In the php.ini make sure this points to the directory where the php_printer.DLL is. extension_dir = "./" Humberto Silva World Editing Portugal -----Original Message----- From: Luis Moreira [mailto:luis.moreira@esinnovation.pt] Sent: quarta-feira, 14 de Janeiro de 2004 15:03 To: php-windows@lists.php.net Subject: undefined printing functions Hi I am trying to write scripts to print data using PHP 4.2.2 (Win2K) , and keep getting Fatal error: Call to undefined function: WATHEVER_FUNCTION() in d:\myweb\printers.php on line xx (the line number matches the line where the function - any function - is called from) On PHP.INI, the corresponding extension php_printer.dll is not commenetd, and the DLL file exists. Any hints ? Thanks Luis