Sharp MX7000N常見故障代碼描述,英文手冊3
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Code: H4-00
Description:
Fusing section low temperature trouble (TH_UM_AD2)
Causes:
Thermistor trouble, heater lamp trouble, PCU PWB trouble, thermostat trouble, AC power source trouble, interlock switch trouble
Remedy:
1) Use SIM5-2 to check blinking of the heater lamp. 2) If it blinks normally, check the thermistor and the harness. Check the PCU PWB thermistor input circuit section. 3) If it is not lighted, check for the heater lamp disconnection and the thermostat breakage. Check the interlock switch. Check the AC PWB and the PCU PWB lamp control circuit. 4) Use SIM14 to cancel the trouble.
Code: H4-01
Description:
Fusing section low temperature trouble (TH_LM)
Causes:
Thermistor trouble, heater lamp trouble, PCU PWB trouble, thermostat trouble, AC power source trouble, interlock switch trouble
Remedy:
1) Use SIM5-2 to check blinking of the heater lamp. 2) If it blinks normally, check the thermistor and the harness. Check the PCU PWB thermistor input circuit section. 3) If it is not lighted, check for the heater lamp disconnection and the thermostat breakage. Check the interlock switch. Check the AC PWB and the PCU PWB lamp control circuit. 4) Use SIM14 to cancel the trouble.
Code: H4-02
Description:
Sub thermistor fusing section low temperature trouble (TH_US)
Causes:
Thermistor trouble, heater lamp trouble, PCU PWB trouble, thermostat trouble, AC power source trouble, interlock switch trouble
Remedy:
1) Use SIM5-2 to check blinking of the heater lamp. 2) If it blinks normally, check the thermistor and the harness. Check the PCU PWB thermistor input circuit section. 3) If it is not lighted, check for the heater lamp disconnection and the thermostat breakage. Check the interlock switch. Check the AC PWB and the PCU PWB lamp control circuit. 4) Use SIM14 to cancel the trouble.
Code: H4-04
Description:
External heating thermistor fusing section low temperature trouble (TH_EX1)
Causes:
Thermistor trouble, heater lamp trouble, PCU PWB trouble, thermostat trouble, AC power source trouble, interlock switch trouble
Remedy:
1) Use SIM5-2 to check blinking of the heater lamp. 2) If it blinks normally, check the thermistor and the harness. Check the PCU PWB thermistor input circuit section. 3) If it is not lighted, check for the heater lamp disconnection and the thermostat breakage. Check the interlock switch. Check the AC PWB and the PCU PWB lamp control circuit. 4) Use SIM14 to cancel the trouble.
Code: H4-30
Description:
Detection thermistor input abnormality (TH_UM)
Causes:
HL_UM does not turn on. Thermistor trouble, harness trouble, PCU PWB trouble
Remedy:
1) Use SIM5-2 to check blinking of the heater lamp. 2) If it blinks normally, check the thermistor and the harness. Check the PCU PWB thermistor input circuit section. 3) If it is not lighted, check for the heater lamp disconnection and the thermostat breakage. Check the interlock switch. Check the AC PWB and the PCU PWB lamp control circuit. 4) Use SIM14 to cancel the trouble.
Code: H5-01
Description:
5 continuous detection of POD1 notreached jam
Causes:
5 continuous detection of POD1 not-reached jam
Remedy:
Case 1 Cause The fusing jam is not removed completely. (Jam paper remains.) Check and remedy Check the fusing section for jam paper. (winding, etc.) Case 2 Cause POD1 sensor trouble or harness connection trouble Check and remedy Check the POD1 sensor harness. Use SIM14 to cancel the trouble. Case 3 Cause Fusing unit installation trouble Check and remedy Check the fusing unit installation.
Code: H7-10
Description:
Low temperature detection during the temperature control reset operation after stopping the alarm in a JOB (HL_UM)
Causes:
When the alarm is stopped, the set temperature is not reached within the specified time. * Alarm stop: When the fusing temperature falls below the specified level in a print JOB, printing is interrupted temporarily and the temperature is reset.
