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4-8
4.3.2 Adhesive-Backed Labels
The basic rule for printing on adhesive labels is that the adhesive must never come
into contact with any part of the printer. Adhesive paper sticking to the drum or
rollers will damage the printer.
Label paper must be manually fed.
Label paper has a structure comprising of three layers, as shown in Table 4-4 on
page 4-8. The top sheet is printed on. The adhesive layer consists of pressure-
sensitive adhesives. The carrier sheet (also called the linear or backing sheet) holds
the labels until use. Due to the complexity of its composition, adhesive-backed label
paper is particularly likely to give trouble in printing.
Figure 4-1
Adhesive label paper must be entirely covered by its top sheet, with no spaces
between the individual labels. Labels with spaces in between are apt to peel off,
causing serious paper jam problems.
Some label paper is manufactured with an extra margin of top sheet around the
edge. Do not remove the extra top sheet from the carrier sheet until after printing is
finished.
Figure 4-2
Table 4-4 lists the specifications for adhesive label paper.
Item Specification
Weight of top sheet 44 to 74 g/m
2
(12 to 20 lb/ream)
Composite weight 104 to 151 g/m
2
(28 to 40 lb/ream)
Thickness of top sheet 0.086 to 0.107 mm (3.9 to 4.2 mils)
Composite thickness 0.115 to 0.145 mm (4.5 to 5.7 mils)
Moisture content 4 to 6% (composite)
Table 4-4
Top sheet (white bond paper)
Adhesive
Carrier sheet
Top
sheet
UnacceptableAcceptable
Carrier sheet