Check the connector of the fixing film unit or the main thermistor. Overheating or high temperature Inspect the sub-thermistor and DC controller PCB. E540 Tray shift motor failure Check the standard tray HP sensor and motor connectors. Paper Jams Feed path obstruction
Step-by-step procedures for routine servicing and complex parts replacement, such as the fixing film unit. Canon Ir 2420 Service Manual Pdf
Diagnostic procedures for resolving image quality issues and hardware failures. Check the connector of the fixing film unit
For managing the device over a network, refer to the Remote UI Guide . Common Troubleshooting & Error Codes Canon Ir 2420 Service Manual Pdf
If you are an end user: Start with the (free from Canon) and only use the Service Manual for error codes and part numbers. Do not attempt laser or power supply disassembly unless trained.