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Printer Interface

Discussion in 'Misc Electronics' started by Dingus, Dec 29, 2004.

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  1. Dingus

    Dingus Guest

    Anyone got ideas on this problem.....

    I want to be able to use a USB printer on a machine that has a Centronics
    printer output port.
    The printer port on the machine is not a 25 pin parallel socket, it is a
    Centronics socket.

    The machine provides the option to select types of printers, eg: Epson, B&W,
    Color, IBM etc.

    If anyone knows of a readily available piece of hardware, that would be
    great. Otherwise a circuit or circuit ideas.

    Thanks in advance,

    Cheers.

    !!! HAPPY & PROSPEROUS 2005 TO ALL !!!
     
  2. Jerry G.

    Jerry G. Guest

    If your printer is a parallel port, go out and buy a parallel port card for
    your computer, open it up, and install the card. Converting USB to parallel
    is not a good idea. I found this type of conversion to not be reliable. As
    for building your own converter, this I have no idea of, or would even
    bother to go that far.

    The other alternative, which is more expensive is to put an Ethernet to
    parallel converter on your computer network. Then you can have the printer
    work as a network printer.

    --

    Jerry G.
    =====

    Anyone got ideas on this problem.....

    I want to be able to use a USB printer on a machine that has a Centronics
    printer output port.
    The printer port on the machine is not a 25 pin parallel socket, it is a
    Centronics socket.

    The machine provides the option to select types of printers, eg: Epson, B&W,
    Color, IBM etc.

    If anyone knows of a readily available piece of hardware, that would be
    great. Otherwise a circuit or circuit ideas.

    Thanks in advance,

    Cheers.

    !!! HAPPY & PROSPEROUS 2005 TO ALL !!!
     
  3. Dingus

    Dingus Guest

    The problem is this. The 'machine' is a US$0.3M piece of industrial plant,
    not a PC, and has a Centronics printer port attached for use with a
    centronics type printer. Practically all modern available printers are USB.
    We would like to be able to run an 'off-the-shelf' USB printer from this
    'machine'.
     
  4.  
  5. Jim Thompson

    Jim Thompson Guest

    [snip]

    Does your 'machine' have an operating system?

    Then this might help...

    http://www.kemtec.com/info files/DOSUSBprint.pdf

    But why not just get a parallel port printer? They're still
    available.

    ...Jim Thompson
     
  6. The interface you want requires the building of a USB host. This can be done
    and is done but AFAIK not for a printer interface. Cypress - for instance -
    has the SL811SH which contains almost all of the hardware required. You have
    to add a good micro and write some pretty special software.

    Another solution is using not to old a PC running WIN98SE. You can use an
    EEP printer port to interface with your computers Centronics port and a USB
    interface for the printer. Nevertheless it also requires some special
    software to be written.

    Simplest solution is using another printer. Except for the cheapest ones,
    most of the better printers still have a parallel interface.

    petrus bitbyter
     
  7. Jerry G.

    Jerry G. Guest

    Does this specialized machine have Ethernet capability?

    If so and you want only to use a USB printer, your only solution would
    be to get a simple PC machine that can run Windows that has USB ports,
    and use it as a network printer server. Any good IT man can set this up
    very quickly, as long as he can know the setup for your source machine
    that you say is specialized, and that the printer you buy is network
    compatable between the two machines.

    Also, you should consider that HP, and a few others still make parallel
    port type printers for industrial applications.

    Jerry G.
    ======
     
  8. I don't have any solution.

    You need is so rate that propalbly the cheapest and most
    relaible solution would be to still find a printer that
    has parallel port interface. Those exist still...
    For example check laser printers from HP.
     
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