Symbols And Functions Of Various Components - Toshiba MR-2017 Service Manual

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Symbols and Functions of Various Components

1) Motors
Symbol Name
M1 Original feed motor
M2 Read motor
2) Sensors and Switches
Symbol Name
S1 Original tray sensor
S2 Original tray width sensor
S3 Original empty sensor
S4 Original registration sensor
S5 Read sensor
S6 Original exit sensor
S7 Jam access cover sensor
S8 ADF opening/closing sensor
SW Jam access cover opening/
closing switch
3) Solenoid
Symbol Name
SOL Original pickup solenoid
4) PC board
Symbol Name
ADF ADF control PC board (ADF
board)
MR-2017/2020
GENERAL DESCRIPTION
Drives the original feed roller, pickup roller and registration roller.
Transports originals by driving the intermediate transport roller, front
read roller, rear read roller and exit roller.
Detects the length of the original set on the original tray.
Detects the width of the original set on the original tray.
Detects the original set on the original tray.
Detects transport of the original at the registration roller section.
Detects the leading edge of the original at the original scanning section.
Detects the exit (transit) of an original.
Detects opening/closing of the Jam access cover.
Detects opening/closing of the ADF.
Switches between cutoff and supply state of the 24 V power by open-
ing/closing of the jam access cover.
Drives up and down the original pickup roller.
Controls the ADF.
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