Gestetner B070 Service Manual page 530

ELECTRICAL COMPONENT DESCRIPTIONS
6.5.2 ADF
Symbol Name
Motors
M1 Pick-up
M2 Feed-in
M3 Transport Belt
M4 Feed-out
M5 Bottom Plate
Sensors
S1 APS Start
S2 DF Position
S3 Original Set
S4 Bottom Plate HP
S5 Bottom Plate Position
S6 Pick-up Roller HP
S7 Entrance
S8 Registration
S9 Original Width 1
S10 Original Width 2
S11 Original Width 3
S12 Original Length
S13 Exit
S14 Inverter
S15 Feed Cover
S16 Exit Cover
Solenoids
SOL1 Exit Gate
SOL2 Inverter Gate
Magnetic Clutches
MC1 Feed-in
PCBs
PCB1 DF Main
PCB2 DF Indicator
B070/B071
CÓPIA NÃO CONTROLADA
Moves the pick-up roller up and down.
Drives the feed belt, and the separation, pick-up, and
transport rollers.
Drives the transport belt.
Drives the exit and inverter rollers.
Moves the bottom plate up and down.
Informs the CPU when the DF is opened and closed (for
platen mode) so that the original size sensors in the
copier can check the original size.
Detects whether the DF is lifted or not.
Detects whether an original is on the table.
Detects whether the bottom plate is in the down position
or not.
Detects when the original is at the correct position for
feeding.
Detects whether the pick-up roller is up or not.
Detects when to restart the pick-up motor to lift up the
pick-up roller, detects when to change the feed motor
direction, detects the trailing edge of the original to
finish checking the original length, and checks for
misfeeds.
Detects the leading edge of the original to check the
original length, detects when to stop the original on the
exposure glass, and checks for misfeeds.
Detects the original width.
Detects the original width.
Detects the original width.
Detects the original length.
Detects when to stop the transport belt motor and
checks for misfeeds.
Detects when to turn the inverter gate and exit gate
solenoids off and checks for misfeeds.
Detects whether the feed cover is open or not.
Detects whether the exit cover is open or not.
Opens and closes the exit gate.
Opens and closes the inverter gate.
Drives the feed belt, separation roller, and pick-up roller.
Controls the DF and communicates with the main copier
boards.
Indicates whether an original has been placed in the
feeder, and indicates whether SADF mode has been
selected.
6-14
CÓPIA NÃO CONTROLADA
Function
SM