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10-2. Lower Feeder Unit (Option)
(1) Paper Take-Up Mechanism
• Since there is no drive motor installed, the drive for paper take-up and transport (supplied
from M1) is transmitted through a drive coupling gear from the printer.
• The same paper take-up mechanism is employed as that of the Multi-Purpose Tray,
except that paper separator fingers are used, instead of the separator roll with a torque
limiter, for paper separation.
• The Lower Feeder Take-Up Solenoid (SL7) is controlled from the printer through the
Lower Feeder Control Board (PWB-A) of the Lower Feeder Unit.
(2) Paper Empty Detection
• A paper-empty condition is detected by the Lower Feeder Paper Empty Sensor (PC16).
• When there is paper, the actuator is raised to block the sensor.
• When there is no paper, the actuator is lowered to unblock the sensor.
(3) Lower Feeder Paper Near-Empty Sensor (PC14)
• A paper near-empty condition is detected by the Lower Feeder Paper Near-Empty Sen-
sor.
• A paper near-empty condition is equivalent to the following number of sheets of paper left
in the tray.
Specifications
Near-empty detection 50 +/- 25 sheets
Lower Feeder Take-Up
Lower Feeder Paper
Near-Empty Sensor (PC14)
Lower Feeder Paper Empty Sensor (PC16)
4131M020AA
Solenoid (SL7)