Canon iR1600

Error Code:

Code: E004
Description: At time of initialization, the ZEROXI* signal of the power supply is not detected.
During temperature control, the ZEROXI* signal does not arrive for 3 sec continuously.
A short circuit is detected in the triac (ASIC; fixing temperature control drive circuit error).
The power supply PCB is faulty. The DC controller PCB is faulty.)
Note: If E000 through E004 is indicated, the RAM on the image processor will retain the error memory of the fixing assembly after the power switch has been turned off an then on. Execute the following in service mode, and turn off and then on the power switch to clear the memory:
#7 PRINTER - #4 PRINTER RESET - YES=(*)
Causes: Fixing assembly is faulty. (The main thermistor has an open circuit. The sub thermistor has an open circuit. The fixing heater has an open circuit.
Remedy: 1) Wiring Is the connection of the connector (CN8) on the power supply PCB and the connector (J103) on the DC controller PCB and the wiring to the fixing assembly normal? NO : Correct the connection and wiring. 2) Fixing assembly Try replacing the fixing assembly. Is the fault corrected? YES : End. 3) Power supply PCB, DC controller PCB Try repacking the power supply PCB. Is the fault corrected? YES : End. NO : Replace the DC controller PCB. 4) Error With the power switch ON, clear E000 through E004; then, turn off and then on the power switch.

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