Xerox 510 wide format code LL-25

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  • Desert Rat
    Service Manager

    Site Contributor
    1,000+ Posts
    • May 2008
    • 1089

    Xerox 510 wide format code LL-25

    I saw this machine the other day and it goes through
    the power up and almost printed a full sheet.
    The print felt grainy and a small amount of developer mix
    is showing in the paper path just below the dv unit.
    I have never worked on this model and I do have the book.
    But I know I will still need some pointers on how not to
    screw it up.
    I found some info on xeroxforum.org that also seemed to apply.
    I will visit this account again tomorrow.

    Thanks

    DR
  • adriansto
    Service Manager

    Site Contributor
    VIP Subscriber
    1,000+ Posts
    • Nov 2007
    • 2308

    #2
    Re: Xerox 510 wide format code LL-25

    Check erase lamp and HVPS.

    Comment

    • Desert Rat
      Service Manager

      Site Contributor
      1,000+ Posts
      • May 2008
      • 1089

      #3
      Re: Xerox 510 wide format code LL-25

      Thanks,
      I will check the book for the procedure.
      I have to remember it's just a big copier,
      that works sorta kinda the same as all the others.

      I hope


      Thanks

      DR

      Comment

      • technogeek2009
        Trusted Tech

        Site Contributor
        100+ Posts
        • Mar 2011
        • 167

        #4
        Re: Xerox 510 wide format code LL-25

        The 510 does have a number of idiosyncrasies, particularly with regard to developer dumping. You will want to clean out the D/T and BTR channels, which can fill up with developer. As mentioned above, the erase LED assembly from Xerox is a common culprit for failure. Sections of LED's will go out, causing excess charge potential in that are of the drum. This in turn causes developer dumping in that area. So if you see a concentration of developer about 2" wide, you most likely have a bad LED assembly. We have re-engineered the LED assembly to not fail, and also to provide additional light on the ends of the drum This in turn can prevent developer bead carry over on the outer edges.

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        • Desert Rat
          Service Manager

          Site Contributor
          1,000+ Posts
          • May 2008
          • 1089

          #5
          Re: Xerox 510 wide format code LL-25

          technogeek2009,
          Sounds like you have worked on these before. Is there an easy way to check the lamp?
          The developer scattering I see on this unit is about 2" or so and it is in the middle.
          Any chance I could get one those re-engineered lamps if needed?

          Thanks

          DR

          Comment

          • adriansto
            Service Manager

            Site Contributor
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            1,000+ Posts
            • Nov 2007
            • 2308

            #6
            Re: Xerox 510 wide format code LL-25

            Why you dont read the service manual ?
            Use procedure 09-66 to check erase lamp and you'll be abble to repair it.

            Comment

            • technogeek2009
              Trusted Tech

              Site Contributor
              100+ Posts
              • Mar 2011
              • 167

              #7
              Re: Xerox 510 wide format code LL-25

              You can test the erase LED while still installed in the machine. However, I recommend to first remove the Erase LED assembly. Then reassemble the drum in the machine. Next, cheat the top cover interlock switch, and place the machine into diagnostics, then run 09-66. This turns the eraser LED on. I usually hold the LED assembly and gently shake it as vibration will often uncover the weaknesses in the assembly. If a section turns off, flashes, or does not light at all, you know what to do. Otherwise, I leave the LED on until the timer function turns the assembly off.

              I suspect in your case that you have a bad LED assembly from how you describe a concentration of developer in the center. If you would like to purchase an LED assembly, drop me a note cbyrne@goevergreen.net

              Comment

              • Desert Rat
                Service Manager

                Site Contributor
                1,000+ Posts
                • May 2008
                • 1089

                #8
                Re: Xerox 510 wide format code LL-25

                Technogeek2009,
                Thank you for expanding on the procedure, As I have never seen this model
                and have no clue as to where to start, this will help. Should I find the lamp
                is bad I will order one from you. What is the price of the lamp assembly?

                Adriansto,
                As mentioned I am not familar with this model, I need to read the book
                for the program codes and the tear down procedure. I have to pay
                for my own mistakes. Having the book helps keep that cost down.
                And I learn more about what I am doing.


                Thank for the info

                DR
                Last edited by Desert Rat; 06-05-2012, 07:03 PM. Reason: left out sentence

                Comment

                • walidcharifi
                  Trusted Tech
                  • Feb 2011
                  • 370

                  #9
                  Re: Xerox 510 wide format code LL-25

                  Originally posted by technogeek2009
                  You can test the erase LED while still installed in the machine. However, I recommend to first remove the Erase LED assembly. Then reassemble the drum in the machine. Next, cheat the top cover interlock switch, and place the machine into diagnostics, then run 09-66. This turns the eraser LED on. I usually hold the LED assembly and gently shake it as vibration will often uncover the weaknesses in the assembly. If a section turns off, flashes, or does not light at all, you know what to do. Otherwise, I leave the LED on until the timer function turns the assembly off.

