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Value Jet 1604 after heater platten

Discussion in 'Mutoh' started by imagepro, Jun 13, 2013.

  1. imagepro

    imagepro New Member

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    How does one test to find the problem with the after heater? What generally needs to be done to fix?
     
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  2. J Hill Designs

    J Hill Designs Major Contributor

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    Sep 24, 2004
    Just a guess, but...

    open the beast up, check for voltage to heater elements. yes? heater element issue -- replace | no? heater control board issue
     
  3. Solventinkjet

    Solventinkjet DIY Printer Fixing Guide

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    Aug 2, 2011
    Denver, CO
    What kind of symptoms are you experiencing?
     
  4. imagepro

    imagepro New Member

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    imagepro

    Went to use this morning and machine would not warm up to print. Noticed the after heater was not hot the other two were. Turned after heater off and it printed.
     
  5. Solventinkjet

    Solventinkjet DIY Printer Fixing Guide

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    Aug 2, 2011
    Denver, CO
    There are two heating elements in the front heater. I doubt they both would fail at the same time unless it was a heater control board or heater relay board going bad. Check to see if one side of the heater seems to be warming up. If so it could be the thermistor which is a cheap and easy fix. If you know how to use electronic testing equipment, you can test the thermistors by squeezing it between your fingers and testing the resistance. Your reading should change fairly rapidly. If it only slightly changes or not at all, the thermistor is bad.
     
  6. LenXIII

    LenXIII Member

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    Tampa Area, FL
    I know this might seem like common sense but check the cord. Does it say "warming up" on the control panel of the printer but just sits there forever? If the power cord is plugged in to the heater port but just a little loose it will not work. Also replace the cord with a spare just to be sure. This is assuming you don't want to test all of the voltages first like they mentioned.
     
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