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ERROR CODE and TROUBLESHOOTING
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6. Reset the status counter
Follow the procedure below after each cause of C461, C462 and C464 is corrected.
(1) Turn the power of the equipment ON while pressing [0] and [8] simultaneously.
(2) Key in "400" and then press the [START] button.
(3) Reset the status counter values "61", "70", "71" or "62" to "0". Then press [ENTER] on the touch
panel or the [INTERRUPT] button on the control panel. (The error C461, C462 or C464 is
released.)
(4) Turn the power of the equipment OFF and then back ON. Then check that the equipment
normally enters into the standby mode.
[C465/C466/C467/C468] Pressure roller thermistor abnormality after entering ready status
1. Check the pressure roller thermistor
(1) Check if the connector is disconnected.
(2) Check if the pressure roller center thermistor is installed properly.
(3) Check if the pressure roller rear thermistor is in contact with the surface of the pressure roller
properly.
(4) Check if the harnesses of the pressure roller center and rear thermistors are open circuited.
2. Check the power supply unit and fuser unit
(1) Check if the fuser unit is installed properly.
(2) Check if the heater lamp is open circuited. (Check if the heater lamp has electric continuity.)
(3) Check if the connector of the heater lamp is disconnected.
(4) Check if the thermistor is open circuited.
(5) Check if the connectors of the power supply (power supply AC output connector CN409, LGCI/F
connector CN403) are disconnected.
(6) Check if the power supply unit is broken.
* Replace the power supply unit if it is broken.
3. Check the LGC board
(1) Check if the connector CN333/CN345 is disconnected.
(2) Check if the conductor pattern on the board is short circuited or open circuited.
(3) Replace the LGC board.
4. Clear the status counter
Change the current status counter value (08-400) “5”, “6”, “8”, “18”, “20”, “26”, “28”, “33” or “34” to “0”
* The status counter value is set as follows in the following cases.
• The error occurred during warming-up: “5” or “6”
• The error occurred after the equipment has become ready: “33”
• Regardless of the equipment’s status (i.e. during warming-up or in ready status), when the
temperature detected by the pressure roller thermistor is 210°C or higher: “8”, “18”, “20”, “26” or
“28”.
• The error occurred during printing: “34”
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