High-Capacity Feeder (Hcf) Service Check - Lexmark C920 Service Manual

High-capacity feeder (HCF) service check

FRU
1 • Paper size sensors
1 and 2
• Residual paper sensors
1—4
• Paper level sensor
• Lower limit switch
• Docking switch
• Upper limit
• Paper sensor switch
• Paper feed sensor
2 • Tray motor
• Paper feed motor
• HCPF power supply
• Pickup solenoid
• Paper feed roller
• Transfer roller
• Paper feed clutch
• Tray drive belt
3 • Paper feed clutch
• Pickup solenoid
• HCF power supply
• Paper feed motor
• Tray motor
• HCPF board
Action
Go to "Sensor/Sw Test" on page
sensor test. You can block each sensor to verify if it is working
properly. Replace the failing sensor.
Be sure that all rollers, gears, and belts are in good working order.
Replace as necessary.
Go to "Maintenance Mode" on page 3-43,
5056-XXX
3-14, and perform the LED
and run the tests.
Diagnostic information
2-53