COPYRIGHT © 2000 CANON INC. 2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000CHAPTER 5 PICK-UP/FEEDING SYSTEM5-40 P7. Controlling the Cassette HeaterThe system used to control the cassette heater is constructed as follow:F05-700-01The following signal has the function indicated:[1] Cassette Heater Drive Control Signal:When '1', supplies the AC driver PCB with AC power.The cassette heater switch (SW4) serves to supply power to the heaterthrough the AC line or to deprive it of power.If the environment switch (SW3) is off, the heater will not be supplied withpower through the AC line even if the cassette heater switch (SW4) remainson.H4RL1AC driver PCBCassette heaterSW1MainpowerswitchSW3Environment switchDC powersupply PCB2 1J4001DC controllerPCB4 3J119128127 141Power supply4 3J102B0V12VCASSETTE_HEATER_ON [1]J2052J2051J20532 13 2SW4Cassetteheater switch
