Printer prints gibberish

[Elijah <desiderata@softhome.net>]

I've had this problem in a while and I use my Canon 4310Sp to print some
files in openoffice or abiword but it prints something weird:

---------------
%!PS-Adobe-2.0
%%Creator: Abiword
%%Title: Untitled1
%%Orientation: Portrait
%%Pages 6
%%DocumentPaperSizes: Letter
%%DocumentSupplierResources: font NimbusRomNo9L-Regu
%%EndComments
%%BeginProlog
	/FSF {findfont exch scalefont} bind def
	/MS  {neg moveto show} bind def
--------------
this goes on and on ... 

I recently installed cups from synaptic (cupsys, cups-client,
cups-driver-gimp* ... )
and the command for my printer setup is commonly 'lpr'
Is there an easy way to fix this?

Elijah