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Discussion in 'Mutoh' started by hockey72000, Nov 8, 2013.

  1. hockey72000

    hockey72000 New Member

    Nov 8, 2013
    Hi, have joined this forum for some help with my printer. I have had the head changed on my printer recently and then flexi sign 8 died and had problems reinstalling it. Now I have flexi up and running, I did a test print on 760mm vinyl in the middle of the machine. The results were amazing so put in the 1370mm banner in for a job. That banner printed with a 4 colour streak, 1 on the left and 1 on the right. Almost like a rainbow. I have tried different files, different medias and different profiles but with no joy.
    Has anyone else seen or no about this issue? Any help would be much appreciated. Have tried to upload a picture!

    Attached Files:

  2. heyskull

    heyskull Very Active Member

    Sep 2, 2007
    I would guess a dirty encoder strip.
    I cleaned the strip on our 1604 and it sems to be running OK again.
    Clean gently with isopropyl alcohol and a lint free cloth.


    LEGEND Member

    Usually this fixes it for me too when we have funky lines on our prints.
  4. hockey72000

    hockey72000 New Member

    Nov 8, 2013
    Thank you both for your replies. I have cleaned the clear disc on the very left hand side of the printer carefully but this has not solved the problem? Is there anything else you think I should try? Is this the encoder strip. Sorry but my colleague who normally would deal with the maintenance has gone away for 8 weeks so its down to me. Thanks again for your help.
  5. GAC05

    GAC05 Major Contributor

    Dec 27, 2005
    Guam USA
    The one you cleaned is the PF Motor encoder disk. This effects the material feed rate under the head.
    The CR encoder strip is the clear looking plastic strip that sits behind the head carriage running horizontally the length of the print area. This effects the tracking of the head. It is the one that causes the most issues as it is exposed to the ink overspray.
    I can send you the service manual for the 1604 if you do not have one - need an email address. It has the info you need to clean and maintain the printer.

    wayne k
    guam usa
  6. hockey72000

    hockey72000 New Member

    Nov 8, 2013
    Hi GAC05. That would be excellent if you could. Will PM you my email.

    I cleaned the disc on far left as stated, the metal strip that run the length of the carriage and the smaller clear strip just above. The problem area seems to be in the same place each time no matter what the artwork.
    Here is the latest image of the colour bands running vertically.

    Really appreciate every ones help

    Attached Files:

  7. PhatWall

    PhatWall Member

    Dec 11, 2009
    could be an issue with your media
  8. timson_ads

    timson_ads ADDTOP

    May 30, 2009
    manila philippines
    you mention that you change your head before try to fix the cables firmly to the slot of your head and even in the headboard including all 3 long cables that goes thru the mainboard

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