English: (1) Color copy of non-photo blue pencil. (2) Color copy of blue pen. (3) Grayscale copy of non-photo blue pencil. (4) Grayscale copy of blue pen. Note that I pressed very hard with the non-photo blue pencil. Non-photo blue is sometimes called non-repro blue.
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{{Information |Description={{en|1=(1) Color copy of non-photo bluepencil. (2) Color copy of bluepen. (3) Grayscale copy of non-photo blue pencil. (4) Grayscale copy of blue pen. Note that I pressed very hard with the non-photo blue p