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RW 420 User Guide
Printhead
(Figure 22)
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).
Platen Roller
(Figure 22)
Rotate the platen roller and
clean it thoroughly with the
cleaning pen or 70% isopropyl
alcohol and a cotton swab.
Tear bar
(Figure 22)
Clean thoroughly with the
cleaning pen or 70% isopropyl
alcohol and a cotton swab.
Exterior
Water-dampened cloth
Interior
(Figure 22)
Brush/air blow. Ensure the Bar
Sensor and Gap Sensor windows
are free of dust.
After every five rolls of
media (or more often, if
needed)
Area Method Interval
RW 420 Cleaning
Figure 22: Cleaning the RW 420
After every five rolls of
media (or more often, if
needed)
As needed
Tear Bar
Bar Sensor
Gap Sensor
Platen Surface
Printhead
Elements