Epson Artisan 835 - What are causing these microscopic line streaks?

rajhlinux

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I did another print with my new T2100 - with 600dpi - and promised by Epson to print fine drawings etc .

This is the first print cropped - with a glossy pigment ink on a glossy paper - with the B/W settings in the driver, but no other attempt to optimize the print - paper coatings react differently and show a varying amount of ink spread as I have seen at various times.

View attachment 16530
Various attempts have been made but w/o success so far to recreate these spikes. I still think that there could be some interference of the graphics data as it moves from a PDF file , gets converted from a vector graphics to pixel graphics file with a particular dpi, the printer driver needs to interpolate those pixels to match the printer print resolution - 600 dpi for Canon - and to match the required print size - that's several conversions in a row. I would give another PDF reader a chance to test which allows you to specify the dpi for the output/pixel file generation.

Thanks for the reply.

I will try your recommendation and will use a different PDF reader application, hopefully adobe acrobat allows me to specify the print DPI resolution.
 

Ink stained Fingers

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I'm not sure to understand what you expect from a 'professional' printer in this case - I don't think the spikes are an issue with the printhead, it's a combination of the ink type - dye or pigment - or high density dye - and the surface of the paper - the coating - or film, and the forum members here have tried to print your layout in various ways. Epson photo printers typically run with a droplet size of 1.5 pl, but my T2100 just prints with 4 pl min - I don't think you can see that in the printout.
But it's the best that you try all discussed options since we are not getting these spikes - I'm curious what you'll find out .
 
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Ink stained Fingers

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I did another test with a WF-2010W, an entry level 4 color Epson printer running with pigment inks and 3.5pl droplets.
The print looks the same as with the T2100 - no spikes and rather clean edges with the pigment black.
 
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