CHAPTER 2 BASIC OPERATIONCOPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 2-7E. Inputs to and Outputs from the DC Controller1. Inputs to the DC Control (1/2)Figure 2-105PS1PS2PS3TH1TH2J101-1-3-2J109-11-10-9J102-7-9-8J132-3-5-4J108-2-1-3J102-1-6J131-1-2SCHPLHPDPDDIG3PDP+5V+5V+5VRPDSensor PCB+5VTH1TH2DC controller PCBWhen the scanner is in the home position, ‘1’.(The light-blocking plate is at PS1, ‘1’.)When the lens is in the home position, ‘1’.(The light-blocking plate is at PS2, ‘1’.)When PS3 has detected paper, ‘0’.(The light-blocking plate is at PS3, ‘1’.)When PS4 has detected paper, ‘1’.(The light-blocking plate is at PS4, ‘1’.)When Q751 has detected paper, ‘1’.(The light-blocking plate is at PS751, ‘0’.)When the surface temperature of the fixingheater increases, the voltage decreases.(analog signal)When the temperature of the scanner increases,the voltage decreases. (analog signal)Scanner homeposition sensorLens homeposition sensorDelivery sensorVertical path rollerpaper sensorPre-registrationroller paper sensorFixing thermistorScanner thermistorPS4J121-4-3-5 TNFULLDIG1 When toner reaches specific level, ‘1’.(The light-blocking plate is at PS5, ‘0’.)Waste tonersensor PS5J62J62J433Q751
