124 Theory of operation C7085-90921
Tray 1 (multi-purpose tray)
The multi-purpose tray paper sensor (PS4) senses the presence of the paper in the multi-purpose
tray. The manual feed solenoid (SL1) transmits the rotational force of the pick-up motor to the
manual feeding pick-up roller. As the pick-up roller rotates, the pick-up cam pushes up the paper-
lifting plate. This causes the paper to be pressed against the pick-up roller and thus picked-up by its
rotation. After the separation pad separates multiple sheets, the paper is fed into the printer one
sheet at a time.
Figure 5-27 Tray 1 manual feed
Table 5-2 Motors, solenoids, sensors, and switches
Reference Description
M2 Pick-up motor
SL2 Cassette pick-up solenoid
CL1 Registration clutch
PS2 Registration paper sensor
PS301 OHT sensor
PS8 Cassette paper sensor
SW801 Paper-size detection switch
SW802 Paper-size detection switch
SW803 Paper-size detection switch
Table 5-3 Motors, solenoids, clutches, and sensors
Reference Description
M2 Pick-up motor
SL1 Multi-purpose tray pick-up solenoid
CL1 Registration clutch
PS2 Registration paper sensor
PS3 Last paper sensor
PS4 Multi-purpose tray paper sensor
PS301 OHT sensor
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