Conditions For Using Black Mark Paper - Oki LD670 Guía De Usuario

3-4-2. Conditions for using black mark paper

When using receipt paper or full-sheet label paper with black marks,
confirm that the following conditions are satisfied. The reflection factors at
locations A and B on the paper must be the combination of values specified
in the table below.
A: Black mark area
B: Margins above or below black marks
Note: The reflectivity values were measured using a Macbeth PCM II
density meter (Filter C).
Print area
(seen from the
back side of
paper)
Back side of paper
(back of the coloring side of paper)
Reflection factor
8%
75%
B
5.0 to 5.5 mm
0 to 1 mm
10 to 12 mm
19
A
Paper feed
direction