Ricoh MP C6003 mottled output

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  • Oscar57
    Technician

    50+ Posts
    • Apr 2008
    • 79
    #1

    Ricoh MP C6003 mottled output

    Hi,

    Does anyone know if there is a toner transfer adjustment or quality adjustment on the Ricoh C6003? Replaced drums and developers but the screens and solids are not that great.
    The Ricoh SP C 840 we service appears to have a very similar print engine and the quality off of that is great.

    -Thanks
    Tags: adjustment, c6003, great, quality, ricoh
    • mikadonovan
      Senior Tech

      Site Contributor
      2,500+ Posts
      • May 2008
      • 2931
      #2
      Re: Ricoh MP C6003 mottled output

      Clean ID sensors and run ACC. Makes a big difference. Also, make sure driver settings are correct for the media.
      NEVER ASSUME ANYTHING

        Comment

        • slimslob
          Retired

          Site Contributor
          25,000+ Posts
          • May 2013
          • 36816
          #3
          Re: Ricoh MP C6003 mottled output

          If the problem is while copying, you might need to clean all the optics.

            Comment

            • Oscar57
              Technician

              50+ Posts
              • Apr 2008
              • 79
              #4
              Re: Ricoh MP C6003 mottled output

              I did already clean the ID sensors. It seems like it needs more transfer voltage but I don't know if that's adjustable.
              I guess the next thing is to change the transfer belt assy.

                Comment

                • slimslob
                  Retired

                  Site Contributor
                  25,000+ Posts
                  • May 2013
                  • 36816
                  #5
                  Re: Ricoh MP C6003 mottled output

                  Originally posted by Oscar57
                  I did already clean the ID sensors. It seems like it needs more transfer voltage but I don't know if that's adjustable.
                  I guess the next thing is to change the transfer belt assy.
                  If the optics are dirty, dust or filming on the mirrors, then when the MFP does a white reference reading when turned on or when coming out of sleep it will shift the entire grey scale to the light side. Turn the machine off, remove the platen glass and properly clean the optics. When the machine is turned back on the the white reference will no long appear darker than it should and the grey scale will go back to normal. 99% of the time when I have had light image complaints on color machines, that is all that needed to be done.

                    Comment

                    • copier tech
                      Field Supervisor

                      5,000+ Posts
                      • Jan 2014
                      • 8101
                      #6
                      Re: Ricoh MP C6003 mottled output

                      Originally posted by Oscar57
                      Hi,

                      Does anyone know if there is a toner transfer adjustment or quality adjustment on the Ricoh C6003? Replaced drums and developers but the screens and solids are not that great.
                      The Ricoh SP C 840 we service appears to have a very similar print engine and the quality off of that is great.

                      -Thanks
                      Can you post a sample of the issue issue ? it it on ALL colours?

                      Could be damp/poor quality paper especially if the 2nd side is better than the 1st.

                      Did you fit new PCU & Dev units!?
                      Let us eat, drink, and be merry, because tomorrow we may die!

                      For all your firmware & service manual needs please visit us at:

                      www.copierfirmware.co.uk - www.printerfirmware.co.uk
                      ​

                        Comment

                        • emiliorsg
                          Trusted Tech

                          100+ Posts
                          • Jul 2018
                          • 141
                          #7
                          Re: Ricoh MP C6003 mottled output

                          I could have a problem with the PTR unit if it is in all colors. Many times by changing the roller the image recovers a lot of quality.

                            Comment

                            • GIUBOSS
                              Service Manager

                              Site Contributor
                              1,000+ Posts
                              • Jul 2013
                              • 1382
                              #8
                              Re: Ricoh MP C6003 mottled output

                              Originally posted by Oscar57
                              I did already clean the ID sensors. It seems like it needs more transfer voltage but I don't know if that's adjustable.
                              I guess the next thing is to change the transfer belt assy.
                              Don't underestimate the laser unit, I found some toner on top of it for old pcdu units, and it wasn't enough to insert the cleaning stick!

                                Comment

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