Remedy:
Case 1 Cause Connector and harness connection trouble Check and remedy Check connection of the connector and the harness. Case 2 Cause Thermistor trouble, thermostat trouble, heater lamp trouble, PCU PWB trouble, AC power source trouble, interlock switch trouble Check and remedy Use SIM 5-2 to check lighting of the heater lamp. Check conduction of the thermostat. Replace the heater lamp, the PCU PWB, and the AC PWB.
Code: H7-11
Description:
Low temperature detection during the temperature control reset operation after stopping the alarm in a JOB (HL_LM)
Causes:
When the alarm is stopped, the set temperature is not reached within the specified time. * Alarm stop: When the fusing temperature falls below the specified level in a print JOB, printing is interrupted temporarily and the temperature is reset.
Remedy:
Case 1 Cause Connector and harness connection trouble Check and remedy Check connection of the connector and the harness. Case 2 Cause Thermistor trouble, thermostat trouble, heater lamp trouble, PCU PWB trouble, AC power source trouble, interlock switch trouble Check and remedy Use SIM 5-2 to check lighting of the heater lamp. Check conduction of the thermostat. Replace the heater lamp, the PCU PWB, and the AC PWB.
Code: H7-12
Description:
Low temperature detection during the temperature control reset operation after stopping the alarm in a JOB (HL_US)
Causes:
When the alarm is stopped, the set temperature is not reached within the specified time. * Alarm stop: When the fusing temperature falls below the specified level in a print JOB, printing is interrupted temporarily and the temperature is reset.
Remedy:
Case 1 Cause Connector and harness connection trouble Check and remedy Check connection of the connector and the harness. Case 2 Cause Thermistor trouble, thermostat trouble, heater lamp trouble, PCU PWB trouble, AC power source trouble, interlock switch trouble Check and remedy Use SIM 5-2 to check lighting of the heater lamp. Check conduction of the thermostat. Replace the heater lamp, the PCU PWB, and the AC PWB.
Code: H7-14
Description:
Low temperature detection during the temperature control reset operation after stopping the alarm in a JOB (HL_EX1)
Causes:
When the alarm is stopped, the set temperature is not reached within the specified time. * Alarm stop: When the fusing temperature falls below the specified level in a print JOB, printing is interrupted temporarily and the temperature is reset.
Remedy:
Case 1 Cause Connector and harness connection trouble Check and remedy Check connection of the connector and the harness. Case 2 Cause Thermistor trouble, thermostat trouble, heater lamp trouble, PCU PWB trouble, AC power source trouble, interlock switch trouble Check and remedy Use SIM 5-2 to check lighting of the heater lamp. Check conduction of the thermostat. Replace the heater lamp, the PCU PWB, and the AC PWB.
Code: L1-00
Description:
Mirror feed trouble
Causes:
Mirror unit trouble, mirror wire disengagement
Remedy:
Use SIM1-1 to check the mirror operation.
Code: L3-00
Description:
Mirror return trouble
Causes:
Mirror unit trouble, mirror wire disengagement
Remedy:
Use SIM1-1 to check the mirror operation.
Code: L4-02
Description:
Paper feed motor lock trouble
Causes:
Paper feed motor trouble, harness connection trouble between PCU PWB and paper feed motor, control circuit trouble
Remedy:
Use SIM6-1 to check the paper feed motor operation. Check the harness and the connector between the PCU PWB and the paper feed motor.
Code: L4-03
Description:
Fusing motor lock trouble
Causes:
The motor lock signal is detected during rotation of the fusing motor.
Remedy:
Case 1 Cause Harness connection trouble between the PCU PWB and the fusing motor. Check and remedy Check the harness and the connector between the PCU PWB and the fusing motor. Case 2 Cause Fusing motor trouble, control circuit trouble Check and remedy Use SIM6-1 to check the operation of the fusing motor.
Code: L4-04
Description:
Developing motor trouble (BK)
Causes:
The motor lock signal is detected during rotation of the developing motor.
Remedy:
Case 1 Cause Harness connection trouble between the PCU PWB and the developing motor. Check and remedy Check the harness and the connector between the PCU PWB and the developing motor. Case 2 Cause Developing motor trouble, control circuit trouble Check and remedy Use SIM25-1 to check the operation of the developing motor.
