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  1. #1
    Field Supervisor 500+ Posts
    What a damaged encoder strip looks like from a Designjet

    Kiran Otter's Avatar
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    What a damaged encoder strip looks like from a Designjet

    For those who haven't had this issue I thought I would share this, since I almost overlooked it myself. The damage to this encoder strip was so minor I almost didn't see it. Yet it was enough to cause paper jam messages on a HP Designjet 4500 (86.01 error.)

    Kiran

    IMG_1592.JPG
    IMG_1590.JPG

  2. #2
    Field Supervisor 500+ Posts
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    Re: What a damaged encoder strip looks like from a Designjet

    Thanks Kiran! Such minor damage such as that is easily overlooked. Even smudges/finger oils can confuse a unit that uses encoder strips to detect location. I recently had a run-in with one of those DVD burner autoloaders that prints directly onto the disc once it's burnt. Looked at the encoder strip without a flashlight, you would think everything is fine. Once you get a light on the strip though, you can instantly see issues. Fingerprints and ink spray. Little piece of water dampened cloth and it started working great again!

  3. #3
    Field Supervisor 500+ Posts
    What a damaged encoder strip looks like from a Designjet

    Kiran Otter's Avatar
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    Re: What a damaged encoder strip looks like from a Designjet

    Here's another from a T1700. Couldn't figure out what would leave a pattern like that but it sure made the printer unhappy. It would continue to print but make this awful clunk when the carriage would skip at that point.

    bad encoder strip.jpg

    Kiran

  4. #4
    Master Of The Obvious 10,000+ Posts
    What a damaged encoder strip looks like from a Designjet

    blackcat4866's Avatar
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    Re: What a damaged encoder strip looks like from a Designjet

    iPF encoder strip.JPG

    This is from a Canon iPF710. I had some difficulty getting an image ... can you see the missing marks? It's a camera view through an Eisenbach 20x magnifier.

    HPDJ500 encoder strip.JPG

    This is a HP Designjet 500 encoder strip that did not come clean, without losing some of the silk-screened lines.
    =^..^=
    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 =^..^=

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