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Install a working driver for the Canon LB2900 printer Printers
Canon's LBP2900 is a small, yet fast and efficient printer. And it is for Windows only, due to usage of so-called CAPT technology. The Japanese drivers for CAPT printing can be obtained from the Canon site and they work fine, but the LBP2900 is not detected by them and can't be used. As this printer is made with almost the same hardware as the LBP3000 (which is supported by the driver), it turned out to be quite an easy task to support it. So here's how -- note that these instructions are for OS X 10.4.8 and later, but not for 10.5.
  1. Obtain latest Universal Canon Driver from the Canon Japan site and install it -- this will require a reboot.
  2. Download (4KB) additional printer definitions from my site.
  3. Ungzip this file (it should be done automatically by Safari) and place it into the /Library » Printers » Canon » CAPT » Profile » Device directory.
  4. Connect and power-on your printer
  5. Launch Printer Setup Utility in the Applications » Utilities folder. Click on Add, and the LBP2900 should be visible. Click on it and see whether OS X picks up CAPT Printer as its driver. If it does, you're done.
If you don't see CAPT Printer for the driver (and this may happen due to caches), you will need to do a complete reset of your printing system. WARNING! This will essentially uninstall all your printers! From the Printer Setup Utility menu, select Reset Printing System, confirm everything (enter credentials if needed), then again press the Add button. Check whether OS X picked up CAPT Printer as the driver. If it is still a no-go, click on the More Printers button. This time you should see a warning about the new driver's addition, and the necessity to restart the printer browsers. Press OK and close the utility completely. Repeat the previous step -- this time you should definitely get CAPT Printer as the selected driver.

From my observations, everything works correctly including finishing effects, toner economy mode, etc. Hope you will enjoy this small piece of hardware as much as I do, now in OS X.
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10.5: Auto-quit stubborn printers in 10.5 Printers
As you may know, you can auto-quit the printer driver when printing is over, so that the icon won't remain in your Dock.

However, in my case, this never worked. At least until now, when (for independent reasons) I changed the Default Printer pop-up in the Print & Fax panel of System Preferences to Last Printer Used. Bingo! My printer icon now quits the Dock when printing is finished!
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Print to a non-Mac-supported Windows-connected printer Printers
I have a mixed network of a 475 (8.1), 7300 (9.1), G4 PowerBook (10.4), and an XP box. I recently bought a Canon Laser printer for which there are no Mac drivers.

To print to a Windows (XP) printer for which there isn't a Mac driver, a useful method is to install Port Redirection and Ghostscript/Ghostview on the XP box. Then create a virtual printer using the descriptor of a known Printer (e.g. Apple LaserWriter...). The virtual printer will be configured to redirect its output to GSPrint, which will actually send the job to the real printer using the Windows driver(s).

Here are detailed directions, with the additional caveats that the Windows printer name must not contain more than 12 characters, and if the Windows box has a workgroup name (other than workgroup), this must be entered in Directory Access (in Applications » Utilities) on the Mac. Double click on the SMB/CIFS entry.

By creating an LPR virtual printer, which points to the ordinary virtual printer, I also can print from either of the older Macs to the Laser. This works so well I moved an Epson inkjet from the 7300 to the PC -- Windows makes a fine print server.
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10.5: Use shared printers from pre-10.4 Macs Printers
Upon updating to Leopard, I (like many others) discovered that the printer I had shared on another computer was no longer accessible. In my case, the printer was connected to a beige G3 running Jaguar, but the following hint may also work for printers shared from other versions of Mac OS X, as well as for Linux boxes.

After rummaging around the Internet looking for a solution, I came upon this article on Apple's support Web site that suggests typing the following Terminal command:
cupsctl BrowseProtocols='"cups dnssd"'
All that command actually does is add the line BrowseProtocols="cups dnssd" to the file /etc/cups/cupsd.conf. By default, the cups protocol (which is used by older versions of OS X, among others) is not enabled in Leopard, and this command re-enables it. If you find that this command still doesn't help, there's an even more drastic solution, as described on this page: instead of enabling cups, simply enable every available browse protocol by typing:
cupsctl BrowseProtocols=all
This has some side effects (your internal modem, if you have one, will decide it's actually a fax machine), but it worked for me.
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10.5: Set up authenticated printing via IPP Printers
Say you want to use some printers via IPP, but these require authentication with a user account. You could use this hint which was published a few days ago, and install the printer directly using an address like this:
You could also do this in Tiger by holding the Option key while pressing Add. However, there are two fundamental problems with this approach. First, these printers can be used by every user on the machine, so adding printers like this only makes sense on single-user machines. Second, the account data is written to /etc/cups/printers.conf, i.e. this file contains your password in clear text (this file is only readable by administrators, though).