Code: L4-05
Description:
Developing motor trouble (CL)
Causes:
The motor lock signal is detected during rotation of the developing motor.
Remedy:
Case 1 Cause Harness connection trouble between the PCU PWB and the developing motor. Check and remedy Check the harness and the connector between the PCU PWB and the developing motor. Case 2 Cause Developing motor trouble, control circuit trouble Check and remedy Use SIM25-1 to check the operation of the developing motor.
Code: L4-06
Description:
Transfer belt separation position sensor trouble
Causes:
When separating the primary transfer belt unit, change in the separation position sensor characteristics is not detected within the specified time.
Remedy:
Case 1 Cause Harness connection trouble between the PCU PWB and the separation position sensor Check and remedy Check the harness between the PCU PWB and the separation position sensor. Case 2 Cause The belt position sensor is not interrupted or it is always interrupted. Belt separation clutch operation trouble Check and remedy Use SIM6-3 to check the belt separation operation. Check to insure that the sensor is interrupted from lighting when the belt is separated. Case 3 Cause The primary transfer belt unit is not installed. Check and remedy Install the primary transfer belt unit.
Code: L4-08
Description:
Waste toner motor lock
Causes:
The motor lock signal is detected during rotation of the waste toner motor.
Remedy:
Case 1 Cause Harness connection trouble between the PCU PWB and the waste toner motor. Check and remedy Check the harness and the connector between the PCU PWB and the waste toner motor. Case 2 Cause Waste toner motor trouble, control circuit trouble Check and remedy Use SIM6-1 to check the operation of the waste toner motor.
Code: L4-09
Description:
Resist motor lock
Causes:
When the resist motor is rotation, the motor lock signal is detected.
Remedy:
Case 1 Cause Harness connection trouble between the PCU PWB and the resist motor Check and remedy Check the harness and the connector between the PCU PWB and the resist motor. Case 2 Cause Resist motor trouble, control circuit trouble Check and remedy Use SIM6-1 to check the operation of the resist motor.
Description:
Fusing section low temperature trouble (TH_UM_AD2)
Causes:
Thermistor trouble, heater lamp trouble, PCU PWB trouble, thermostat trouble, AC power source trouble, interlock switch trouble
Remedy:
1) Use SIM5-2 to check blinking of the heater lamp. 2) If it blinks normally, check the thermistor and the harness. Check the PCU PWB thermistor input circuit section. 3) If it is not lighted, check for the heater lamp disconnection and the thermostat breakage. Check the interlock switch. Check the AC PWB and the PCU PWB lamp control circuit. 4) Use SIM14 to cancel the trouble.
Code: H4-01
Description:
Fusing section low temperature trouble (TH_LM)
Causes:
Thermistor trouble, heater lamp trouble, PCU PWB trouble, thermostat trouble, AC power source trouble, interlock switch trouble
Remedy:
1) Use SIM5-2 to check blinking of the heater lamp. 2) If it blinks normally, check the thermistor and the harness. Check the PCU PWB thermistor input circuit section. 3) If it is not lighted, check for the heater lamp disconnection and the thermostat breakage. Check the interlock switch. Check the AC PWB and the PCU PWB lamp control circuit. 4) Use SIM14 to cancel the trouble.
Code: H4-02
Description:
Sub thermistor fusing section low temperature trouble (TH_US)
Causes:
Thermistor trouble, heater lamp trouble, PCU PWB trouble, thermostat trouble, AC power source trouble, interlock switch trouble
Remedy:
1) Use SIM5-2 to check blinking of the heater lamp. 2) If it blinks normally, check the thermistor and the harness. Check the PCU PWB thermistor input circuit section. 3) If it is not lighted, check for the heater lamp disconnection and the thermostat breakage. Check the interlock switch. Check the AC PWB and the PCU PWB lamp control circuit. 4) Use SIM14 to cancel the trouble.
