Also, is it possible to clean the white target? If so, what would be the procedure? (I don't want to ruin it.) Also, is it possible to force it to read without calibrating to the target first? -------------------------------------------- On Mon, 10/6/14, Alan Rockwood <alanrockwood2000@xxxxxxxxx> wrote: Subject: Re: [argyllcms] Re: i1 pro - eye one pro - spotread error To: argyllcms@xxxxxxxxxxxxx Date: Monday, October 6, 2014, 1:15 AM This one is a UV filter device. I also bought a non-UV filter unit. It should arrive in a few days. -------------------------------------------- On Mon, 10/6/14, Graeme Gill <graeme@xxxxxxxxxxxxx> wrote: Subject: [argyllcms] Re: i1 pro - eye one pro - spotread error To: argyllcms@xxxxxxxxxxxxx Date: Monday, October 6, 2014, 12:02 AM Alan Rockwood (Redacted sender alanrockwood2000@xxxxxxxxx for DMARC) wrote: > Checking white reference failed, 0.11 < avg01 0.009096 < 0.22, 1.35 < avg2227 1.470756 < 1.6 Hmm. avg01 is rather low for a non-UV filter device. Precisely what it means, I don't exactly know. Graeme Gill.