Canon iR3300 Error Codes

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The intervals of zero-cross signals deviate from the tolerance range while the fixing heater is supplied with power


The wiring is faulty (short circuit, open circuit). The main power supply PCB is faulty. The DC controller PCB is faulty.


1. Connectors Are the connector J205 on the main power supply PCB and the connector J308B on the DC controller PCB securely connected? (zero-cross signal: J205-7 <-> J308B-1) NO: Connect the connectors securely. 2. Main power supply PCB, Main controller PCB Try replacing the main power supply PCB. Is the problem corrected? YES: End. NO: Replace the DC controller PCB.