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QL Plus Series User Guide
Area
Method Interval
Printhead (Figure 24)
Use the supplied cleaning pen or
70% isopropyl alcohol on a cotton
swab to clean the print elements
from end to end (the print elements
are located in the thin gray line on
the printhead).
After every five rolls of
media (or more often, if
needed),
Linerless media requires
more frequent cleaning
Platen Roller (Figure 24)
Rotate the platen roller and clean it
thoroughly with the cleaning pen or
70% isopropyl alcohol and a cotton
swab.
Units with linerless platens: Rotate
platen & clean bearing points only.
Avoid use of alcohol on the surface
of linerless platens
Peel bar (Figure 24)
Clean thoroughly with the cleaning
pen or 70% isopropyl alcohol and a
cotton swab.
As needed
Scraper, Linerless units
only (Figure 24))
After every five rolls of
media (or more often, if
needed)
Tear bar (Figure 24)
As needed
Exterior Water-dampened cloth
Interior (Figure 24)
Brush/airblow.EnsuretheBar
Sensor, Gap Sensor and Label
Present Sensor windows are free
of dust.
Units with linerless platens: Clean
inside surfaces of edge guides &
media rollers with the supplied
cleaning pen or 70% isopropyl
alcohol on a cotton swab.
After every five rolls of
media (or more often, if
needed)
Media Rollers
(Figure 24)
Clean thoroughly with the cleaning
pen or 70% isopropyl alcohol and a
cotton swab.
Units with linerless platens: Rotate
media rollers & clean bearing points
only. Avoid use of alcohol on the
surface of the media rollers!
QL 420 Plus Cleaning