No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
564 A Pressure roller overheat 3 (hardware error)
The pressure roller thermistor (center) detects 250°C or more.
• Defective PSU
• Defective BCU
• Defective pressure roller thermistor (center)
• Defective fusing control system
1. Replace the pressure roller thermistor (center).
2. Replace the PSU.
3. Replace the BCU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
565 A Pressure roller fusing lamp consecutive full power 3
When the fusing unit is not running in the ready condition, the pressure roller
fusing lamp keeps ON full power for 30 seconds or more.
• Broken pressure roller thermostat
• Broken pressure roller fusing lamp
1. Replace the pressure roller fusing lamp.
2. Replace the pressure roller thermostat.
3. Replace the PSU.
6. Troubleshooting
594
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