1
Download TASKalfa 300i
Transcript
2K5 Remarks Code C6020 C6050 C6120 C6150 Contents Abnormally high fuser thermistor center temperature Fuser thermistor 2 is detected 230°C/ 446°F or more for 40 ms. Abnormally low fuser thermistor center temperature Fuser thermistor 1 is detected 100°C/ 212°F less then 1 s continuously during copying. Abnormally high fuser thermistor edge temperature Fuser thermistor 1 is detected 240°C/ 464°F or more for 40 ms. Abnormally low fuser thermistor edge temperature Fuser thermistor 1 is detected 80°C/ 176°F less than 1 s continuously during copying. Causes Check procedures/corrective measures Installation defectiveness on fuser thermistor 2. Check the mounting state of the fuser thermistor 2. If any problem is found, repair it. Defective fuser thermistor 2. Replace the fuser thermistor 2. Defective engine PWB. Replace the engine PWB and check for correct operation. Defective fuser heater 1 or 2. Replace the fuser heater 1 or 2. Installation defectiveness on fuser thermistor 2. Check the mounting state of the fuser thermistor 2. If any problem is found, repair it. Defective PWB. Replace the power source PWB or engine PWB and check for correct operation. Installation defectiveness on fuser thermistor 1. Check the mounting state of the fuser thermistor 1. If any problem is found, repair it. Defective fuser thermistor 1. Replace the fuser thermistor 1. Defective engine PWB. Replace the engine PWB and check for correct operation. Defective fuser heater 1 or 2. Replace the fuser heater 1 or 2. Installation defectiveness on fuser thermistor 1. Check the mounting state of the fuser thermistor 1. If any problem is found, repair it. Defective PWB. Replace the power source PWB or engine PWB and check for correct operation. C6400 Zero-cross signal error While fuser heater ON/OFF control is performed, the zero-cross signal is not input within 3 s. Defective PWB. Replace the power source PWB or engine PWB and check for correct operation. C6420 Fuser unit fuse cut problem The fuse cannot be cut, When replacing the fuser unit, the fuse cannot be cut in 3 s after the fuse cut signal is turned on. Poor contact in the connector terminals. Check the connection of connector YC1 on the engine PWB and the continuity across the connector terminals. Repair or replace if necessary. Fuser unit connector inserted incorrectly. Reinsert the fuser unit connector if necessary. 1-4-27
