:55 PM

What you're saying still doesn't quite sound right.
"The URI for the printer can be obtained from Cups as in
http://192.168.1.5:631, choose 'Printers' and then select the printer itself.
But for the life of me I can't see where to enter the printer URI in the
Lion->System Preferences->Printers window."

I guess you don't understand that Print & Fax/scan on OS X enables you to enter the queue name and the IP address, but fills in all the rest of the URI automatically?
so, IPP filled in means
ipp://192.168.1.5:631/printers/queue_name on the client.

Is this still not clear?

10-24-2011, 08:19 PM

Originally Posted by gsahli

What you're saying still doesn't quite sound right.
.....
I guess you don't understand that Print & Fax/scan on OS X enables you to enter the queue name and the IP address, but fills in all the rest of the URI automatically?
so, IPP filled in means
ipp://192.168.1.5:631/printers/queue_name on the client.

Is this still not clear?

It is. Yet I am getting error messages complaining that the URI is non-existant. That is why I raised the question.
Please see the method I outlined in the post that I made following the post
that you are referring to above.