'OutOfPaper' Err.Msg. whenTray'sFull -Tried Fix for HP7525; Others?

Site says 'No Q's" for C309(yet):

Tried Fix given for HP7525 for same, erroneous Err.Msg.: 'OutOfPaper" when Tray is Full (or ½-Not'too'full) w/No luck; Other possibilities?

Also: any help w/'conciseing-up' (Down, actually, I guess) my Q's would be appreciated > {Took me almost half an hr.; Uh..., I mean: 'Spent ~30min.'} to fit this Q. into space [allowed].

Thanx, DianeMcC.