Halkyon Development Team Ltd.

HDT47X2 Printer Driver Ver. 1.5.2.25
for Windows NT 4.0 -
- User Manual -

CONTENTS:

SUPPORTED PRINTER MODELS
SYSTEM REQUIREMENTS
CABLE CONNECTION
INSTALLATION
PRINTER FONTS
PRINTING GRAPHICS
SETTINGS
UNINSTALLATION
CURRENT LIMITATIONS
KNOWN BUGS
VERSION HISTORY
DEMO VERSION
SUPPORT

1. SUPPORTED PRINTER MODELS

The HDT47x2 Printer Driver can be used for IBM 4712, IBM 4722 printers (please note that the REMS unit is not supported!) and IBM printers that support 4722 emulation (models 4009, 9068, 9069, 9055-002, Jarfalla BP24, etc.).

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2. SYSTEM REQUIREMENTS

This software can be installed only on Windows NT version 4.0 (or higher), and on PC (Intel processor or compatible) hardware environment. The IBM printer must be serial connected to the PC and MUST have Ucode level 6.01 or higher.
Failure to meet any of the above requirements will result in unpredictable result for both your system and hardware.

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3. CABLE CONNECTION

You can find below the scheme for making the connection cable between computer and IBM 47x2 printer.

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4. INSTALLATION

Unzip the distribution files in a temporary folder.
From the folder where you have unzipped the files, start Install.exe.
After Install.exe has been started, from the combo box select the COM port to which the printer is connected and then press 'Install'.
After installation is complete make sure that you have set your IBM printer's Host attachment to "4722 Device driver" emulation if your printer supports 4722 emulation, Baud rate set to "9600", and CTS handling set to "Honor CTS".
For details about cable connecting your printer to the computer see Cable.txt.

IMPORTANT:

If you encounter an error message during the installation, saying something like: your present "RasDD.DLL or RasDDui.DLL is on a higher level or different language, do you still want to install the new one?"
We recommend you to answer "NO".

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5. PRINTER FONTS

HDT47x2 Printer Driver comes with resident printer fonts. For example, you can see this fonts when you:

start WordPad;
go to Page Setup and select HDT47x2 Printer;
open the combo box with fonts from the toolbar; and
look for font names that have printer icon in front of them.

If you print with the printer fonts you can gain in printing speed. Currently supported code pages are: 437 (ASCII - Default), 855 (Cyrillic), 850 (Multilingual: all European countries and Latin American countries).

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6. PRINTING GRAPHICS

HDT47x2 prints graphics with only 8 pins of the printer head. This is limitation of the IBM printer model 47x2. Because of that the printing speed and quality is average. If you print only text, we recommend using "Prestige" printer fonts for fastest printing.

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7. SETTINGS

In your WinNT folder you can find HDT47x2.INI file. In this INI file you can specify following settings:

In the [Messages] section:

- ShowMessages variable tells the driver to show messages in a message box. Set this variable to 1 if you want to see messages and respond to them. Otherwise set this variable to 0.

- ShowExceptionMessages variable tells the driver to show error messages due to which the printing has stopped. Set this variable to 1 if you want to see this messages. Otherwise set to 0.

In the [Buffer] section:

- Length variable tells the driver how big buffer to allocate for printing documents. This variable is set to 512 bytes by default. Using this variable in conjunction with UseBuffer=1 can vastly improve printing speed. You can experiment with the size of the buffer. It is always better to set the buffer size to 512 or 1024 bytes, because if the buffer is set to a larger size, when the printer is stopped its internal buffer might still not be empty, and when the next printing starts the printer could print some garbage.

- UseBuffer variable tells the driver that it should use a buffer when printing (1-selected and 0-not selected). This is useful if you want to gain in printing speed. If you need high printing speed, we recommend you to set this variable to 1 and to set the Length variable to the desired size.

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8. UNINSTALLATION

To uninstall the printer driver, go to the Printers folder and delete the printer. After that, start Regedit and delete the following registry keys if they are not deleted:

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Print\Environments\Windows NT x86\Drivers\Version-2\HDT 47x2 Printer]

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\HDTMON40]

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Control\Print\Environments\Windows NT x86\Drivers\Version-2\HDT 47x2 Printer]

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Control\Print\Monitors\HDTMON40]

Restart the computer.

Delete following files from your winnt system32 folder:
HDT4009.DLL
HDTMON40.DLL
WNT47x2.DLL
WNTSFPRT.DLL

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9. CURRENT LIMITATIONS

1. Printer fonts. The correct shapes of the printer fonts typefaces are not implemented on the screen fonts. It means that even though the font typefaces look as standard on the screen, you will still have the correct typeface on the printout.

2. Messages and error messages are only in English.

3. The driver is not WOSA/XFS compliant because it is designed as a standard Windows printer driver.

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10. KNOWN BUGS

None.

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11. VERSION HISTORY

January 2000:
1.5.2.25 Version.

- Fixed bug in version 1.5.2.24: Occasional "General Protection Fault" error received after sellecting "Cancel" from the dialog box that appears after each printed page while printing multiple pages.

November 1999:
1.5.2.24 Version.

- "Communication Error" bug fixed.
- Misc. section and UsingOnlyPrinterFonts variable in the INI file are removed.
- UseBuffer variable added in Buffer section of the INI file.
- Minor changes in user information and interaction.
- Some changes in the documentation files.

September 1999:
1.0 Version.

- First release.

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12. DEMO VERSION

The demo version of the printer driver is fully functional but our company name, e-mail and web address appear on the top of each printed page. This is not the case in the registered version.

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13. SUPPORT

Please feel free to send any bugs, suggestions, questions or comments to: support@halkyon.com with subject 'HDT47x2'. We will reply back as soon as possible. Check our web site at http://www.halkyon.com for prices, news and updates.

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