Toshiba e-Studio 2329A
Error Codes List page 2
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- Code: C415, C447, C449
- Description: [C415] Low WAIT abnormality
[C447] Fusing temperature abnormality during the ready state and printing
[C449] Fusing temperature abnormality (high temperature) - Causes: [C415] The printing operation cannot be restarted even if the preset time has passed after the equipment has entered the lower WAIT state during printing.
[C447] The fusing temperature during the ready state and printing is 40°C or below.
[C449] The fusing temperature is 240°C or higher. - Remedy: Error check Perform the self-diagnostic code to find the thermistor with the abnormality. 08-4570-0: Center thermistor 08-4570-1: Side thermistor 08-4570-2: Edge thermistor 08-4570-5: Error counter
Thermistor check • Check if the connector is disconnected. • Check if the thermistors (center, side, edge) firmly contact the surface of the fuser roller. • Check if there is any deformation or dirt on the thermistors (center, side, edge). • Check if the connectors and harnesses of the thermistors (center, side, edge) are open circuited. • Replace the thermistors (center, side, edge).
Heater check • Check if the heater lamp is open circuited. • Check if the connector of the heater lamp is disconnected. • Check if the harness is properly connected to the terminal of the heater lamp. • Check if the thermostat is blown. • Replace the heater lamp. • Replace the thermostat.
Connection check of the fuser roller grounding • Check if the fuser unit is tightly secured with the screw on the equipment so that there is no gap. • Check if there is any contact failure due to the deformation of the grounding leaf spring of the fuser roller.
Power supply check • Check if the power voltage is normal. • Check if the connector is disconnected. • Replace the switching regulator.
MAIN board check • Check if the connector (CN10) is disconnected. • Check if there is any abnormality such as an open circuit or a short circuit on the board. • Check if the connector and the harness between the MAIN board and the fuser unit are open circuited. • Replace the MAIN board.
Counter clear After the error has been cleared, perform the following items. 1. Turn the power ON while [0] and [8] are pressed simultaneously. 2. Key in “2002” and press the [START] button. 3. Change the displayed counter value (*1) to “0” and press the [OK] button. 4. Turn the power OFF and then back ON. Make sure that the equipment enters the ready state. (*1): C411: 1, C412: 2, C413: 3, C414: 4, C415: 5, C447: 7, 24, C449: 9, 19, 21, 22, 23, 25, 27, 29, 45
Parts to be replaced: Thermistor. Heater lamp. Thermostat. Fuser roller grounding. MAIN board. Switching regulator.
- Code: C452
- Description: Fusing temperature abnormality when reaching the ready state temperature
- Causes: The difference between the center thermistor and the edge thermistor is 70°C or more when reaching the ready state temperature.
- Remedy: Error check Perform the self-diagnostic code to find the thermistor with the abnormality. 08-4570-0: Center thermistor 08-4570-2: Edge thermistor 08-4570-5: Error counter
Thermistor check • Check if the connector is disconnected. • Check if the thermistors (center, edge) firmly contact the surface of the fuser roller. • Check if there is any deformation or dirt on the thermistors (center, edge). • Check if the connectors and harnesses of the thermistors (center, edge) are open circuited. • Replace the thermistors (center, edge).
Heater check • Check if the heater lamp is open circuited. • Check if the connector of the heater lamp is disconnected. • Check if the harness is properly connected to the terminal of the heater lamp. • Check if the thermostat is blown. • Replace the heater lamp. • Replace the thermostat.
MAIN board check • Check if the connector (CN10) is disconnected. • Check if there is any abnormality such as an open circuit or a short circuit on the board. • Check if the connector and the harness between the MAIN board and the fuser unit are open circuited. • Replace the MAIN board.
Switching regulator check • Check if there is any abnormality in the switching regulator. • Replace the switching regulator.
Counter clear After the error has been cleared, perform the following items. 1. Turn the power ON while [0] and [8] are pressed simultaneously. 2. Key in “2002” and press the [START] button. 3. Change the displayed counter value (*1) to “0” and press the [OK] button. 4. Turn the power OFF and then back ON. Make sure that the equipment enters the ready state. (*1): C452: 62
Parts to be replaced: Thermistor. Heater lamp. Thermostat. MAIN board. Switching regulator.
- Code: C4B0
- Description: Fusing counter abnormality
- Causes: Data abnormality in the RAM (An abnormal value has been included in the error counter.)
- Remedy: MAIN board check • Check if there is any abnormality such as an open circuit or a short circuit on the board. • Check if the flash memory (IC) is installed properly. - 2523A/2523AD/2323AM/2823AM: IC10 - 2329A/2829A: IC11 • Replace the MAIN board.
Counter clear After the error has been cleared, perform the following items. 1. Turn the power ON while [0] and [8] are pressed simultaneously. 2. Key in “2002” and press the [START] button. 3. Change the displayed counter value to “0” and press the [OK] button. 4. Turn the power OFF and then back ON. Make sure that the equipment enters the ready state.
Replace parts: MAIN board.
- Code: C911
- Description: Toner cartridge PC board access abnormality
- Causes: Abnormal access to the toner cartridge IC chip
- Remedy: 1 Does the recommended toner cartridge display appear when the toner supply cover is opened and closed? Yes Use the recommended Toshiba toner cartridge. 2
2 Toner cartridge • Check the phenomenon by removing the toner cartridges and reinserting them. • Check that the CTRG board of the cartridge is installed properly. • Avoid touching the contact point. • Wipe the contact point with a soft cloth if it's stained.
3 Contact point on the equipment side Check that the spring of the contact point is not deformed.
4 Is the spring of the contact point returned when it is pushed lightly? Yes No • Check that the CTIF board is installed properly. • Board check 7
5 MAIN board • Connector check (CN15) • Board check
6 Harness • Connector check (CN15: Main board, CN150: CTIF board) • Harness check
7 CTIF board • Check that the board is installed properly. • Board check
Replacement part: Toner cartridge. MAIN board. Harness. CTIF board.
- Code: C916, C940
- Description: [C916] Sub-CPU access abnormality
[C940] Engine-CPU abnormality - Causes: [C916] Failed to access to the sub-CPU
[C940] Engine-CPU abnormality - Remedy: MAIN board • Check if there is no abnormality in the MAIN board. • Check if the conductor pattern of the MAIN board is short circuited or open circuited. • Replace the MAIN board.
Parts to be replaced: MAIN board.
- Code: C950
- Description: The abnormalities in a MAIN board
- Causes: The engine firmware being downloaded to the MAIN board is not the same as the machine.
- Remedy: MAIN board Check that the wrong board is not installed, if it is wrong, replace it.
Engine firmware Check that the model of the machine is correct, if it is wrong, download the data again.
Replacement part: MAIN board.