Plain English

Configures black-mark media mode and extra-feeding offset (TSPL2 PG §BLINE p8). Used instead of GAP for continuous media with black registration marks printed on the backing. `m` is the height of the black mark (0–1 inch, or 0–25.4 mm). `n` is extra label-feeding length after the mark (0 to label-length; `0,0` = continuous label). Two forms: bare numbers = inches; numbers followed by ` mm` (with a leading space) = millimetres. ⚠️ When changing the sensor type from "GAP" to "Black Mark", BLINE **must** be sent to the printer first — before SIZE / GAP / TEXT. Engine-recognised but no visible SVG effect today (the playground treats labels as already-isolated).

When to use

When the deployed media uses black-mark registration on the backing rather than die-cut gaps. Issue once at the top of the label script, before any geometry-dependent commands.

Syntax

BLINE m, n | BLINE m mm, n mm

Parameters

ParameterDescription
m
Black-mark height. Bare number = inches (0–1); followed by ` mm` (with leading space) = millimetres (0–25.4).
n
Extra label-feeding length after the black mark (0 to label-length; `0,0` means continuous label).

Example

BLINE 0.20, 0.50
SIZE 100 mm, 50 mm
CLS
TEXT 50,30,"3",0,1,1,"Black-mark stock"
PRINT 1

Configure black-mark media (0.20 inch mark, 0.50 inch extra feed) before defining label geometry

Try it in the playground View all TSPL commands