02-15-2002
Ok.... I know what I am about to tell you might seem weird... but.. hear me out...
I had a problem once.. where I had a laser printer connected to my network via a Jet Direct card that was Internal to the printer. In other words... my ethernet cable was plugged directly into an internal JetDirect card.
It seems that on occasions.. passing printer commands through the interface script would have no effect on the printer. The font wouldn't change, nor would the paper trays switch..etc..
I contacted HP and I was told by HP.. that I needed to pass those commands via the parallel port. I purchased an external print server and located it near my printer. Configured my print server and installed the parallel cable between my print server and my printers parallel port.. It worked like a charm.
I could NEVER get HP to tell me why this would only work this way. I can't say that it will solve your problem, but you might want to give it a shot.
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enable(1) User Commands enable(1)
NAME
enable, disable - enable/disable LP printers
SYNOPSIS
/usr/bin/enable printer...
/usr/bin/disable [-c | -W] [ -r [reason]] printer...
DESCRIPTION
The enable command activates printers, enabling them to print requests submitted by the lp command. enable must be run on the printer
server.
The disable command deactivates printers, disabling them from printing requests submitted by the lp command. By default, any requests that
are currently printing on printer will be reprinted in their entirety either on printer or another member of the same class of printers.
The disable command must be run on the print server.
Use lpstat -p to check the status of printers.
enable and disable only effect queueing on the print server's spooling system. Executing these commands from a client system will have no
effect on the server.
OPTIONS
The following options are supported for use with disable:
-c Cancels any requests that are currently printing on printer. This option cannot be used with the -W option. If the printer
is remote, the -c option will be silently ignored.
-W Waits until the request currently being printed is finished before disabling printer. This option cannot be used with the
-c option. If the printer is remote, the -W option will be silently ignored.
-r [reason] Assigns a reason for the disabling of the printer(s). This reason applies to all printers specified. This reason is
reported by lpstat -p. Enclose reason in quotes if it contains blanks. The default reason is "unknown reason" for the
existing printer, and "new printer" for a printer added to the system but not yet enabled.
OPERANDS
The following operand is supported for both enable and disable:
printer The name of the printer to be enabled or disabled. Specify printer using atomic name. See printers.conf(4) for information
regarding the naming conventions for atomic names.
EXIT STATUS
The following exit values are returned:
0 Successful completion.
non-zero An error occurred.
FILES
/var/spool/lp/* LP print queue.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWpcu |
+-----------------------------+-----------------------------+
|CSI |enabled |
+-----------------------------+-----------------------------+
SEE ALSO
lp(1), lpstat(1), printers.conf(4), attributes(5)
SunOS 5.10 9 Sep 1996 enable(1)