php_printer.dll and Windows2003

I'm having trouble with the php_printer.dll extension. Here is my 
configuration:

OS: Windows Server 2003 standard
Apache 2.0.58
PHP 5.1.4

I'm getting the following error in event viewer every time a CLI or php.exe 
script is run:

Faulting application php-win.exe, version 5.1.4.4, faulting module unknown, 
version 0.0.0.0, fault address 0x00f71590.

Faulting application php.exe, version 5.1.4.4, faulting module unknown, 
version 0.0.0.0, fault address 0x00e01590.

When I comment out the extension=php_printer.dll from php.ini, these errors 
stop. Any ideas?

Also, how come I cannot find the php_printer package on pecl.php.net?

Thanks,
Dominic