Imagepress 1135+. PG7 white dots

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  • lilleputte
    Trusted Tech

    100+ Posts
    • Jan 2013
    • 154
    #1

    [CQ] Imagepress 1135+. PG7 white dots

    Hi , i'm struggling with this 1135+.

    White dots on PG7.


    Actions so far

    1. Cleaned paper feed path from paper dust.

    2. Changed itb / primary transfer roller

    3. Inspected developer, drum , charging , fuser. (everything looks perfect)


    SBZC220 VER18022216080.pdf


    All ideas are welcome.
    Tags: 1135+, dots, paper, white
    • zoraldinho
      teacher-guide-expert-guru

      Site Contributor
      2,500+ Posts
      • Mar 2008
      • 4955
      #2
      Re: Imagepress 1135+. PG7 white dots

      Hi,



      Drum failure, developing system failure,
      laser exposure system failure.


      To me look's like scratches on the drum surface but you already check...
      Practice makes perfect
      If it ain't broke, don't fix it
      A picture is worth a thousand words
      If you want something done right, you have to do it yourself

        Comment

        • lilleputte
          Trusted Tech

          100+ Posts
          • Jan 2013
          • 154
          #3
          Re: Imagepress 1135+. PG7 white dots

          Hi ,

          We will remove everything and deep clean the machine.

          I will return with a answer on Monday. Have a nice weekend

            Comment

            • zoraldinho
              teacher-guide-expert-guru

              Site Contributor
              2,500+ Posts
              • Mar 2008
              • 4955
              #4
              Re: Imagepress 1135+. PG7 white dots

              Drum have A4 volume.Print full black on bigger size like A3 and check for dot pattern to find out if it's a drum or not.
              Practice makes perfect
              If it ain't broke, don't fix it
              A picture is worth a thousand words
              If you want something done right, you have to do it yourself

                Comment

                • teckat
                  Field Supervisor

                  Site Contributor
                  10,000+ Posts
                  • Jan 2010
                  • 16092
                  #5
                  Re: Imagepress 1135+. PG7 white dots

                  Originally posted by lilleputte
                  Hi , i'm struggling with this 1135+.

                  White dots on PG7.


                  Actions so far

                  1. Cleaned paper feed path from paper dust.

                  2. Changed itb / primary transfer roller

                  3. Inspected developer, drum , charging , fuser. (everything looks perfect)


                  [ATTACH]38958[/ATTACH]


                  All ideas are welcome.
                  --------------------------
                  ��

                  The white dots are caused in colder environments when the drum heater for the imagePRESS 1135/1125/1110 is not turned on.
                  This can also occur if a new developer assembly is brought in from a cold environment and is installed without allowing the developer unit acclimatize to the room temperature.

                  Resolution for this image quality issue is to turn on the drum heater or allow the new developer unit to reach room temperature prior to testing.

                  Also_u already did this--disreguard��
                  Replacing the Primary Transfer Roller (FC7-9326-000) should resolve the copy quality problem. (White Dots)

                  The Primary Transfer Roller is called the Transfer Roller 1 in the Parts Catalog.
                  The Transfer Roller 1 part number is FC7-9326-000.
                  The estimated life of the part is 1,500,000 prints .
                  **Knowledge is time consuming, exhausting and costly for a trained Tech.**

                    Comment

                    • lilleputte
                      Trusted Tech

                      100+ Posts
                      • Jan 2013
                      • 154
                      #6
                      Re: Imagepress 1135+. PG7 white dots

                      Originally posted by teckat
                      --------------------------
                      ��

                      The white dots are caused in colder environments when the drum heater for the imagePRESS 1135/1125/1110 is not turned on.
                      This can also occur if a new developer assembly is brought in from a cold environment and is installed without allowing the developer unit acclimatize to the room temperature.

                      Resolution for this image quality issue is to turn on the drum heater or allow the new developer unit to reach room temperature prior to testing.

                      Also_u already did this--disreguard��
                      Replacing the Primary Transfer Roller (FC7-9326-000) should resolve the copy quality problem. (White Dots)

                      The Primary Transfer Roller is called the Transfer Roller 1 in the Parts Catalog.
                      The Transfer Roller 1 part number is FC7-9326-000.
                      The estimated life of the part is 1,500,000 prints .
                      Perfect , we did turn the heater on and then the white "dots" are gone .

                      We did change the Primary Transfer Roller but with bad result ( still white dots )

                      Thanks alot for awesome support

                        Comment

                        • teckat
                          Field Supervisor

                          Site Contributor
                          10,000+ Posts
                          • Jan 2010
                          • 16092
                          #7
                          Re: Imagepress 1135+. PG7 white dots

                          Originally posted by lilleputte
                          Perfect , we did turn the heater on and then the white "dots" are gone .

                          We did change the Primary Transfer Roller but with bad result ( still white dots )

                          Thanks alot for awesome support
                          St Patty.jpggo raibh maith agat
                          **Knowledge is time consuming, exhausting and costly for a trained Tech.**

                            Comment

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