User guide

53
QLn Series User Guide
QLn Series Cleaning
Area Method Interval
Printhead (Figure 34)
Use a Zebra 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).
When using Linerless
type media, cleaning is
required after every roll
of media.
Platen Roller (Figure 34)
Rotate the platen roller and clean it
thoroughly with the cleaning pen or
70% Isopropyl alcohol and a cotton
swab.
After every five rolls of
media (or more often if
needed).
Platen Roller (Figure 35)
Units with linerless platens: Rotate
platen & clean bearing points only.
Avoid use of alcohol on the surface of
linerless platens
After every roll of media.
Interior (Figure 35)
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 roll of media.
Interior (Figure 34) Brush/air blow. Ensure the Bar
Sensor, Gap Sensor and Label
Present Sensor windows are free
of dust.
As needed
Peel bar (Figure 34)
Clean thoroughly with a cleaning
pen or 70% Isopropyl alcohol and a
cotton swab.
Tear bar (Figure 34)
Exterior
Water-dampened cloth or 70%
Isopropyl alcohol wipe.