3–8OPERATIONS AND TIMINGCOPYRIGHT © 1998 CANON INC. CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)D. Outputs from the DC Controller1. Outputs from the DC Controller PCB (1/5)Figure 3-108+5V24V+5VABBRL101RL103HTON*TEP*EHTRL*Cassette heater (H4)Drum heater (H3)Cassette heater (H5)Anti-condensationswitch (SW1)Lens heater (R1)Lens heater (R2)Fuse (FU1)Fixing heater(H1)Fluorescent heaterswitch (SW2)Fluorescent lampheater (H2)Fluorescent lamp(LA1)Primary charging rollerDeveloping cylinderTransfer rollerStatic eliminatorDoor switchMain switchONFixingheaterdriverScanninglamp controlcircuitHigh-voltagecircuitToner leveldetectionsensorAntenna SensorComposite powersupply PCBMicroprocessorDC controller PCBWhen '0' RL101 turns ON.(ON when the power is OFF)When RL101 is ON and SW1is ON, the heater (R1, R2)turns ON.When '0', RL103 turns ON.(ON when the power is ON)When the heater is ON, '0'.Communicates with the compositepower supply PCB.When '0', "ADD TONER"is indicated.J319–4–1–2–3 HTRD See p. 3-89.AACOFF