Code: H4-04
Description:
External heating thermistor fusing section low temperature trouble (TH_EX1)
Causes:
Thermistor trouble, heater lamp trouble, PCU PWB trouble, thermostat trouble, AC power source trouble, interlock switch trouble
Remedy:
1) Use SIM5-2 to check blinking of the heater lamp. 2) If it blinks normally, check the thermistor and the harness. Check the PCU PWB thermistor input circuit section. 3) If it is not lighted, check for the heater lamp disconnection and the thermostat breakage. Check the interlock switch. Check the AC PWB and the PCU PWB lamp control circuit. 4) Use SIM14 to cancel the trouble.
Code: H4-30
Description:
Detection thermistor input abnormality (TH_UM)
Causes:
HL_UM does not turn on. Thermistor trouble, harness trouble, PCU PWB trouble
Remedy:
1) Use SIM5-2 to check blinking of the heater lamp. 2) If it blinks normally, check the thermistor and the harness. Check the PCU PWB thermistor input circuit section. 3) If it is not lighted, check for the heater lamp disconnection and the thermostat breakage. Check the interlock switch. Check the AC PWB and the PCU PWB lamp control circuit. 4) Use SIM14 to cancel the trouble.
Code: H5-01
Description:
5 continuous detection of POD1 notreached jam
Causes:
5 continuous detection of POD1 not-reached jam
Remedy:
Case 1 Cause The fusing jam is not removed completely. (Jam paper remains.) Check and remedy Check the fusing section for jam paper. (winding, etc.) Case 2 Cause POD1 sensor trouble or harness connection trouble Check and remedy Check the POD1 sensor harness. Use SIM14 to cancel the trouble. Case 3 Cause Fusing unit installation trouble Check and remedy Check the fusing unit installation.
Code: H7-10
Description:
Low temperature detection during the temperature control reset operation after stopping the alarm in a JOB (HL_UM)
Causes:
When the alarm is stopped, the set temperature is not reached within the specified time. * Alarm stop: When the fusing temperature falls below the specified level in a print JOB, printing is interrupted temporarily and the temperature is reset.
Remedy:
Case 1 Cause Connector and harness connection trouble Check and remedy Check connection of the connector and the harness. Case 2 Cause Thermistor trouble, thermostat trouble, heater lamp trouble, PCU PWB trouble, AC power source trouble, interlock switch trouble Check and remedy Use SIM 5-2 to check lighting of the heater lamp. Check conduction of the thermostat. Replace the heater lamp, the PCU PWB, and the AC PWB.
Code: H7-11
Description:
Low temperature detection during the temperature control reset operation after stopping the alarm in a JOB (HL_LM)
Causes:
When the alarm is stopped, the set temperature is not reached within the specified time. * Alarm stop: When the fusing temperature falls below the specified level in a print JOB, printing is interrupted temporarily and the temperature is reset.
Remedy:
Case 1 Cause Connector and harness connection trouble Check and remedy Check connection of the connector and the harness. Case 2 Cause Thermistor trouble, thermostat trouble, heater lamp trouble, PCU PWB trouble, AC power source trouble, interlock switch trouble Check and remedy Use SIM 5-2 to check lighting of the heater lamp. Check conduction of the thermostat. Replace the heater lamp, the PCU PWB, and the AC PWB.
Code: H7-12
Description:
Low temperature detection during the temperature control reset operation after stopping the alarm in a JOB (HL_US)
Causes:
When the alarm is stopped, the set temperature is not reached within the specified time. * Alarm stop: When the fusing temperature falls below the specified level in a print JOB, printing is interrupted temporarily and the temperature is reset.
Remedy:
Case 1 Cause Connector and harness connection trouble Check and remedy Check connection of the connector and the harness. Case 2 Cause Thermistor trouble, thermostat trouble, heater lamp trouble, PCU PWB trouble, AC power source trouble, interlock switch trouble Check and remedy Use SIM 5-2 to check lighting of the heater lamp. Check conduction of the thermostat. Replace the heater lamp, the PCU PWB, and the AC PWB.
Code: H7-14
Description:
Low temperature detection during the temperature control reset operation after stopping the alarm in a JOB (HL_EX1)
Causes:
When the alarm is stopped, the set temperature is not reached within the specified time. * Alarm stop: When the fusing temperature falls below the specified level in a print JOB, printing is interrupted temporarily and the temperature is reset.
