Serial printer EPSON (Wha is the protocol (program) and topology?)
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Posts: 46,084
Dear Basic Stamp´s Friends
I would like to know if you have worked in any proyect to controller a
serial printer and parallel printer... Because i need to controller one
Epson printer with this two port, I need to create a board with select to
controller two type printer
One of them is serial, the other is parallel... I don't know what is the
topology and protoicol to controller one printer by serial port... Can you
help me please......
i find in the web yahoo Parallax site one file to controller a parallel
printer, but i don't find the file to controller serial Printer, please help
me about what is the topology and protoicol to controller one printer by
serial port
I appreciate your help and prompt response
Best Regards
Atentamente.
Ing. Damian Trujillo G.
VENPROELEC C.A.
Caracas - Venezuela
) +58-416-8180941
+ familiatrujillo@c...
.
[noparse][[/noparse]Non-text portions of this message have been removed]
I would like to know if you have worked in any proyect to controller a
serial printer and parallel printer... Because i need to controller one
Epson printer with this two port, I need to create a board with select to
controller two type printer
One of them is serial, the other is parallel... I don't know what is the
topology and protoicol to controller one printer by serial port... Can you
help me please......
i find in the web yahoo Parallax site one file to controller a parallel
printer, but i don't find the file to controller serial Printer, please help
me about what is the topology and protoicol to controller one printer by
serial port
I appreciate your help and prompt response
Best Regards
Atentamente.
Ing. Damian Trujillo G.
VENPROELEC C.A.
Caracas - Venezuela
) +58-416-8180941
+ familiatrujillo@c...
.
[noparse][[/noparse]Non-text portions of this message have been removed]
Comments
There is no real 'standard', but there are certain
conventions.
1. When the printer is out of paper, or its buffer
is full, it will drop the 'DTR' signal, to say it
is not ready. Your program should monitor this
signal so you don't overrun the buffer.
2. Some printers let you set 'XON/XOFF' (as a
DIP switch setting in the printer). When
this is true, when out of paper, or its buffer
is full, it will send an XOFF character (CTRL-S,
CHR(19)) When it is ready to receive characters
again, it will send an XON (CTRL-Q, CHR(17)).
If you send at 300 baud or so, ANY printer should
be able to keep up.
3. You MUST use a MAX232 or similar driver chip.
Printers want the full +- voltage from RS232.
--- In basicstamps@yahoogroups.com, "Ing. Damian Armando Trujillo G"
<dtrujillo_riese@c...> wrote:
> Dear Basic Stamp´s Friends
>
> I would like to know if you have worked in any proyect to
controller a
> serial printer and parallel printer... Because i need to controller
one
> Epson printer with this two port, I need to create a board with
select to
> controller two type printer
> One of them is serial, the other is parallel... I don't know what
is the
> topology and protoicol to controller one printer by serial port...
Can you
> help me please......
>
> i find in the web yahoo Parallax site one file to controller a
parallel
> printer, but i don't find the file to controller serial Printer,
please help
> me about what is the topology and protoicol to controller one
printer by
> serial port
>
> I appreciate your help and prompt response
>
> Best Regards
>
> Atentamente.
> Ing. Damian Trujillo G.
> VENPROELEC C.A.
> Caracas - Venezuela
> ) +58-416-8180941
> + familiatrujillo@c...
> .
>
> [noparse][[/noparse]Non-text portions of this message have been removed]
only use TX (pin 2), RX (pin 3) and GND.
If you use hardware handshaking, you'll also
need DTR (pin 20).
It depends on the printer if they 'listen' on
TX, or 'talk' on TX. You'll have to verify that.
A simple swap of RX and TX pins will fix that.
--- In basicstamps@yahoogroups.com, "Allan Lane" <allan.lane@h...>
wrote:
> Serial printers tend to be rare -- but they do exist.
>
> There is no real 'standard', but there are certain
> conventions.
>
> 1. When the printer is out of paper, or its buffer
> is full, it will drop the 'DTR' signal, to say it
> is not ready. Your program should monitor this
> signal so you don't overrun the buffer.
