Automatic Litterbox Central

Hi all,

I recently purchased a "new Purrforma Plus Jumbo" litterbox from an eBay seller (with excellent feedback). I received a box that said "Performa Plus" on the outside (not 'Purrforma - is this normal?). I have a couple of questions to cofirm the model I received.

First off, it arrived used(!). There were traces of cat litter in the pan and on the carpeted ramp, and several items were loose: the ac adapter, rake, and videotape. The clear liner also had lines scratched in it, made by the rake.

But I also believe the model is the older, non-PLUS version. Can anyone tell me what to look for? The inspection sticker on the bottom of the waste bin area had a date of 9-9-03, which was well before the new model was released. Also, is there supposed to be a black marking in the pan to show the proper litter level? I know the rake is different, but that may have been replaced by the new version. (The manual was for the Plus model.)

Are there any other differences to check for to identify which model the unit is? Thx!!!