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 FREEBSD

ulpt

ULPT(4) 						   BSD Kernel Interfaces Manual 						   ULPT(4)

NAME

     ulpt -- USB printer support

SYNOPSIS

     To compile this driver into the kernel, place the following line in your kernel configuration file:

	   device ulpt

     Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

	   ulpt_load="YES"

DESCRIPTION

     The ulpt driver provides support for USB printers that follow the printer bi- or uni-directional protocol.  The bits in the minor number
     select various features of the driver.

	   Minor Bit	Function
	   64		Do not initialize (reset) the device on the port.

     Some printers cannot handle the reset on open; in case of problems try the unlpt device.

HARDWARE

     The ulpt driver provides support for USB printers and parallel printer conversion cables, including the following:

     o	 ATen parallel printer adapter
     o	 Belkin F5U002 parallel printer adapter
     o	 Canon BJ F850, S600
     o	 Canon LBP-1310, 350
     o	 Entrega USB-to-parallel printer adapter
     o	 Hewlett-Packard HP Deskjet 3420 (P/N: C8947A #ABJ)
     o	 Oki Data MICROLINE ML660PS
     o	 Seiko Epson PM-900C, 880C, 820C, 730C

FILES

     /dev/ulpt?   device with reset
     /dev/unlpt?  device without reset

SEE ALSO

     lpt(4), usb(4)

HISTORY

     The ulpt driver appeared in NetBSD 1.4.  This manual page was adopted from NetBSD by Tom Rhodes <trhodes@FreeBSD.org> in April 2002.

BSD
								 November 22, 2006							       BSD