Fixing Temperature Control; Overview - Canon imageRUNNER ADVANCE 8105 Series Service Manual

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Technology > Fixing > Controls > Fixing temperature control
Controls
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Overview

Cleaning Web
drive control
Fixing temperature
control
Upper Separation Claw
reciprocating control
Control to prevent
paper-wrapping
NO Control/Function
To control temperature of the Fixing Roller to prevent fixing
1

Fixing temperature control

failure
2 Down sequence control In the case of large difference between the target
temperature and the detected temperature, this control
drops productivity to prevent fixing failure and image failure.
3 Paper anti-wrapping control To prevent failure of the Fixing Assembly caused by
wrapping of paper around the Fixing Roller and the
Pressure Roller.
4 Thermistor reciprocating To prevent scar on the Fixing Roller by the Main Thermistor,
control this control moves the Main Thermistor back and forth.
Upper Separation Claw To prevent scar on the Fixing Roller by the Upper
5
Separation Claw, this control moves the Upper Separation
reciprocating control
Claw back and forth.
To prevent fixing offset, this control removes residual toner
6 Cleaning Web drive control
on the surface of the Fixing Roller.
7 Cleaning Web level detection To detect level of the Cleaning Web.
8 Protective function To detect error by Thermistor.
To detect error by Thermoswitch.
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Technology > Fixing > Controls > Fixing temperature control
Cleaning Web
length detection
Thermistor
reciprocating control
Down sequence
Protective function
control
F-2-142 F-2-142
Overview
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Fixing temperature control
●
Overview
To prevent fixing failure, temperature control of the Fixing Roller is executed with the following
timing.
NO Temperature control
1 Temperature control during
startup
2 Temperature control during
standby
3 Temperature control during
printing
4 Other temperature
adjustments
T-2-53 T-2-53
Overview
To control temperature to reach the standby temperature.
To be switched from the following 4 modes according to the
environment temperature/ humidity and the temperature of
the Fixing Roller:
•
Normal startup mode
•
Low temperature environment startup mode
•
High humidity environment startup mode
•
Recovery mode
To control temperature so that printing can be performed
immediately after receiving the print request signal
To control temperature by the temperature table according
to the paper type and the paper basis weight.
Following shows other temperature adjustments
•
To control temperature for reducing power consumption.
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T-2-54 T-2-54
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