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MR-3018 GENERAL DESCRIPTION June 2005 © TOSHIBA TEC
2 - 4
2.4 Symbols and Functions of Various Components
1) Motors
2) Sensors and Switches
3) Solenoid
4) PC board
Symbol Name Function
M1 Original feed motor Drives the original feed roller, pickup roller and registration roller.
M2 Read motor Transports originals by driving the intermediate transport roller, front
read roller, platen roller, rear read roller and reverse registration roller.
M3 Original exit/reverse motor Drives the original exit/reverse roller.
M4 Fan motor Cools off the ADF drive section and ADF board.
Symbol Name Function
S1 Original tray sensor Detects the length of the original set on the original tray.
S2 Original tray width sensor Detects the width of the original set on the original tray.
S3 Original empty sensor Detects the original set on the original tray.
S4 Original length detection
sensor
Detects the length of the original.
S5 Original registration sensor Detects transport of the original at the registration roller section.
S6 Original width detection sen-
sor-1
Detects the width of the original.
S7 Original width detection sen-
sor-2
Detects the width of the original.
S8 Original intermediate trans-
port sensor
Detects the original transported to the Pre-scanning section.
S9 Read sensor Detects the leading edge of the original at the original scanning section.
S10 Original exit/reverse sensor Detects the exit (transit) of an original. Also detects the stop reference
position for an original when in reverse.
S11 Jam access cover sensor Detects opening/closing of the Jam access cover.
S12 RADF opening/closing sen-
sor
Detects opening/closing of the RADF.
SW1 Jam access cover opening/
closing switch
Switches between cutoff and supply state of the 24 V power by open-
ing/closing of the jam access cover.
Symbol Name Function
SOL1 Original pickup solenoid Drives up and down the original pickup roller.
SOL2 Gate solenoid Drives the reverse flapper. (Switches the flapper to the reverse side
when turned to ON.)
Symbol Name Function
ADF RADF control PC board
(ADF board)
Controls the RADF.