COPYRIGHT
©
2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
CHAPTER 6 FIXING SYSTEM
6-8 P
3.2.1 Fixing Temperature Control
The machine is equipped with the following modes to suit the type of paper used: plain
paper, thick paper, bond paper, and envelope/postcard (each with a specific control table).
A start point of temperature control on the control table is determined based on the tem-
perature of the fixing lower roller considered against the following factors:
a. Reading of main thermistor (TH1)
b. History of jobs (intervals, quantity)
F06-302-01 shows a sample control table:
F06-302-01
Wait indication RedGreen Green
Fixing heater
(M4)
Main heater
(H1)
Sub heater
(H2)
STBY
STBY
Bond paper
mode
Thick paper
mode
Plain paper
mode
Lower←Fixing lower temperature estimate→Higher
Main
power
switch ON
Print
start
End
195˚C
190˚C
185˚C
200˚C
180˚C
175˚C
170˚C
165˚C
205˚C
210˚C
215˚C
220˚C