Olivetti DF-790 Service Manual page 12

(1) Main tray elevation operation ......................................................................................... 2-1-12
(2) ........................................................................................................................................ 2-1-12
2-1-5 Center-folding unit section (option)...................................................................................... 2-1-13
(1) Paper centerfold operation(center-folding,tri-folding) ..................................................... 2-1-15
2-1-6 Mailbox (option) ................................................................................................................... 2-1-18
(1) Eject operation to mailbox tray ....................................................................................... 2-1-20
2-1-7 Punch unit(Option)............................................................................................................... 2-1-21
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout ............................................................................................................ 2-2-1
(1) PWBs................................................................................................................................ 2-2-1
(2) Switches and sensors....................................................................................................... 2-2-2
(3) Motors............................................................................................................................... 2-2-4
(4) Solenoids and cluch ......................................................................................................... 2-2-5
(5) Bridge section................................................................................................................... 2-2-6
(6) Center-folding unit (option) ............................................................................................... 2-2-7
(7) Mailbox (option) ................................................................................................................ 2-2-9
(8) Punch unit(Option).......................................................................................................... 2-2-10
2-3 OperatIOn Of the PWBs
2-3-1 DF maIn PWB........................................................................................................................ 2-3-1
2-3-2 Centerfold main PWB .......................................................................................................... 2-3-10
2-3-3 Mailbox main PWB .............................................................................................................. 2-3-14
2-3-4 Bridge PWB ......................................................................................................................... 2-3-17
2-3-5 Punch unit PWB .................................................................................................................. 2-3-19
2-4 Appendixes
2-4-1 Appendixes ............................................................................................................................ 2-4-1
(1) Wiring diagram ................................................................................................................ 2-4-1
3NB/3ND/3N0/3NK