[Kornit 931DS] Super Weird Data/Encoder Issue on Kornit - T-Shirt Forums
 

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[Kornit 931DS] Super Weird Data/Encoder Issue on Kornit

 
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Old May 24th, 2014 May 24, 2014 7:29:30 AM -   #1 (permalink)
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Default Super Weird Data/Encoder Issue on Kornit

Hello All,

Hoping someone will have a solution for me. Have a 931DS and it is doing something very strange see picture attached.

photo.JPG

Each head is confused where it is at and isn't firing the nozzles at the right time.

We've replaced the encoder cable on the X, W, Y, Z. We have new serial cables from the COM Ports, We have a net CAT5 cable to the data card. We've checked all the dongles and the cables on the print heads. The encoder strips are clean.

We're stumped and really so is Kornit and now we at the point of just replacing parts (like $35000 head board) one at a time until we find a solution.

Anybody else had this issue before?

Thanks

Christopher
 
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Old May 26th, 2014 May 26, 2014 7:09:29 PM -   #2 (permalink)
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Default Re: Super Weird Data/Encoder Issue on Kornit

I had the same problem on my 932.
Check the connector on the top of the printheads.
Check the data cable connected to the computer. It looks like internet cable line.
Check the connector on the electronic board box (in the machine, not at the back of the machine). Take a look at the attached photo. It's 932's photo, not 931. Maybe the connector loose.
The above is the causes mostly.

Check the x-axis encoder stripe, is it clean or wear out? I changed the encoder stripe, but I am not sure this is the true cause or not.

Hope this helps.
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Old May 27th, 2014 May 27, 2014 4:05:02 AM -   #3 (permalink)
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Default Re: Super Weird Data/Encoder Issue on Kornit

I don't have a 931, I have a Breeze but from the photo it looks like what happens when my encoder strip goes bad. They do where out and the smallest of small scratches can mess everything up. You said it's clean but I say try replacing it. At the very least its a cheap part.
 
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Old April 25th, 2019 Apr 25, 2019 1:47:13 AM -   #4 (permalink)
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Default Re: Super Weird Data/Encoder Issue on Kornit

Quote:
Originally Posted by Ghoster32111
I don't have a 931, I have a Breeze but from the photo it looks like what happens when my encoder strip goes bad. They do where out and the smallest of small scratches can mess everything up. You said it's clean but I say try replacing it. At the very least its a cheap part.
What is cheap for you?

In europe it is 1000 eur for encoder strip!
 
Old April 25th, 2019 Apr 25, 2019 6:26:33 AM -   #5 (permalink)
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Default Re: Super Weird Data/Encoder Issue on Kornit

Quote:
Originally Posted by ben336
What is cheap for you?

In europe it is 1000 eur for encoder strip!
They have made improvements since that post 5 years ago, now the encoders are encased in glass, the retrofit for my breeze at the time was $950 not sure what the price maybe now.
 
Old 4 Weeks Ago May 20, 2019 11:55:18 AM -   #6 (permalink)
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Default Re: Super Weird Data/Encoder Issue on Kornit

it could be just a glitch. Ours will do the same thing and a standard reboot of the computer will fix. If its just one color and it won't go away after a reboot it is either a cable or a dongle.
 






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