Guidelines for Print Medium Quality Inspection
17
Splicing
Always make sure that no adhesive substance is left near the splice on either side of the web.
Apply an additional single-sided tape over the exposed edge if you are making a splice between two
different print media, as shown in the table below. This will minimize jams and broken splices.
Roll inspection
1. Check whether the roll is guaranteed splice free. (A)
a. If there is a factory splice. Stop printing as soon as the splice lies within a few millimeters of the
outer windings.
b. Cut the paper at the splice table and unwind the roll until you can remove the factory splice.
c. Then splice the paper together again using the standard splicing procedure.
2. Check whether the paper is wound around the core tightly to prevent the web from shifting left/
right. (B)
a. If the paper is not tightly wound around the core a wood screw can be used as a “first-aid solu-
tion” to secure the paper to the core. See illustration above.
b. If this situation occurs, contact your paper supplier and report a quality issue.
3. Check for dust on roll sides and surface.
Note:
Do Not put the brake onto the roll before you have removed any dust.
a. Remove dust from the sides of the roll using either an adhesive rubber roller or a vacuum clean-
er. (C)
b. Remove dust from the roll surface by removing the first winding of paper. (D)
Print medium in paper supply
Print medium in engine
label stock
any medium
film
any medium
any medium
film
stiff material (250 g/m
2
paper)
any medium
15 cm
6 in
C
D
E
A
Wood
screw
B
Core
Paper
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