Thanks for so fast response. I was doing this "dust checking" on the sensor good few times and picture that camera taking looks fine(no marks on this white screen). Using this option in my camra "dust removal" did't help at all.
Clean with? dust air blower? or do i need something better
sorry for bothering you

Hi!
Just bought pentax k-r two days ago and looks like have the same problem.
Not happy at all went over 300km to buy camera...
Hate living in Ireland with no service for any company all have their services in UK.


link
Or maybe i'm wrong i need just some clean wet or something (yes i'm new)
sorry for my english