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serge_dugal
Level 4
103 70 2 3
Message 1 of 7
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Designjet Z9 small horizental lines on very thick paper

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Designjet Z9 W3Z72A
macOS 10.15 Catalina

Hi. I am troubleshooting a Designjet Z9. Small horizontals lines on the printing. The use a very thick paper (more like cardboard), weight: 290 gr.

 

The customer was printing for 2 years with this kind of paper and never had any problem. They have this problem since a paper got jam when it cut the paper. I have clean under the carriage, the sides of the printheads, check the starwheel ruler, check the paper path. Everything look good, but still have this issue.

 

Any idea someone?

unnamed[2].jpg

 

6 REPLIES 6
serge_dugal
Author
Level 4
103 70 2 3
Message 2 of 7
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It look like the starwheel might be bend, but i am not sure.

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serge_dugal
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Level 4
103 70 2 3
Message 3 of 7
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Anyone have an idea about the cause of the problem?

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serge_dugal
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Level 4
103 70 2 3
Message 4 of 7
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Hi. My customer is able to print on the same type of paper, on a Canon plotter. Can the paper on a paper jam fold the starwheel?

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Ouccema
Level 4
Level 4
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Hi,

 

Are you using the correct paper profile when loading roll? if yes I suggest contacting our Support to get an advanced troubleshoot and resolution.

I am an HP Employee.
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serge_dugal
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Level 4
103 70 2 3
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Hi. Thanks for the reply. For this time, my customer have put an hold on it. We have tried different paper settings, but the issue still remain. I will contact HP if the customer want to continue with the repair of the plotter. Thanks.

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serge_dugal
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103 70 2 3
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I mention "Fold the starwheel" but the word i should have use is "bend the starwheel bar". They use a very thick paper and the issue happen after the paper jam with this very thick paper.

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