Fig. 4-99 Heater Element Types - Canon NP-70 Service Manual

4-86 NP•70
4.13-2 ASSEMBLY MAIN COMPONENTS
Temperature
Fuse
Heater Elements
Pressure
Distribution Plate
Base Plate
End Mounting
Bracket (rear)
Heat Dispersion Plate
Paper Guide
Bracket
Insulation
Layer Board
End Mounting Bracket (front)
Fig. 4-98 Heater Assembly Bracket (front)
1) TEMPERATURE FUSE
When the temperature of the assembly rises abnormally high, the temperature fuse melts
to break the heater circuit. This fuse melts at 150°C.
2) HEATER ELEMENT SECTIONS
There are two of these section in each Heater
Assembly. They are constructed of mica with
one or two nichrome heater elements within.
Fig. 4-99 shows the two types of elements
used in NP-70 machines.
400W
\OOW
f
Mica Layer
OM
a) Dual~lement Type
COM
b) Single-element Type
Fig. 4-99 Heater Element Types
Second Printing,lune, 1974
© CANON INC.