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‎02-25-2020 07:57 AM

HP Recommended
Product: Designjet Z9 W3Z72A
Operating System: 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?

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