
No.
Parts
Model Note
Code Code name Name Type Function/Operation
Active
condition
1 SPF transport roller Transports documents.
2 SPF paper feed clutch Spring clutch "Controls ON/OFF of the SPF paper
feed roller. Controls power transmission
of the SPF motor."
3 SPF paper exit roller Discharges documents.
4 SPF paper exit follower roller Discharges documents.
5 SPF MOTOR SPF motor Stepping
motor
Feeds and transports documents. (Drive
motor for SPF)
6 SPF paper feed roller Feeds documents.
7 Pickup roller Picks up the top document to the paper
feed roller.
8 Separation unit Separates documents in paper feed.
9 SPF transport follower roller A Transports documents.
10 SPUS SPF PUS SPF paper feed solenoid Control ON/OFF of the SPF paper feed
roller.
11 SPF resist roller Controls the start timing of document
transportation. (reading).
12 SPF transport follower roller B Transports documents.
PWB, sensor
No.
Parts
Model Note
Code Code name Name Type Function/Operation
Active
condition
1 FAX operation control PWB Controls key operations and displayes of
FAX function.
2 SPF interface PWB Drives the SPF motor. Outputs sensor
and detector signals to the FAX control
PWB.
3 SW1 SPF document detector Photo
transmission
Detects documents on the SPF tray. L level
4 SW3 SPF open/close detector Photo
transmission
Detects open/close of the SPF unit. L level
5 SW2 SPF paper entry detector Photo
transmission
"Detects the lead edge of fed document,
and outputs signals to control ON timing
of the SPF resist roller."
L level
1)
2)
3)
4)
5)
FO-3800M
5 – 15
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