Accessing printer through serial port Post: 302301834

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Operating Systems OS X (Apple) Accessing printer through serial port Post 302301834 by hougeman on Saturday 28th of March 2009 03:52:08 PM

03-28-2009

Registered User

Accessing printer through serial port

Hey, im new to processing so any help you could give me would be much appreciated.
I am trying to get control of the rollers on my 9 pin dot matrix printer (epson LX 300+). Initially I was going to do this through arduino but hope to do it through processing using the serialwrite programme.

The printer has a serial port and I am using the a serial to USB on my MAC OSX 10.4 system.

I am trying to understand the serial write application but am finding it very difficult.
In string portName = serial.list()[0] I'm not sure what to put in, but the result I get from doing this is:

Native lib Version = RXTX-2.1-7
Java lib Version = RXTX-2.1-7

but when I change the [0] to 1 I get:

Experimental: JNI_OnLoad called.
I googled these results and did not find anything too helpful.

I have been told that I should find the manual for the printer and this will tell me what to put into the simpleWrite, but what am I exactly looking for in the manual.

Any help you could give would be much appreciated.

Thank you.

p.s. I dont have a driver for the cable but can obtain it. Unfortunately I can't find drivers for the printer that will work on my MAC OS.

hougeman

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LEARN ABOUT ULTRIX

lprsetup

lprsetup(8) System Manager's Manual lprsetup(8)

Name
lprsetup - printer spooler set up program

Syntax
/etc/lprsetup

Description
The command provides an interactive easy-to-use facility for administrating the line printers on your system. The program contains on-line
help and default answers to questions about adding, deleting, or changing the characteristics of any of the line printers on your system.
Whenever a question is asked, the default selection is given in ] . You can press Return in response to the question to accept the
default, or enter an alternate value for the given parameter.

The program knows about all of the possible symbols in the file. See for a current list. After you have entered a printer specification,
and have verified that it is correct, then creates the spooling directory, links the output filter, and creates an entry for the new
printer.

If the printer is connected to your system, you must specify the printer device name which is in the lp printcap entry.

If lp is set to nn you are prompted to choose between or If your printer is connected to a port on your system, choose the default setting,
If you choose you are prompted for the baud rate, br. The default is the recommended baud rate for the printer.

If you want to set up your printer to a LAT line, choose the option. At this point, proceeds only if you have chosen a valid LAT device
for lp. It assumes that the LAT device has been configured for host initiated connections using If it has not, you must do this before the
queue works. For information about how to set up a LAT line, see Chapter 3 of the Guide to Ethernet Communications Servers.

If lp is set to another device, for example the program assumes that you are setting up a printer with a parallel port, for example, It
does not prompt you for device type information, and serial port specific entries are not put into the entry.

See Also
printcap(5), lpc(8), MAKEDEV(8)
Guide to Ethernet Communications Servers
Guide to System Environment Setup

lprsetup(8)