
ELECTRICAL COMPONENT DESCRIPTION
G031/G032 9-4 SM
1.4 ELECTRICAL COMPONENT DESCRIPTION
Symbol Name Function Index No.
Motor
M1 Paper Feed Motor Drives all the rollers 2
Sensors
S1
PFU Paper Feed Sensor
Detects the paper from the paper
tray and also detects misfeeds.
5
S2
PFU Paper End Sensor Informs the CPU when there is no
paper in the tray
6
S3, S4
PFU Paper Near-end Sensor Informs the CPU of the estimated
remaining paper amount (there are
4 signal patterns)
7, 8
S5
PFU Cassette Sensor
(G032 only)
Detects whether the main cassette
is installed
9
Switch
SW1
PFU Paper Size Switch Detects the paper size selected by
the dial
4
Clutch
MC1 PFU Paper Feed Clutch Starts paper feed 3
PCB
PCB1
PFU Paper Feed Unit Board Interfaces the sensor signals with
the printer
1
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