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  1. #1
    Field Supervisor 500+ Posts Luther's Avatar
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    workcentre c2424

    I was asked by a customer to take a look at this machine while i was there servicing a canon, as soon as you turn it on it goes to a code:37.004.40, any help in way would be appreciated...thanks in advance


  2. #2
    Service Manager 1,000+ Posts
    workcentre c2424

    bojans's Avatar
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    Re: workcentre c2424

    Found this in Eureka

    PROBLEM:
    Insufficient AC Power Can Cause 37,002 thru 37,013PEST Fault Codes.
    AC power supplied by power sources such as uninterruptible power supplies (UPSs) or DC-to-AC inverter systems may not supply correct voltage to properly power up the printer. Likewise, other devices sharing the same AC circuit can cause AC voltage sags that cause the printer to fail its AC heater PEST tests (Print Engine Self Test).

    In both cases the printer may produce any of the following disconnected heater errors:
    Printhead jet-stack 37,002.47 or 37,003.48
    Reservoir heater, 37,004.40 or 37,005.41
    Drum heater error 37,006.42
    Preheater error 37,008.44
    Ink melters errors 37,009.45 thru 37,013.40

    CAUSE:

    The printer features several heaters controlled by printer electronics and powered by AC electricity. The printer itself can power up despite insufficient or irregular AC voltage but it may fail its AC heater tests. This is due the test not measuring sufficient current flowing through the heater at the moment the test runs.

    Devices sharing the AC circuit shared with the printer, such as a laser printer pulse-heating its fuser, a coffee maker heating its warming plate via a thermo-breaker, or a space heater turning on, may be placing heavy intermittent demand on the AC circuit. This sudden inductive demand creates momentary AC voltage sag that causes the PEST test to fail.

    SOLUTION:

    Verify the AC power source when you troubleshoot a printer exhibiting any of these errors. Try powering up the printer on a different AC circuit on a different breaker. Turn off other devices, such as laser printers and coffee makers on the same circuit.


  3. #3
    Field Supervisor 500+ Posts Luther's Avatar
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    Re: workcentre c2424

    Thank you bojans...thats a huge help!!


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