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36 PB42 Portable Receipt Printer User’s Guide
Cleaning the PB42
Printer Part Cleaning Method Cleaning Interval
Printhead Use 70% isopropyl alcohol
on a cotton swab to clean the
print elements from end to
end.
After every five rolls
of media or more
often if necessary.
Platen roller Rotate the platen roller and
clean it thoroughly with 70%
isopropyl alcohol on a cotton
swab.
After every five rolls
of media or more
often if necessary.
Paper sensor Clean thoroughly with 70%
isopropyl alcohol and a
cotton swab.
After every five rolls
of media or more
often if necessary.
Tear bar Clean thoroughly with 70%
isopropyl alcohol and a
cotton swab.
As needed.
Exterior Clean with a water-
dampened cloth.
As needed.
Interior Brush or air blow. Make sure
the paper sensor is free of
dust.
After every five rolls
of media or more
often if necessary.