Table 1-8 500-sheet paper feeder electrical components Component Abbreviation Component name Motor M1 PF cassette pickup motor Solenoid SL1 PF cassette pickup solenoid M2 PF cassette lifter motor Photointerrupter SR1 PF cassette media feed sensor SR2 PF cassette media stack surface sensor SR3 PF cassette media out sensor Switch SW1 PF right door open detection switch SW2 PF cassette media width switch SW3 PF cassette media end switch 500-sheet paper feeder motor control The paper feeder has two motors for the paper-feed and cassette lift-up.
Figure 1-40 500-sheet paper feeder motor locations PF cassette lifter motor PF cassette pickup motor Table 1-9 500-sheet paper feeder motors Motor Components driven M1 PF cassette pickup motor Pickup roller, separation roller and feed roller for the PF cassette M2 PF cassette lifter motor Lifter for the PF cassette 500-sheet paper feeder failure detection The paper feeder controller determines a cassette lifter motor failure according to the condition of the related part. The paper feeder controller does not determine if the cassette pickup motor has failed; therefore, a jam occurs when the motor fails. ENWW 500-sheet paper feeder (Tray 4) 51