Description: Heat roller high temperature detection. The fusing temperature is over 241.5°C (less than 1.3-V input voltage is detected.)
Causes: Thermister defective Control PWB defective Improper connection of fusing unit connector AC power supply defective
Remedy: Check heater lamp operation with SIM5-2. If lamp blinks properly: Check thermister and its harness. Check thermister input circuit of control PWB. If lamp lights and stays lit: Check lamp control circuits of AC PWB and control PWB. Clear the trouble with SIM14.
Code: H4 00, H4 HL1
Description: Heat roller low temperature detection. The temperature does not reach the preset value within the specified time (3 min. in usual modes; 5 min. in curl correction mode.) after the power relay is turned on.
Causes: Thermister defective Heater lamp defective Control PWB defective Thermostat defective AC power supply defective Interlock switch defective
Remedy: Check heater lamp for blinking with SIM5-2. If lamp blinks properly: Check thermister and its harness. Check thermister input circuit of control PWB. If lamp does not light: Check heater lamp for broken wire and thermostat for operation. Check interlock switch. Check lamp control circuit of AC PWB and control PWB. Clear the trouble with SIM14.
Code: H4 01, H4 HL2
Description: Heat roller low temperature detection. The temperature does not reach the preset value within the specified time (3 min. in usual modes; 5 min. in curl correction mode.) after the power relay is turned on.
Causes: Thermister defective Heater lamp defective Control PWB defective Thermostat defective AC power supply defective Interlock switch defective
Remedy: Check heater lamp for blinking with SIM5-2. If lamp blinks properly: Check thermister and its harness. Check thermister input circuit of control PWB. If lamp does not light: Check heater lamp for broken wire and thermostat for operation. Check interlock switch. Check lamp control circuit of AC PWB and control PWB. Clear the trouble with SIM14.
Code: H5 01
Description: 3 continuous POD1 not-reaching JAM detection. 3 continuous POD1 not-reaching JAM detection
Causes: Check that the fusing JAM is completely cancelled. (Jam paper may be remained.) POD1 sensor trouble or improper harness connection Improper installation of the fusing harness.
Remedy: Check JAM paper in the fusing section. (Winding, etc.) Check POD1 sensor harness. Check the fusing unit installation. Cancel the trouble with SIM 14.
Causes: Paper winding to fusing roller Fusing pawl abnormality Fusing unit installation abnormality
Remedy: Check for jam (winding) paper in the fusing section. Check for installation of the fusing unit. Check the fusing pawl. Cancel the trouble with SIM 14.
Code: L1 00
Description: Scanner feed trouble. Scanner feed is not finished within the specified time. (timer is change by magnification)
Causes: Mirror unit defective Scanner wire disconnected
Remedy: Check scanning operation with SIM1-1.
Code: L3 00
Description: Scanner return trouble. Scanner return is not finished within the specified time. (timer is change by magnification)
Causes: Mirror unit defective Scanner wire disconnected
Remedy: Check scanning operation with SIM1-1.
Code: L4 01
Description: Main motor lock detection. Motor lock signal is detected for 1.5 seconds during main motor rotation
Causes: Main motor defective Improper connection of harness between PCU PWB and main motor Control circuit defective
Remedy: Check main motor operation with SIM25-1. Check harness and connector between PCU PWB and main motor.