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QL 320 User’s Guide 31
Cleaning
CAUTION.- Use only the cleaning agents
indicated. Zebra Technologies Corporation will not be
responsible for damage caused by any other cleaning
materials used on this printer.
Never use any sharp objects on the printer mechanism
as it could damage the print head. Use only the
cleaning pen supplied with the printer or a cotton swab
saturated with alcohol for cleaning the printer.
Printhead
(Figure 16)
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).
If print quality has not improved after
performing this procedure, try cleaning
the printhead with a Cleaning Pad.
This specially prepared material
removes contamination buildup without
damaging the printhead. Refer to
Appendix C for more information.
Platen Roller
(Figure 16)
Rotate the platen roller and clean it
thoroughly with the cleaning pen or
70% isopropyl alcohol and a cotton
swab.
Units with linerless platens: No
cleaning is necessary.
Do not use
alcohol on linerless platens!
Peel bar
(Figure 16)
Clean thoroughly with the cleaning pen
or 70% isopropyl alcohol and a cotton
swab.
Tear bar
(Figure 16)
Clean thoroughly with the cleaning pen
or 70% isopropyl alcohol and a cotton
swab.
Exterior
Water-dampened cloth
Area Method Interval
Interior
(Figure 16)
As needed
Brush/air blow. Insure the Bar
Sensor, Gap Sensor and Label
Present Sensor windows are free of
dust.
After every five
rolls of media (or
more often, if
needed)
Linerless media
requires more
frequent
cleaning.