hp Color 9850mfp SCANNER II UNIT EXPLANATION 1. SCANNER 1.1 Composition PS1 PS2 [7] [8] M1 CONT II UNIT EXPLANATION U V W DRIVE EM M2 [1] SCDB [2] [3] [4] [5] [6] PS4 PS3 PRCB OACB 2-1 Symbol Name Function or method [1] CCD board (CCDB) Converts an analog signal to a digital signal [2] DF reset read switch (RS1) Detects that RADF is closed Magnet sensor type [3] CCD unit Converts the read image optoelectronically (600dpi) 3 lines (RGB) linear image sensor [4] Exposure lamp (L1) The light source for reading an image Xenon fluorescent lamp (white) [5] Exposure unit Reads an image Light source moving slit exposure • Outgoing: 220mm/sec (at life-size) • Backhaul:
802mm/sec (at life-size) [6] V-mirror unit Reflects the read light (2nd, 3rd mirror) [7] Scanner wire Transfers the driving force from M1 to the exposure unit and the V-mirror unit (front, back) [8] L1 inverter (L1 INVB) Turns on L1 M1 Scanner motor Drives the scanner wire for moving the exposure unit and the V-mirror unit 3-phase stepping motor M2 Scanner cooling fan Cools the scanner section (exhaust) PS1 Scanner HP sensor Detects the home position for the exposure unit