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Q2431-90912 Chapter 5 Theory of operation 107
Stapler/stacker feed and delivery
The stapler/stacker feed and delivery system consists of several feed rollers and guides that are
driven by the stapler/stacker motors and solenoids. Sensors along the stapler/stacker paper path
detect the arrival and passage of media and confirm the position of the jogger guide. The jogger
guide helps to align the pages before stapling and dropping them into the delivery bin.
The stapler/stacker has two modes. The staple mode staples media together and drops them
into the delivery bin. The stack mode drops the media directly into the delivery bin without
stapling them together.
Table 35. Stapler/stacker components
Component Purpose
Motor Paddle motor (M1101) ● Rotates the paddle (clockwise)
● Disengages the delivery roller (counterclockwise)
Jogger motor (M1102) Shifts the jogger guide.
● Widens the jogger guide (clockwise)
● Narrows the jogger guide (counterclockwise)
Feed motor (M103) Rotates the feed and delivery roller
Stapler motor (M1104) Rotates the staple cam
Solenoid Deflector solenoid (SL1101) Operates the delivery deflector
Clamp solenoid (SL1102) Operates the stapler clamp
Sensor Paper inlet sensor (PS1101) Detects jams
Paper delivery sensor (PS1102) Detects jams
Paddle home sensor (PS1103) Detects if the paddle is in the home position
Delivery roller disengaging sensor
(PS1104)
Detects the disengaging the delivery roller
Jogger home position sensor
(PS1105)
Determines if the jogger guide is in the home position
Delivery paper full sensor (PS1106) Detects a full delivery bin
Switch Door open switch (SW1101) Detects an open door
Staple presence switch (SW1102) Detects the presence of staples in the stapler cartridge
Staple home position switch
(SW1103)
Determines if the stapler cam is in the home position