>
> 2. Some printers let you set 'XON/XOFF' (as a
> DIP switch setting in the printer). When
> this is true, when out of paper, or its buffer
> is full, it will send an XOFF character (CTRL-S,
> CHR(19)) When it is ready to receive characters
> again, it will send an XON (CTRL-Q, CHR(17)).
>
> If you send at 300 baud or so, ANY printer should
> be able to keep up.
>
> 3. You MUST use a MAX232 or similar driver chip.
> Printers want the full +- voltage from RS232.
>
>
> --- In basicstamps@yahoogroups.com, "Ing. Damian Armando Trujillo
G"
> <dtrujillo_riese@c...> wrote:
> > Dear Basic Stamp´s Friends
> >
> > I would like to know if you have worked in any proyect to
> controller a
> > serial printer and parallel printer... Because i need to
controller
> one
> > Epson printer with this two port, I need to create a board with
> select to
> > controller two type printer
> > One of them is serial, the other is parallel... I don't know
what
> is the
> > topology and protoicol to controller one printer by serial
port...
> Can you
> > help me please......
> >
> > i find in the web yahoo Parallax site one file to controller a
> parallel
> > printer, but i don't find the file to controller serial Printer,
> please help
> > me about what is the topology and protoicol to controller one
> printer by
> > serial port
> >
> > I appreciate your help and prompt response
> >
> > Best Regards
> >
> > Atentamente.
> > Ing. Damian Trujillo G.
> > VENPROELEC C.A.
> > Caracas - Venezuela
> > ) +58-416-8180941
> > + familiatrujillo@c...
> > .
> >
> > [noparse][[/noparse]Non-text portions of this message have been removed]
Thank you for your email... You try to tell me .. that i only need to plane
one MAX232 to conect the two line of the parallax and i only need to use the
command SEROUT..... and use only TX and RX..... I appreciate your help....
Mr... Plaese let me know what is the more easy topology to connect the
parallele printer... I appareciate your help
Best Regards
Atentamente.
Ing. Damian Trujillo G.
RIESE & CIA, S.A.
Caracas - Venezuela
) +58-212-7934266/4377
7 +58-212-7940791/0908
+ dtrujillo_riese@c...
Original Message
From: basicstamps@yahoogroups.com
Date: Mi
The company I used to work for sold probably 3000+ of the 300 and 300+ in
the last 6 years.
Original Message
Serial printers tend to be rare -- but they do exist.
There is no real 'standard', but there are certain
conventions.
1. When the printer is out of paper, or its buffer
is full, it will drop the 'DTR' signal, to say it
is not ready. Your program should monitor this
signal so you don't overrun the buffer.
2. Some printers let you set 'XON/XOFF' (as a
DIP switch setting in the printer). When
this is true, when out of paper, or its buffer
is full, it will send an XOFF character (CTRL-S,
CHR(19)) When it is ready to receive characters
again, it will send an XON (CTRL-Q, CHR(17)).
If you send at 300 baud or so, ANY printer should
be able to keep up.
3. You MUST use a MAX232 or similar driver chip.
Printers want the full +- voltage from RS232.
--- In basicstamps@yahoogroups.com, "Ing. Damian Armando Trujillo G"
<dtrujillo_riese@c...> wrote:
> Dear Basic Stamp´s Friends
>
> I would like to know if you have worked in any proyect to
controller a
> serial printer and parallel printer... Because i need to controller
one
> Epson printer with this two port, I need to create a board with
select to
> controller two type printer
> One of them is serial, the other is parallel... I don't know what
is the
> topology and protoicol to controller one printer by serial port...
Can you
> help me please......
>
> i find in the web yahoo Parallax site one file to controller a
parallel
> printer, but i don't find the file to controller serial Printer,
please help
> me about what is the topology and protoicol to controller one
printer by
> serial port
>
> I appreciate your help and prompt response
>
> Best Regards
>
> Atentamente.
> Ing. Damian Trujillo G.
> VENPROELEC C.A.
> Caracas - Venezuela
> ) +58-416-8180941
> + familiatrujillo@c...
> .
>
> [noparse][[/noparse]Non-text portions of this message have been removed]
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