This is a fairly common print method and it probably has a name. How this is achieved is useful but it's name is more relevant.
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In old newspaper printing systems it was line raster autotypia.
In Photoshop you can use the halftone screen function:
convert your image to greyscale
goto Image > Mode > Bitmap
select Halftone Screen, keep the original pixels/inch
select line pattern, line angle =45 degrees, only a few lines/inch
An example (= a gradient and random lines)