HP LQH-HW 3ULQWHUV User Manual download pdf (Page 277)

Terms And Definitions

277

Test the paper first if you plan to use it in environments with humidity of less

than 20% or greater than 80%. Also test paper that you plan to use at high

humidity to ensure satisfactory feeding and handling, and test paper to be

used at low humidity to determine if static buildup must be eliminated for

proper paper stacking.

Paper Guidelines

The terms below describe continuous form paper.

Terms And Definitions

Chaff Residual bits of paper not completely removed after the

punch process that creates tractor pin holes, major and

minor perforations, etc.

Cut Point The area along a perforation where a cut has been made

that extends through the entire form.

Cut-to-Tie Ratio The ratio of cut points to tie points occurring along a

perforation.

Evenness The amount of variation between the thickest and thinnest

points measured across the print area (i.e., between the

side perforations).

Form Thickness Thickness measured at the thickest point of the entire form.

This includes glue lines, compressed staples, perforations,

etc., and is not limited to the printed region of the form.

Margin The region outside the print area of the form. The margin is

typically bounded by the outermost vertical perforations

(i.e., where the tractor holes are located) and the edge of

the form.

Print Area The region where printing occurs, and which is always

between the side perforations.

Print Station The area in the printer where the actual impacts of printing

occur.

Staple A punch-cut fastening stitch located along the vertical edge

and within the side perforation region of a multipart form.

(Note that this is

not

a metal staple.)

Tenting The measured thickness between the print area of the form

and the peak thickness of a major perforation. Tenting is

typically caused by overly stiff perforations or incorrect

registration of the inner parts of multipart forms.

Tie Point The area along a perforation between the cut points (see

above).

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HP LQH-HW 3ULQWHUV User Manual Page 277