localhost Einträge in CUPS access_log

Ich bekomme in der acces_log meiner CUPS installation ca alle 10-20 s folgende Einträge:
localhost - - [24/Mar/2006:15:20:30 +0100] "POST / HTTP/1.1" 200 272
localhost - - [24/Mar/2006:15:20:30 +0100] "POST / HTTP/1.1" 200 193
localhost - - [24/Mar/2006:15:20:30 +0100] "POST / HTTP/1.1" 200 270
localhost - - [24/Mar/2006:15:20:30 +0100] "POST / HTTP/1.1" 200 191
localhost - - [24/Mar/2006:15:20:30 +0100] "POST / HTTP/1.1" 200 275
localhost - - [24/Mar/2006:15:20:30 +0100] "POST / HTTP/1.1" 200 196
localhost - - [24/Mar/2006:15:20:30 +0100] "POST / HTTP/1.1" 200 272
localhost - - [24/Mar/2006:15:20:30 +0100] "POST / HTTP/1.1" 200 193
localhost - - [24/Mar/2006:15:20:30 +0100] "POST / HTTP/1.1" 200 272
localhost - - [24/Mar/2006:15:20:30 +0100] "POST / HTTP/1.1" 200 193
localhost - - [24/Mar/2006:15:20:50 +0100] "POST / HTTP/1.1" 200 273
localhost - - [24/Mar/2006:15:20:50 +0100] "POST / HTTP/1.1" 200 194
...

Was hat das zu bedeuten?
Wie kann ich dem Zauber ein Ende machen?