                  I suspect in your case that you have a bad LED assembly from how you describe a concentration of developer in the center. If you would like to purchase an LED assembly, drop me a note cbyrne@goevergreen.net
                  Hello
                  I have the same problem ll-25
                  I replace the erase lamp but always ll-25
                  -The lamp runs on another machine-
                  help me if y can

                  Comment

                  • technogeek2009
                    Trusted Tech

                    Site Contributor
                    100+ Posts
                    • Mar 2011
                    • 167

                    #10
                    Re: Xerox 510 wide format code LL-25

                    Here is the LL-25 RAP from the manual:
                    LL-25 Charge Voltage V HIGH
                    This fault will occur if the charge voltage, V high, exceeds -580 volts. This generally is a result
                    of the Erase Lamp being off, the Drum is not grounded the ESV 1 probe is not working, or there
                    is an open circuit in the Grid on the Charge Scorotron.
                    Initial Actions
                    Refer to ADJ 9.2 and perform [0904].
                    Procedure
                    Enter [0966] and visually check that the Erase Lamp is on. The Erase Lamp is on.
                    Y N
                    Refer to BSD 9.6 and trouble shoot the Charge Erase circuitry.
                    Check the Drum ground for damage and contamination or an open or short circuit to ground.
                    There is a short or open or drum ground is damage or contaminated.
                    Y N
                    Examine the Electrometer Probe (ESV 1) and the Probe Harness for damage, connectors
                    not fully connected (BSD 9.1). There is damage to the Probe and/or Harness.
                    Y N
                    Check for an open in the Charge Scorotron Grid circuit (BSD 9.1).
                    Replace the Electrometer Probe and PWB (PL 9.9).
                    Clean/Repair the drum ground.

                    Comment

                    • walidcharifi
                      Trusted Tech
                      • Feb 2011
                      • 370

                      #11
                      Re: Xerox 510 wide format code LL-25

                      Originally posted by technogeek2009
                      Here is the LL-25 RAP from the manual:
                      LL-25 Charge Voltage V HIGH
                      This fault will occur if the charge voltage, V high, exceeds -580 volts. This generally is a result
                      of the Erase Lamp being off, the Drum is not grounded the ESV 1 probe is not working, or there
                      is an open circuit in the Grid on the Charge Scorotron.
                      Initial Actions
                      Refer to ADJ 9.2 and perform [0904].
                      Procedure
                      Enter [0966] and visually check that the Erase Lamp is on. The Erase Lamp is on.
                      Y N
                      Refer to BSD 9.6 and trouble shoot the Charge Erase circuitry.
                      Check the Drum ground for damage and contamination or an open or short circuit to ground.
                      There is a short or open or drum ground is damage or contaminated.
                      Y N
                      Examine the Electrometer Probe (ESV 1) and the Probe Harness for damage, connectors
                      not fully connected (BSD 9.1). There is damage to the Probe and/or Harness.
                      Y N
                      Check for an open in the Charge Scorotron Grid circuit (BSD 9.1).
                      Replace the Electrometer Probe and PWB (PL 9.9).
                      Clean/Repair the drum ground.
                      thanks
                      (09 04) error 3

                      Comment

                      • technogeek2009
                        Trusted Tech

                        Site Contributor
                        100+ Posts
                        • Mar 2011
                        • 167

                        #12

                        Comment

                        • Desert Rat
                          Service Manager

                          Site Contributor
                          1,000+ Posts
                          • May 2008
                          • 1089

                          #13
                          Re: Xerox 510 wide format code LL-25

                          technogeek2009,
                          Thank you for so much information. And forgive me for not posting that the customer has moved on to
                          a different machine and tech.

                          If I had a few of these to work on, I would have followed up more. But I am busy enough without a new headache.

                          Thanks again

                          CD

                          Comment

                          • technogeek2009
                            Trusted Tech

                            Site Contributor
                            100+ Posts
                            • Mar 2011
                            • 167

                            #14
                            Re: Xerox 510 wide format code LL-25

                            No worries, and thanks for letting me know. Good luck on your other products. We also support KIP products, so if you need parts or support on them, let me know.

                            Have a great one,
                            Carl

                            Comment

                            • Desert Rat
                              Service Manager

                              Site Contributor
                              1,000+ Posts
                              • May 2008
                              • 1089

                              #15
                              Re: Xerox 510 wide format code LL-25

                              I get a request about once a year to service Kips. If I was getting more request I would go after them as well.
                              but mostly just the HP plotters.
                              Which brings me to my next post. I recently service an HP T1100. Changing the carriage belt. I did not notice that
                              the ink tube assembly was leaking on the carpet. I know that windex with ammonia is good for cleaning the inks, but
                              it did not take it all out and now the customer is concerned.

                              Is there a product that will clean this out? My customer used to have a carpet cleaning business and is concerned
                              that the stains will not come out.

                              Any suggestions would help.

                              Thanks

                              DR

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