Unable to convert file....

[Ivanfat at kar.net]

OS : Linux linux 2.4.20-alt6-u
cups: 1.1.18-alt4
printer: HP LaserJet

When i print, in my error.log file is next:
D [19/Jul/2004:18:51:58 +0300] StartJob(19, 0x808dda0)
D [19/Jul/2004:18:51:58 +0300] StartJob() id = 19, file = 0/1
E [19/Jul/2004:18:51:58 +0300] Unable to convert file 0 to printable format for job 19!
I [19/Jul/2004:18:51:58 +0300] Hint: Do you have ESP Ghostscript installed?
D [19/Jul/2004:18:51:58 +0300] CancelJob: id = 19

Ghostscript 7.05.-alt15 installed
What is it?

Great thanks before..

Lipovoy Ivan.