Canon Ir4570 solid line on copies

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  • tibbs
    Trusted Tech

    100+ Posts
    • Aug 2008
    • 223
    #1

    Canon Ir4570 solid line on copies

    Hi i have a canon Ir4570 with a solid black line when making copies from the document feeder. The white roller is cleaned and the slipscreen or small glass is cleaned, there is nothing i can see on the small glass or the white roller.

    Copies are ok when made from the platain.

    Have anyone come across this problem?

    Thanks
    Tags: black, canon, cloth, copies, document, feeder, glass, ir4570, line, roller
    • blackcat4866
      Master Of The Obvious

      Site Contributor
      10,000+ Posts
      • Jul 2007
      • 22929
      #2
      Re: Canon Ir4570 solid line on copies

      Most often, it's just a tiny spot of ink on the slit glass, that you didn't see. I know most manufacturers recommend cleaning the slit glass with a dry towel, but have you ever cleaned anything with a dry towel? Try using a little alcohol on a towel. It will loosen up ink that you cannot see.

      Sometimes dirt on mirror #1 can cause this same effect. I know it's illogical, but due to the angle of the mirrors a different area of the mirror is used OC (off the contact glass) than through the slit glass, so also clean the rest of the optics. =^..^=
      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

        • HELIO240
          Trusted Tech
          • Jan 2011
          • 137
          #3
          Re: Canon Ir4570 solid line on copies

          Originally posted by tibbs
          Hi i have a canon Ir4570 with a solid black line when making copies from the document feeder. The white roller is cleaned and the slipscreen or small glass is cleaned, there is nothing i can see on the small glass or the white roller.

          Copies are ok when made from the platain.

          Have anyone come across this problem?

          Thanks
          The defect occurs in print? When making copies the original glass is the defect? The risks only occur when using the DADF? if the answer the first two questions is not the answer the second question is yes then you should check the document glass or DADF one small glass, wipe with a soft cloth dampened with isopropyl alcohol.

            Comment

            • tibbs
              Trusted Tech

              100+ Posts
              • Aug 2008
              • 223
              #4
              Re: Canon Ir4570 solid line on copies

              I did all this, i took off the small glass and cleaned it with alcohol and i got the same result, solid line. Now remember this machine has no optics.

                Comment

                • blackcat4866
                  Master Of The Obvious

                  Site Contributor
                  10,000+ Posts
                  • Jul 2007
                  • 22929
                  #5
                  Re: Canon Ir4570 solid line on copies

                  It may have no mirrors, but there is a lens that can get dirty.

                  Sorry. It still comes back to the slit glass. =^..^=
                  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

                    • teckat
                      Field Supervisor

                      Site Contributor
                      10,000+ Posts
                      • Jan 2010
                      • 16083
                      #6
                      Re: Canon Ir4570 solid line on copies

                      Originally posted by tibbs
                      I did all this, i took off the small glass and cleaned it with alcohol and i got the same result, solid line. Now remember this machine has no optics.
                      In ADF mode: by original stream reading with contact image
                      sensor (CIS) fixed in position

                      The machine changes the original read point depending on the presence/absence of dust on the stream reading glass or the platen roller of the ADF, or it may execute image correction to prevent the dust from showing up in the output.
                      These operations are carried out only when the ADF is in use and, in addition, is closed:

                      ADF reading glass is an Optic
                      Copyboard Glass is an Optic
                      White Plate is an Optic
                      CIS is an Optic
                      BD sensor is an Optic
                      Dust-Proof Glass is an Optic
                      **Knowledge is time consuming, exhausting and costly for a trained Tech.**

                        Comment

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