Re: Local priner problem

Debug of [..]/sbin/jetpipe revealed line 50: only '/dev/tty..' are 
serial, devicetype 'S'. Other names will be parralel devicetype 'P'.

jetpipe:
>       50         if devicename[:8] == '/dev/tty':*# This should catch regular serial and USB serial*
[..]

>       59             self.devicetype = 'S'
>       60         else:
>       61             self.device = open(devicename, 'wb')
>       62             self.devicetype = 'P'

I 'eliminated' this error and useing '/dev/usb/lp0' jetpipe threw an 
exception:
serial.serialutil.SerialException("Could not configure port:(25, 
'Inappropriate ioctl for device')

The comment on line 307 (serialposix.py) might be your answer.
>      305         try:
>      306             iflag, oflag, cflag, lflag, ispeed, ospeed, cc = termios.tcgetattr(self.fd)
>      307         except termios.error, msg:*# if a port is nonexistent but has a /dev file, it'll fail here*
>      308             raise SerialException("Could not configure port: %s" % msg)
Why the prot would be nonexistent I do not know; /dev/usb/lp0 gets 
created when a printer is connected to a usb port.

Jaap

On 03/05/2013 02:11 PM, Radek Bursztynowski wrote:
> Thanks a lot for all help, but still nothing. Let me explain my today exercise.
>
> The first I used Julius's advice:
>         PRINTER_0_TYPE=S
>          PRINTER_0_DEVICE="/dev/usb/lp0"  # /dev/usblp0 is symbolic link to /dev/usb/lp0
>          PRINTER_0_WRITE_ONLY=Y
>
> Nothing.
> telnet 192.168.1.10:9100
> connection refused.
>
> So, I started on thin client (shell console) jetpipe manually.
>
> Now telnet 192.168.1.10 9100
> connects, but still I couldn't print.
>
> So I added /usr/sbin/jetpipe to /etc/rc.d/rc.local. Now every time telnet 192.168.1.10 9100 connects, but the printer doesn't print.
>
> I changed PRINTER_0_TYPE=S with "U", still nothing.
>
> I installed using chroot python-daemon, still nothing.
> ps aux | grep python*
> shows that any python process isn't running.
>
> But very interesting - when I added this printer connected to thin client using system-config-printer on my LTSP server and I try to print test page, I can read the messages that printer is connected, next - the file sent to the printer, next "waiting for finishing printing job", and next "ready to use". But my printer didn't print anything.
>
> The advice with /dev/lp0 I tried too - still noting.
>
>
>
> When I try to add this printer on Windows computer using TCP/IP port (192.168.1.10:9100) I can see the message, that the printer is not connected (still telnet 192.168.1.10 9100 connects).
>
> Any other advice, please?
>
> Best regards,
> Radek
>
>
> ----- Original Message -----
> From: "Santiago Mera"<[email protected]>
> Sent: Mon, 3/4/2013 8:54pm
> To: "Support list for open source software in schools."<[email protected]>
> Subject: Re: [K12OSN] Local priner problem
>
> Yes, that would usually be the case I think.What happened to us with parallel printers is that we see no device in the /dev directory that corresponds to the printer (no /dev/lp0 or similar). So no matter what you put in PRINTER_0_DEVICE, jetpipe will complain about not finding the device and dies.
> We ended up not bothering about parallel printing and are now using serial or usb.
> ----
> Ing. Santiago Mera
> Droguería Uruguay S.A.
> Tel: (+598) 2408 7505 int. 264
>
> From: "Burke Almquist"<[email protected]>
> To: "Support list for open source software in schools."<[email protected]>
> Sent: Monday, March 4, 2013 5:30:55 PM
> Subject: Re: [K12OSN] Local priner problem
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
>
> On Mar 4, 2013, at 11:56 AM, Santiago Mera wrote:
>
>> Hello Radek,
>> I have the same server as yours. The first time I tried to print locally I had the similar problems (jetpipe wasn't running).
>>
>> I solved this by installing the python-daemon package in the chroot.
>> I'm still unable to print to a printer connected to the thin client via the parallel port though.
>>
> I think for parallel port printers you need to use
>   PRINTER_0_DEVICE          = "/dev/lp0"                 instead of "/dev/usblp0"
>      PRINTER_TYPE                  = P                                 instead of U or S
>
>
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