Fortunately, OS X 10.5 actually supports IPP printing with authentication, but Apple somehow managed to obfuscate this feature. Read on to see how to use it.
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10.5: How to reset the printing system Printers
As you've discovered, Mac OS X 10.5 Leopard does away with the Printer Setup Utility application, which provided an intuitive GUI method for doing two things that the Leopard Print & Fax pane doesn't make apparent:
  1. Resetting the Printing System
  2. Adding printers via the Advanced method (in Tiger, Option-click the More Printers... button)
But these features are still here, just in new spots. To reset the printing system in Leopard, open the Print & Fax pane, then control-click in the Printers sidebar. There it is: Reset printing system. And the advanced method is available in a toolbar button, as detailed in this hint.
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10.5: Enable certain Samsung and Xerox printers in 10.5 Printers
To make one of these printers -- Samsung CLP-500, CLP-510; Xerox Phaser 6100 -- work in 10.5, install the August 2007 printer driver [5MB download]. Unfortunately, one library from Tiger that this driver needs went away, so using your Tiger backup disk, do this:

$ sudo cp -i /Volumes/tiger_disk_name/usr/X11R6/lib/libexpat.0.dylib /usr/X11R6/lib

Now install the printer like you normally would (e.g., as a Bonjour Printer). Select the CLP-510 driver, and you're done.
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10.5: Access advanced SMB printer setup options Printers
The first thing I tried at work, after installing Leopard today, was to add a printer, which is a Canon PCL. Usually in Tiger, I connected to it via SMB in our local windows server, like this:
smb://login:password@name _of_server/name_of_printer
But with Leopard, I just couldn't add any shared SMB printer. No matter what I tried, only Bonjour, IP and AppleTalk printers were available to install, but not my usual Canon PCL.

Maybe you remember in Tiger: when we needed to add another printer in the Advanced tab, we held down the Option key while pressing Add, and the next screen would pop up the "Print to Windows via SMB" option. But no such trick in Leopard, it seemed.

Well, to get the Advanced tab choice, I had to customize the Add Printer toolbar: there you can add a handy Advanced button. Press that, and there you'll find the Tiger functionality hiding!

[robg adds: To state the obvious, to reach this area, you first open the Print & Fax System Preferenes panel, then click the plus sign at the lower left corner of the window.]
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Print to a Shared Windows Printer Printers
I've seen a lot of these hints on the Internet, but most of them didn't work for me. This is how I managed to print to a shared Windows printer.

We'll start by opening System Preferences, where we chose the Print & Fax preference pane. There you should see a list with all the printers you've currently installed. Click the '+' button to add a new printer. This opens the Printer Browser. Then hold down the Option key and click More Printers; this lets you access the "Advanced" options from the first popup menu.

From the Device menu, select Windows Printer via SAMBA. You can chose the Device Name yourself, but the "Device URI" is a little bit more complicated. It should look like this:
  • username is the username of an account on the Windows computer.
  • password is the password of this user on the Windows computer.
  • computername is the network name of the computer
  • printername is the name under which the printer is shared on the Windows computer.
For example, suppose there is a windows account "nele" (no password) on the computer named "vaste", and the printer is called "kyocera". Then you should type
Finally, select the correct printer model, and click Add.

You should now be able to print to your shared printer.

[kirkmc adds: I can't test the actual printing, not having a Windows computer, but the rest works fine.]
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Print to an OS 9 shared USB printer from OS X Printers
(Note that this obviously won't work on Intel Macs, which don't run Classic.)

Remember how OS X and OS 9's printer sharing protocols are completely incompatible with each other? While there are a number of convuluted ways to see an OS X printer from OS 9 (such as this hint), there isn't any readily apparent way to use an OS 9 printer from OS X without installing some absurdly expensive 3rd-party server or setting up an obtuse open source LPR server. Fortunately, Classic is quite a bit more complete than one might think, and contains everything you need to share a printer.

1. On the OS 9 server, set up USB Printer Sharing for your printer(s) on the OS 9 server as normal. (See Apple's help for details.)

2. On the OS X client, start up Classic if it isn't already running. If your installation of Classic on the OS X machine doesn't already have the OS 9 drivers for the printer you're trying to connect to, install them.

3. Once you've got the printer's drivers installed in your OS X machine's Classic System Folder, open the USB Printer Sharing control panel and preselect the printer(s) you want to print to. Now use the Chooser or Desktop Printer Utility to set up the printer.

4. If you made a desktop printer, you should be able to drop a file onto it in order to print. Alternately, open an OS 9 program under Classic and you should now be able to print.

Note that you need to have USB Printer Sharing enabled on the OS X client too in order for shared printers to work, and that Classic will not sleep while USB Printer Sharing is enabled, although you can turn USB Printer Sharing off and back on again without screwing anything up. Also, needless to say, this will only work while Classic is running.

[kirkmc adds: I haven't tested this; I don't have any Macs running OS 9.]
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