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Chapter 5. Printer Configuration

Red Hat Linux no longer includes printtool. The printconf utility has replaced printtool. The printconf utility maintains the /etc/printcap configuration file, print spool directories, and print filters.

To use printconf, you must be running the X Window System and have root privileges. To start printconf, use one of the following methods:

Important

Do Not Edit /etc/printcap

 

Do not edit the /etc/printcap file. Each time the printer daemon (lpd) is started or restarted, a new /etc/printcap file is dynamically created.

If you want to add a printer without using printconf, edit the /etc/printcap.local file. The entries in /etc/printcap.local are not displayed in printconf but are read by the printer daemon. If you upgrade your system from a previous version of Red Hat Linux, your existing configuration file is converted to the new format used by printconf. Each time a new configuration file is generated by printconf, the old file is saved as /etc/printcap.old.

Figure 5-1. printconf

Five types of print queues can be configured with printconf, but this chapter only covers local printers. For additional information on printconf options, see the Official Red Hat Linux Customization Guide or click on the Help button to view the entire printconf manual.

A local printer is a printer attached directly to your computer through a parallel or USB port. In the main printer list as shown in Figure 5-1, the Queue Type for a local printer is set to LOCAL.

Important

Important

 

If you add a new print queue or modify an existing one, you need to restart the printer daemon (lpd) for the changes to take effect.

Clicking the Apply button saves any changes that you have made and restarts the printer daemon. [2] Alternatively, you can choose File => Save Changes and then choose File => Restart lpd to save your changes and then restart the printer daemon.

If a printer appears in the main printer list with the Queue Type set to INVALID, the printer configuration is missing options that are required for the printer to function properly. To remove this printer from the list, select it and click the Delete button.

Figure 5-2. Adding a Printer

Adding a Local Printer

To add a local printer, click the Add button in the main printconf window. The window shown in Figure 5-2 will appear. Enter a unique name for the printer in the Queue Name text field. This can be any descriptive name for your printer. You can also create alias names for the printer by clicking the Add button beside the Aliases list. Refer to the section called Creating Printer Aliases for more information about aliases. The printer name and aliases cannot contain spaces and must begin with a letter a through z or A through Z. The valid characters are a through z, A through Z, 0 through 9, -, and _.

Click Queue Type in the menu on the left and choose Local Printer from the Queue Type menu. Also enter the printer device in the Printer Device text field or choose it from the pulldown menu as shown in Figure 5-3.

Figure 5-3. Adding a Local Printer

Next, select the type of printer that is connected to the system by clicking Printer Driver from the menu on the left. After choosing the manufacturer and model number of the printer, a list of drivers will appear. If there is more than one driver for the printer, choose the preferred driver in the Printer Driver list. If you are not sure which one to use, do not change this value. Click the Printer Notes button to view notes about the printer driver from the Linux Printing Database.

Click Driver Options from the menu on the left after selecting a printer driver. These options will vary depending on the printer driver that you selected. Typical options include paper size, print quality, and printer resolution.

Click the OK button. The new printer will appear in the printer list in the main window. Click the Apply button in the main window to save your changes to the /etc/printcap configuration file and restart the printer daemon (lpd). After applying the changes, print a test page to ensure the configuration is correct. Refer to the section called Printing a Test Page for details.

Notes

[1]

If you type printtool at a shell prompt, printconf will start.

[2]

The changes are not written to the /etc/printcap configuration file until the printer daemon (lpd) is restarted.

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