Protection Function - Canon imageRUNNER ADVANCE C350 series Service Manual

2
Technical Explanation > Fixing System > Controls > Protection function
Sensor : OFF
Slack of paper is small
PS11
Fixing Film Pressure Roller
2 Technical Explanation > Fixing System > Controls > Protection function
Sensor : ON
Slack of paper is large
F-2-126

■ Protection function

Code
E001 Fixing Assembly high temperature error
A001 Main Thermistor detected a temperature of 265 deg C or higher for 0.1
sec or longer (software).
A002 Sub Thermistor (Front) detected a temperature of 290 deg C or higher
for 0.1 sec or longer (software).
A003 Sub Thermistor (Rear) detected a temperature of 290 deg C or higher
for 0.1 sec or longer (software).
A004 Main Thermistor detected a temperature of 270 deg C or higher
(hardware).
A005 Sub Thermistor (Front) detected a temperature of 295 deg C or higher
(hardware).
A006 Sub Thermistor (Rear) detected a temperature of 295 deg C or higher
(hardware).
E002 Fixing Assembly temperature rise error
A004 Main Thermistor detected a temperature increase of 1 deg C for less
than 5 sec from startup until start of PI control.
A005 Main Thermistor detected a temperature of 40 deg C or lower for 3 sec
or longer from startup until start of PI control.
A006 Sub Thermistor (Front) detected a temperature of 40 deg C or lower for
3 sec or longer from startup until start of PI control.
A007 Sub Thermistor (Rear) detected a temperature of 40 deg C or lower for
3 sec or longer from startup until start of PI control.
E003 Fixing Assembly temperature decrease error
A001 Main Thermistor detected a temperature of 80 deg C or lower for 1 sec
or longer from start of PI control until completion of the last rotation (the
Fixing Heater is turned OFF).
A002 Sub Thermistor (Front) detected a temperature of 80 deg C or lower
for 1 sec or longer from start of PI control until completion of the last
rotation (the Fixing Heater is turned OFF).
A003 Sub Thermistor (Rear) detected a temperature of 80 deg C or lower
for 1 sec or longer from start of PI control until completion of the last
rotation (the Fixing Heater is turned OFF).
E004 Thermistor disconnection detection error
0001 Zero cross interruption was detected although the Fixing Relay was not
turned ON.
0002 Connection could not be detected within 0.5 sec when power was
supplied to the Fixing Heater.
Clearing
Description
of error
Not
required
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required
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required
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required
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required
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required
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required
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required
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required
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required
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required
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required
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required
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required
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required
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