Toshiba 350 User Manual
13 - 4
13
e-STUDIO350/352/353/450/452/453
FUSER UNIT / PAPER EXIT SECTION
© 2003 - 2008 TOSHIBA TEC CORPORATION All rights reserved
13.4 Heater Control Circuit
13.4.1 Configuration
Fig. 13-401
N
L
CPU
Te
mperature
control crcut
Upper lmt
crcut
LGC
IH
5V SW
5V SW
Man thermstor
Col
Fuser roller
Col output
Fuse
AC
nput
Thermostat
Nose flter
Breaker
Power code
Edge thermstor
IH power source/
drve crcut
Control crcut ncludng CPU
Photocoupler
AC lne
DC lne
Power supply for Photocoupler
Electrc power settng
Error sgnal
IH ON sgnal
IH2 ON sgnal
[Block dagram of fuser unt and IH control crcut
]