Chapter 7

Instrument specifications

Barcode element dimensions
Narrow element ≥ 190 μm
Wide element ≤ 1.2 mm
Narrow element ≤ Gap between characters ≤ Wide element

Narrow/Wide ratio
Internal requirements pertaining to a single character are as follows:
Narrow (MAX):
Wide (MIN)
= 1:2.2 or more
Narrow (MIN):
Narrow (MAX)
= 1:1.3 or less
Wide (MIN):
Wide (MAX)
= 1:1.4 or less

PCS value (Print Contrast Signal)
PCS =

Reflectance of white - Reflectance of black
Reflectance of white

The measurement method is compliant with JIS × 0501 5.3 Optical Characteristics of Barcode Symbols
Specification: PCS value ≥ 0.45

Barcode label print quality
Use barcode labels of Label Grade "C" or higher as defined in the ANSI standards.
Laminated labels may not be readable.

Uneven printing
MAX
MIN

Bar

One bar of a barcode appears as shown on the left
when viewed under a microscope.
Expressing the irregularity in the width of one bar as
shown below, it is necessary that S ≤ 20 %.
S=

MAX - MIN
MAX

× 100 %

43/312
XF-1600 Instructions for Use