Stylus Pro 4880 Field Repair Guide 1/17/08
Sensors, Motors, Solenoids, and Fans Printer Component, Software Item, LCD Display, Printer Button  Page 218.
2.
Motors Carriage Motor 
Paper Feed Motor: turns the Paper Feed Roller, Sub 
Roller and the Eject Roller
Pump Motor: also turns the Input Roller
Platen Gap Motor: also sets the Eject Roller position, 
the Sub Platen Rib position, releases and 
engages the Pressure Rollers for the Sub 
Roller.
Solenoids Cutter Blade Solenoid 
Fans Head Drive Cooling Fan
Paper Suction Fans (2)