E [02/Oct/2011:08:40:59 +0200] Filter "hpgltops" not found.
E [02/Oct/2011:08:40:59 +0200] Filter "pstoraster" not found.
W [02/Oct/2011:08:40:59 +0200] failed to AddProfile: org.freedesktop.ColorManager.Failed:profile object path '/org/freedesktop/ColorManager/profiles/Photosmart_C4500_series_Gray__' has already been added
W [02/Oct/2011:08:40:59 +0200] failed to AddProfile: org.freedesktop.ColorManager.Failed:profile object path '/org/freedesktop/ColorManager/profiles/Photosmart_C4500_series_RGB__' has already been added
E [02/Oct/2011:10:16:31 +0200] Returning IPP client-error-not-authorized for Resume-Printer (ipp://localhost/printers/Photosmart-C4500-series) from localhost
E [02/Oct/2011:10:16:34 +0200] [Job 3] Unable to get scanline 0!