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
LowerFixing lower temperature estimateHigher
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