Remedy:
Case 1 Cause Connector and harness connection trouble Check and remedy Check connection of the connector and the harness. Case 2 Cause Thermistor trouble, thermostat trouble, heater lamp trouble, PCU PWB trouble, AC power source trouble, interlock switch trouble Check and remedy Use SIM 5-2 to check lighting of the heater lamp. Check conduction of the thermostat. Replace the heater lamp, the PCU PWB, and the AC PWB.
Code: L1-00
Description:
Mirror feed trouble
Causes:
Mirror unit trouble, mirror wire disengagement
Remedy:
Use SIM1-1 to check the mirror operation.
Code: L3-00
Description:
Mirror return trouble
Causes:
Mirror unit trouble, mirror wire disengagement
Remedy:
Use SIM1-1 to check the mirror operation.
Code: L4-02
Description:
Paper feed motor lock trouble
Causes:
Paper feed motor trouble, harness connection trouble between PCU PWB and paper feed motor, control circuit trouble
Remedy:
Use SIM6-1 to check the paper feed motor operation. Check the harness and the connector between the PCU PWB and the paper feed motor.
Code: L4-03
Description:
Fusing motor lock trouble
Causes:
The motor lock signal is detected during rotation of the fusing motor.
Remedy:
Case 1 Cause Harness connection trouble between the PCU PWB and the fusing motor. Check and remedy Check the harness and the connector between the PCU PWB and the fusing motor. Case 2 Cause Fusing motor trouble, control circuit trouble Check and remedy Use SIM6-1 to check the operation of the fusing motor.
Code: L4-04
Description:
Developing motor trouble (BK)
Causes:
The motor lock signal is detected during rotation of the developing motor.
Remedy:
Case 1 Cause Harness connection trouble between the PCU PWB and the developing motor. Check and remedy Check the harness and the connector between the PCU PWB and the developing motor. Case 2 Cause Developing motor trouble, control circuit trouble Check and remedy Use SIM25-1 to check the operation of the developing motor.
Code: L4-05
Description:
Developing motor trouble (CL)
Causes:
The motor lock signal is detected during rotation of the developing motor.
Remedy:
Case 1 Cause Harness connection trouble between the PCU PWB and the developing motor. Check and remedy Check the harness and the connector between the PCU PWB and the developing motor. Case 2 Cause Developing motor trouble, control circuit trouble Check and remedy Use SIM25-1 to check the operation of the developing motor.
Code: L4-06
Description:
Transfer belt separation position sensor trouble
Causes:
When separating the primary transfer belt unit, change in the separation position sensor characteristics is not detected within the specified time.
Remedy:
Case 1 Cause Harness connection trouble between the PCU PWB and the separation position sensor Check and remedy Check the harness between the PCU PWB and the separation position sensor. Case 2 Cause The belt position sensor is not interrupted or it is always interrupted. Belt separation clutch operation trouble Check and remedy Use SIM6-3 to check the belt separation operation. Check to insure that the sensor is interrupted from lighting when the belt is separated. Case 3 Cause The primary transfer belt unit is not installed. Check and remedy Install the primary transfer belt unit.
Code: L4-08
Description:
Waste toner motor lock
Causes:
The motor lock signal is detected during rotation of the waste toner motor.
Remedy:
Case 1 Cause Harness connection trouble between the PCU PWB and the waste toner motor. Check and remedy Check the harness and the connector between the PCU PWB and the waste toner motor. Case 2 Cause Waste toner motor trouble, control circuit trouble Check and remedy Use SIM6-1 to check the operation of the waste toner motor.
Code: L4-09
Description:
Resist motor lock
Causes:
When the resist motor is rotation, the motor lock signal is detected.
Remedy:
Case 1 Cause Harness connection trouble between the PCU PWB and the resist motor Check and remedy Check the harness and the connector between the PCU PWB and the resist motor. Case 2 Cause Resist motor trouble, control circuit trouble Check and remedy Use SIM6-1 to check the operation of the resist motor.
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