COPYRIGHT © 1999 CANON INC. CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 9-7CHAPTER 9 EXTERNALS / AUXILIARY MECHANISMSV. POWER SUPPLYA. Supplying Power1. OutlineThe copier is supplied with DC power by the DC power supply PCB, and the power isdistributed as shown in Figure 9-501.Figure 9-501 FunctionsNameDC power supply PCB (DCP1)AC fuse PCB (UN22)DC fuse PCB (UN29)AC power cut relay (RL1)DC power cut relay (RL3)Power switch (SW1)Environment switch (SW6)Cassette heater switch (SW8)Leakage breaker (ELCB)DescriptionGenerates DC power from AC power, and protects againstovercurrent.Protects the drum heater, cassette heater, and deck heater fromovercurrent.Protects the DC power supply system from overcurrent.Cuts off the AC power system for the original scanning lamp,fixing heater, fixing oil pump, and the like.Operates in conjunction with the transfer unit lever switch(SW3), left front door switch (SW4), and delivery door switch(SW5; CLC1150 only).Cuts off DC power (+15, +24, +38 V).Operates in conjunction with the transfer unit lever switch(SW3), left front door switch (SW4), and delivery door switch(SW5; CLC1150 only).Serves as a power switch for loads other than the drum heater,cassette, heater, and deck heater.Turns off automatically when the auto shut-off signal(SHUTOFF*) goes ‘0’.When set to off, the drum heater, cassette heater, and deckheater operate in conjunction with the power switch.Turns on and off the cassette heater and the deck heater.Cuts off the AC power in response to electrical leakage in thecopier, turning off all power supplies.
