Brother MFC-L3750CDW Print Unable 05

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • Quicksilver
    Technician
    • Sep 2022
    • 25

    #1

    Brother MFC-L3750CDW Print Unable 05

    The machine required a new fuser unit after the customer had damaged the existing one attempting to clear a wrap around paper jam. After fitting a new fuser, the machine won't come to ready after following on screen prompts & leaving for 15 minutes to recover. I'm wondering if there is a reset for this condition, if it hasn't also taken the LVPS out?
  • dalewb74
    Service Manager

    Site Contributor
    1,000+ Posts
    • Feb 2018
    • 1107

    #2
    have you checked your part number to verify it is the correct part number?

    Comment

    • Quicksilver
      Technician
      • Sep 2022
      • 25

      #3
      Presuming you mean the Fuser Unit, yes the part number is the correct one D0135Y001. I've since tried a soft re-set to no avail & inspected the LVPS. Whilst the fuses test ok, I've found Zener Diode D16 has failed, so suspecting that to be the culprit. However, it's difficult to read the value of the ZD & other than discovering that, the only option is to get a replacement LVPS PCB. Any further advice would be most appreciated

      Comment

      • Quicksilver
        Technician
        • Sep 2022
        • 25

        #4
        So, I've found the problem. It wasn't the LVPS as first thought, it turned out to be the Eject Sensor PCB. Where the 2 pin white cable plugs in, the port on the PCB was loose & it had broken away from the tracking printed circuit.

        Comment

        • tsbservice
          Field tech

          Site Contributor
          5,000+ Posts
          • May 2007
          • 7906

          #5
          Originally posted by Quicksilver
          So, I've found the problem. It wasn't the LVPS as first thought, it turned out to be the Eject Sensor PCB. Where the 2 pin white cable plugs in, the port on the PCB was loose & it had broken away from the tracking printed circuit.
          Thanks for letting us know 😃
          A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.
          Blessed are they who can laugh at themselves, for they shall never cease to be amused.

          Comment

          Working...