Toshiba 3511, 4511 manual Heater Control Circuit, Configuration

16

16.4 Heater Control Circuit

16.4.1 Configuration

Power code

Breaker

Sub Main

edgeFront

thermistor

roller

Thermostat

Noise

filter

N L

Fuse

forsupplyPower

Photocoupler

source/power

circuitdrive

signalONIH1

signalONIH2

Control circuit

includingCPU

IH

AC line

DC line

]

Coil Fuser

Coil

output

AC

input

settingpowerElectric

signalError

Photocoupler

fuserofdiagramunit and IH controlcircuit

thermistor

IH

thermistor

5V SW

LGC

Block

[

CPU

5V SW

Temperature

control circuit

250˚C upper limit

circuit

Fig. 16-401

e-STUDIO3511/4511 FUSER UNIT/PAPER EXIT SECTION 16 - 4 November 2003 © TOSHIBA TEC