media in the PF cassette. (PF cassette pickup mechanism and PF lift-up operation are the same way
as that of the product).
5. The PF separation roller holds back any multiple-fed sheets and one sheet of media is fed into the
product. (PF multiple-feed prevention mechanism is the same way as that of the product).
Figure 1-31 1x500-sheet paper feeder block diagram
SW1600
PS1601
PS1602
PS1600
PS1603
PF separation roller
PF pickup roller
PF feed roller
Pickup arm
Lifter
Lifting plate
Feed motor
M1600
SL1600
M101
PF feed roller 1
Description Signal Driver
PF lifter motor M1600 PF LIFTER MOTOR DRIVE signal PF driver
PF media presence
sensor
PS1600 PF MEDIA PRESENCE signal PF driver
Paper feeder media
stack surface sensor 1
PS1601 PF MEDIA STACK SENSOR 1 signal PF driver
Paper feeder media
stack surface sensor 2
PS1602 PF MEDIA STACK SENSOR 2 signal PF driver
Paper feeder media
path sensor
PS1603 PF MEDIA PATH signal PF driver
Paper feeder pickup
solenoid
SL1600 PF PICKUP SOLENOID signal PF driver
Paper feeder media size
switch
SW1600 PF MEDIA SIZE signal PF driver
42 Chapter 1 Theory of operation ENWW
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