Rel lever is in wrong position. ......................................................................................................................... 661Remaining level of the ink cannot be correctly detected. Check ink tank. ........................................................ 663Roll feed unit error. ......................................................................................................................................... 662Roll printing is selected, but sheets are loaded. .............................................................................................. 657Roll printing is selected. .................................................................................................................................. 657Roll x is empty. (x is 1 (Upper) or 2 (Lower)) ..................................................................................................... 658Roll x is selected. (x is 1 (Upper) or 2 (Lower)) ................................................................................................. 657Roll x jam (x is 1 (Upper) or 2 (Lower)) ............................................................................................................. 660Sheet printing is selected. ............................................................................................................................... 659Sheet removed. .............................................................................................................................................. 659Stacker not ready. .......................................................................................................................................... 662The following ink tanks cannot be recognized. ................................................................................................ 664The mail box is full. ......................................................................................................................................... 669The paper is too small. ................................................................................................................................... 655The paper is too small. ................................................................................................................................... 655The roll feed unit is loose. ............................................................................................................................... 662This paper cannot be used as size is not supported. ...................................................................................... 657This type of paper is not compatible with HP-GL/2. ........................................................................................ 670Top cover is open. .......................................................................................................................................... 671Unknown file. .................................................................................................................................................. 672Wrong ink tank. .............................................................................................................................................. 664Wrong maintenance cartridge. ........................................................................................................................ 668Wrong printhead. ............................................................................................................................................ 666iPF850User's GuideError Message Error Messages653
