Print Quality compare between C351 & C352

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  • brianho80
    Trusted Tech
    100+ Posts
    • Sep 2009
    • 198
    #1

    Print Quality compare between C351 & C352

    Hi Guys,

    have you ever compare print quality between C351 and C352?

    if happen to me at my customer who using both machines side to side. they found that C351 print out has more contrast and dark density where C352 cannot print out same quality as C351.

    on C352, i try run Stabilizer ; run color gradation and check color registration.
    Also, i try to change [background voltage]; [D Max Density]; [TCR supply] with max +/- value but result remain the same.

    Next steps, i am thinking to change all IU to test. anyone has any ideas?

    C352 sample1.jpgC351 sample1.jpgC352 sample2.jpgC351 sample2.jpg
    Tags: 220, c351, c352, change, color, customer, print, quality, side, test
    • Copier Addict
      Aging Tech

      Site Contributor
      10,000+ Posts
      • Jul 2013
      • 14520
      #2
      Re: Print Quality compare between C351 & C352

      What is the age if the consumables? IUs, transfer belt, transfer roller. Have you cleaned the printheads? Cleaned the charge grids?

        Comment

        • blackcat4866
          Master Of The Obvious

          Site Contributor
          10,000+ Posts
          • Jul 2007
          • 22999
          #3
          Re: Print Quality compare between C351 & C352

          Originally posted by copier addict
          What is the age if the consumables? IUs, transfer belt, transfer roller. Have you cleaned the printheads? Cleaned the charge grids?
          Yeah, that was my question. Just because counters are clear does not mean imaging units are new. Many dealers use replacement chips. =^..^=
          If you'd like a serious answer to your request:
          1) demonstrate that you've read the manual
          2) demonstrate that you made some attempt to fix it.
          3) if you're going to ask about jams include the jam code.
          4) if you're going to ask about an error code include the error code.
          5) You are the person onsite. Only you can make observations.

          blackcat: Master Of The Obvious =^..^=

            Comment

            • brianho80
              Trusted Tech
              100+ Posts
              • Sep 2009
              • 198
              #4
              Re: Print Quality compare between C351 & C352

              Originally posted by blackcat4866
              Yeah, that was my question. Just because counters are clear does not mean imaging units are new. Many dealers use replacement chips. =^..^=

              Yes, I agree with that too, machines were bought from dealer and we don't know the history of the machines.
              Well, I haven't tried clean up print head and charge grid.

              think of change transfer roller first, let see the result in the next visit.

              thanks a lot...

                Comment

                • EarthKmTech
                  Step aside, noob

                  1,000+ Posts
                  • May 2009
                  • 2139
                  #5
                  Re: Print Quality compare between C351 & C352

                  they're not even the same engine, they are never going to print the same as each other, period. Not to mention one is a laser printer and the other an LED.

                  I hope you did an initialize and gradation adjustment on the C351 as well, it actually looks like its printing too dark.

                    Comment

                    • wseyller
                      Service Manager

                      1,000+ Posts
                      • Sep 2012
                      • 1129
                      #6
                      Also the drivers could be much different.

                      Also if they want to get similar results between both units they probably need a print controller.

                      This of course is after the copier has been properly maintenanced and then doing initialize and gradation.

                      Sent from my Galaxy Nexus using Tapatalk 2

                        Comment

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