OP7200 font convert

Hello,

I got a problem with the imporiting from a font. I got a font imported but my problem is the space between the characters. That space is allmost the same a the characters him selve.

// Font : Arial (72pt,Bold)
// Monochrome : Black Foreground, White Background
// Mode : Landscape
// Width : 81 Pixels
// Height : 96 Pixels
// Range : 0x20…0x7A
// Init : glXFontInit ( &fontdesc,81,96,0x20,0x7A,Arial72 );

The width is 81 but the characters are not that wide.
What can i do about this.