C220 DF-617 Auto Original Stop Position Adj. error "unable" for Main scanning 1 & 2

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  • Choclit007
    Technician

    50+ Posts
    • Oct 2010
    • 58
    #1

    [Misc] C220 DF-617 Auto Original Stop Position Adj. error "unable" for Main scanning 1 & 2

    I am preparing a used C220 with 158K copies for resale & am going thru adjustments to ensure everything is ok.
    Copies off the Glass are properly aligned but thru the doc feeder the image shifts up about 6mm.
    The centering screws on the document guide are in the middle.

    When I try the Auto Original Stop Position Adjustments (with the A4 alignment chart!) the Sub-scan 1 & 2 sides give me OK results but the Main scan adjustments both indicate 'unable'.

    I checked the other available adjustments for the ADF with no better results afterwards.

    If I open the side guides up and slide the chart off center to the front a few mm's then I can get an OK response but that doesn't resolve the issue - seems to confirm that some kind of centering value is shifted however I cannot find any centering adjustment other than the doc guide plate & it doesn't move far enough.

    Any ideas?
    Tags: centering, df-617, off center, shift
    • Choclit007
      Technician

      50+ Posts
      • Oct 2010
      • 58
      #2
      Re: C220 DF-617 Auto Original Stop Position Adj. error "unable" for Main scanning 1 &

      (Update) OK so I went back to the manual and found this:

      ADF Original stop position - to manually adjust ..... when the result is UNABLE...

      Result - no go. I entered all values from 4.4 thru -4.4 in 0.4 increments and always 'unable' was the result.
      Copies are offset 3mm at the -4.4 value to 12mm at 4.4.
      There isn't enough range to correct the deviation.

      BTW I did update to G00-D2 firmware before I started adjustments.

        Comment

        • blackcat4866
          Master Of The Obvious

          Site Contributor
          10,000+ Posts
          • Jul 2007
          • 22999
          #3
          Re: C220 DF-617 Auto Original Stop Position Adj. error "unable" for Main scanning 1 &

          Check the centering adjustment in the paper trays.

          I know this is counter-intuitive, but think of it this way:
          Let's say that the guides in the paper trays are mechanically adjusted all the way to the front, and the print centering compensates back to center the image. Now the document feeder may not have as much centering adjustment, so the lowest possible value is not low enough.

          So I'm recommending that you center out the mechanical adjustments in the paper trays, then re-adjust the print image back to center. Now try the document processor adjustment. I'm thinking you'll be a lot closer. =^..^=
          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

            • Zeldaman
              Senior Tech

              500+ Posts
              • Mar 2011
              • 946
              #4
              Re: C220 DF-617 Auto Original Stop Position Adj. error "unable" for Main scanning 1 &

              Hi there!
              Check the width-sensor-assy. Had 2 times the problem, one time the sensor-assy was gone, the other case the teeth were not in the correct position. Hope this will help.
              Greetings...

                Comment

                • occus
                  Trusted Tech

                  250+ Posts
                  • Jul 2013
                  • 332
                  #5
                  Re: C220 DF-617 Auto Original Stop Position Adj. error "unable" for Main scanning 1 &

                  Try to make the centering adjustments step by step in the correct order!

                  Start Word and make a print with a frame 10mm, print this simplex and duplex from every paper source

                  1. Print adjustments
                  2. Scan adjustments (original glass)
                  3. ADF adjustments

                  Forget the automatic stop setting... i never use this function, always manual.

                  After this procedure, your machine prints and makes copies very exactly.

                    Comment

                    • emujo
                      Field Supervisor

                      2,500+ Posts
                      • Jun 2009
                      • 3009
                      #6
                      Re: C220 DF-617 Auto Original Stop Position Adj. error "unable" for Main scanning 1 &

                      May be a stupid point, but when you run that chart, it has to be face up or face down depending on the test. Emujo
                      If you don't see your question answered in the forum, please don't think it's OK to PM me for a personal reply...I do not give out firmware and/or manuals.

                        Comment

                        • Choclit007
                          Technician

                          50+ Posts
                          • Oct 2010
                          • 58
                          #7
                          Re: C220 DF-617 Auto Original Stop Position Adj. error "unable" for Main scanning 1 &

                          Thanks for the responses. The issue is now solved - it was the guides & a jumped gear.
                          All adjustments are now completed successfully & no more offset.
                          Thanks again.

                            Comment

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