II. PICK-UP OPERATION (COPIER)A. OutlineWhen the pick-up clutch (CL2 or CL3) turns on while the main motor (M1) is rotating,the pick-up roller rotates to move paper as far as the registration roller.The copy paper is controlled so that its leading edge and the leading edge of theimage on the photosensitive drum match; then, it is moved through the transferassembly, feeding assembly, fixing assembly, and delivery assembly to reach the copytray.As many as three photointerrupters (PS6, PS7, PS8) are provided along the paperpath, turning on the Jam indicator on the control panel when jams are identified in termsof whether paper has reached or has moved past the respective sensors within a specificperiod of time.The presence/absence of paper inside the cassette or the multifeeder is monitoredby separate photointerpreters (PS4, PS5); when the absence of paper is identified, thePaper indicator is flashed on the control panel.Figure 5-201COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 5 PICK-UP/FEEDING SYSTEM5-3
