Cannot print on a USB printer with Java PrintService in Windows 2000. Why?

I want to print a simple ASCII file on a USB printer under Win2K and
found 2 problems. Here is the 2nd one.
Even though
PrintServiceLookup.lookupPrintServices(<DocFlavor>, <AttributeSet>)
returns nothing when I specify any AttributeSet, I can still print on the default printer, which I get by
PrintService defServicedefService = PrintServiceLookup.lookupDefaultPrintService();
but only on a parallel printer (HP Laserjet 4 Plus), either directly attached or over the network. When I try the very same code on a locally USB-attached printer, the printer is obviously reacting, but nothing is printed.
In case of a Lexmark 730 (an ink printer), the driver even lies, it has printed 100%,
on a Samsung CLP-510 (a color laser) the ready light flashes twice, that's all.
The file to be printed has 5 lines and a "0C"X at the end in order to force a page eject at the end.
I tried it with JDK 1.4.2 and with Java 6, same problem.
I should mention that I can print that little file out of the editor Textpad without any problem.

Thanks a lot for the quick hint, but it did not help.
I used BasicPrint.java and PrintJobWatcher.java of the samples for testing.
Printing a GIF file works both to a parallel printer and a USB printer.
Then I changed only the DocFlavor from DocFlavor.INPUT_STREAM.GIF to DocFlavor.INPUT_STREAM.AUTOSENSE, and that one works with my parallel printer, but on the USB printer the Ready light flashes twice, that's all.
The ASCII file must have a "0C"X at the end to force a page eject on the parallel printer
Maybe it is a matter of the DocFlavor, but which one?
DocFlavor("application/octet-stream", "java.io.InputStream") works like DocFlavor.INPUT_STREAM.AUTOSENSE.
DocFlavor.INPUT_STREAM.TEXT_PLAIN_HOST and DocFlavor.INPUT_STREAM.TEXT_HTML_US_ASCII cause sun.print.PrintJobFlavorException, and with DocFlavor.INPUT_STREAM.TEXT_PLAIN_US_ASCII just nothing happens on either printer, not even an error message.
I am getting the impression that nobody of the developers ever cared for testing such a simple thing as a plain ASCII file under Windows.
My printers I am using for the tests are
1. an old parallel-attached HP Laserjet 4 Plus and
2. a borrowed USB-attached Samsung CLP-510 color laser

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Cannot print on a USB printer with Java PrintService in Windows 2000

I want to print a simple ASCII file on a USB printer under Win2K and
found 2 problems. Here is the 2nd one.
Even though
PrintServiceLookup.lookupPrintServices(<DocFlavor>, <AttributeSet>)
returns nothing when I specify any AttributeSet, I can still print on the default printer, which I get by
PrintService defServicedefService = PrintServiceLookup.lookupDefaultPrintService();
but only on a parallel printer (HP Laserjet 4 Plus), either directly attached or over the network. When I try the very same code on a locally USB-attached printer, the printer is obviously reacting, but nothing is printed.
In case of a Lexmark 730 (an ink printer), the driver even lies, it has printed 100%,
on a Samsung CLP-510 (a color laser) the ready light flashes twice, that's all.
The file to be printed has 5 lines and a "0C"X at the end in order to force a page eject at the end.
I tried it with JDK 1.4.2 and with Java 6, same problem.
I should mention that I can print that little file out of the editor Textpad without any problem.
Edited by: eSchobbert on Jan 24, 2008 11:34 AM
By mistake I entered the same message another time after modifying the Subject instead of replacing the message. Sorry for that. If I knew how to delete it, I would. So please just ignore this one

Thanks a lot for the quick hint, but it did not help.
I used BasicPrint.java and PrintJobWatcher.java of the samples for testing.
Printing a GIF file works both to a parallel printer and a USB printer.
Then I changed only the DocFlavor from DocFlavor.INPUT_STREAM.GIF to DocFlavor.INPUT_STREAM.AUTOSENSE, and that one works with my parallel printer, but on the USB printer the Ready light flashes twice, that's all.
The ASCII file must have a "0C"X at the end to force a page eject on the parallel printer
Maybe it is a matter of the DocFlavor, but which one?
DocFlavor("application/octet-stream", "java.io.InputStream") works like DocFlavor.INPUT_STREAM.AUTOSENSE.
DocFlavor.INPUT_STREAM.TEXT_PLAIN_HOST and DocFlavor.INPUT_STREAM.TEXT_HTML_US_ASCII cause sun.print.PrintJobFlavorException, and with DocFlavor.INPUT_STREAM.TEXT_PLAIN_US_ASCII just nothing happens on either printer, not even an error message.
I am getting the impression that nobody of the developers ever cared for testing such a simple thing as a plain ASCII file under Windows.
My printers I am using for the tests are
1. an old parallel-attached HP Laserjet 4 Plus and
2. a borrowed USB-attached Samsung CLP-510 color laser

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Thank you! ^_^

Look at www.prosyst.com. There is an usb bundle (linux
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I get the following error message when I connect a usb ethernet adapter to my new MacBook Pro: Unsupported - You cannot use an Apple USB Modem with this computer. I live were we only have dial-up and the Apple Store said this is what I need.

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I too have been bit by the Leopard/wireless printing bug....
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I have aquired two Epson Stylus USB printers one of which I have connected to my Windows machine replacing a Star LS24-200 dot matrix serial printer. The other, a C86, is now connected to my G4 replacing a defunct C84.
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Hello TigerParis75,
Thanks for using Apple Support Communities.
For more information on this, take a look at:
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http://support.apple.com/kb/PH5114
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I'm replying to myself .... ;-) ahah
All we need for this purpose is JavaService, at link
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// Having one class, bug:
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*/

On Windows 2000 this program runs about 4-5000 calls to
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Cannot print on a USB printer with Java PrintService in Windows 2000. Why?

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