Canon np6330 서비스 매뉴얼
II. CONTROLLING THE FIXING TEMPERATURE
A. Controlling the Area of Heating (fixing roller)
The upper fixing roller is heated by two heaters: main heater (H1) and sub heater
(H2).
The copier’s main and sub heaters are halogen lamps with different thermal
distribution characteristics. (Figure 6-201)
The surface temperature of the fixing roller is maintained even by varying the period
in which these two heaters are turned ON while at the same time preventing overheating
of the ends.
of the ends.
q
Main heater (H1) thermal distribution
w
Sub heater (H2) thermal distribution
e
Upper fixing roller external view
Figure 6-201
6-2
CHAPTER 6 FIXING SYSTEM
COPYRIGHT © 1997 CANON INC. CANON NP6330 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
Intensity
Intensity
q
w
e
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