SCANNER hp Color 9850mfp (2) When AE/ACS has been set (the scanner mode) [2] [1] [3] [4] [5] II UNIT EXPLANATION [6] [7] [8] [1] Home position [5] 2nd white correction [2] PS1 [6] AE/ACS scan (429mm/s) [3] [7] Exposure scan (220mm/s) Scanner APS position [4] 1st white correction [8] Home position search 2-6