CUPS Cannot recognize lp0

Operating Systems Linux Debian CUPS Cannot recognize lp0

06-02-2011

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CUPS Cannot recognize lp0

I am trying to print from Debian and receive the following message: "Unable to open device file"/dev/lp0": Permission Denied"

The permissions for lp0 are 666.

Advice and comments, please.

Thanks

woofy613

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LEARN ABOUT OSF1

ports

ports(7)						 Miscellaneous Information Manual						  ports(7)

NAME

       ports, port_names - Device (tty and lp) names for serial and parallel ports

SYNOPSIS

       Default Serial Ports:

       /dev/tty00
       /dev/tty01 (not present on a single-port system)

       Parallel Port:

       /dev/lp0

DESCRIPTION

       AlphaStation  and AlphaServer systems provide one or two 9-pin serial communication ports. These ports are usually labelled 1 (COMM1) and 2
       (COMM2), but they may be identified by different icons.	Using the appropriate serial cable  and  terminator,  you  can	connect  a  serial
       printer,  external  modem, or character-cell terminal to a serial port. Most AlphaStation and AlphaServer systems also provide one parallel
       port, for use with a parallel printer.

       When you add a device to your system, the installation documentation may instruct you to map  the  device  pathname  to	the  port.   These
       devices are located in the /dev directory.

       For  serial-line  ports, the two default device pathnames are: This pathname always maps to 1, COMM1, the lowest port number, an icon for a
       terminal console, or the only serial port (on a single-port system).  This pathname always maps to 2, COMM2, the next numbered port, or (if
       one serial port is labeled with an icon for a terminal console) the remaining serial port.

       If  your system hardware has been extended to include additional serial ports, the pathnames /dev/tty02, /dev/tty03, and so forth, may also
       be available to you. However, most systems have only /dev/tty00 and /dev/tty01 as the device pathnames for serial ports.

       The one parallel port on an AlphaStation or AlphaServer may be labeled with the word printer or a printer icon. On some systems, the paral-
       lel  port may not be labeled.  The device pathname for the parallel port is /dev/lp0. Currently, Tru64 UNIX does not fully support parallel
       printers, so fewer devices are connected to this port as compared to serial ports.

       If you are connecting a terminal console to your system, it must be connected to the serial port mapped to  /dev/tty00.	For  other  serial
       devices,  it does not matter which of the serial ports you choose for the connection. For example, suppose you are setting up a system that
       has two serial ports, labeled 1 and 2. You intend to use a serial-line terminal rather than a workstation monitor as the system console and
       also  want  to  connect	a  serial-line	printer to the system. In this case, you must connect the terminal to the port labeled 1 (with the
       device pathname /dev/tty00). Therefore, you must connect the printer to the remaining port labeled 2 (with the device pathname /dev/tty01).

       If, for the same type of system, you intend to use a workstation monitor as the system console, it does not matter which  serial  port  you
       use  for  a serial-line printer or modem. In other words, you can connect the printer to either port 1 (with pathname /dev/tty00) or port 2
       (with pathname /dev/tty01).  When prompted to enter a /dev/tty** pathname by the lprsetup script or the Print configuration tool in the CDE
       Application Manager, you would specify /dev/tty00 if you connected the printer to port 1 or /dev/tty01 if you connected the printer to port
       2.

       See the System Administration manual for more information on setting up	consoles  (including  remote  consoles)  and  printers.   See  the
       modem(7) reference page for more information on setting up modems.

SEE ALSO

       Commands: lprsetup(8)

       Devices: ace(7), modem(7)

       System Administration delim off

																	  ports(7)

Debian