Fixing Temperature Control - Canon iR2200 Service Manual

CHAPTER 6 FIXING SYSTEM

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:
Main
power
switch ON
Wait indication
Fixing heater(M4)
Main heater(H1)
Sub heater(H2)
220˚C
215˚C
210˚C
205˚C
200˚C
195˚C
190˚C
185˚C
180˚C
175˚C
170˚C
165˚C
6-8 P
COPYRIGHT © 2001 CANON INC.
Print
start
STBY
Green
Lower←Fixing lower temperature estimate→Higher
F06-302-01
Red
2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
End
STBY
Green
Bond paper
mode
Thick paper
mode
Plain paper
mode