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ST/SV-3210 and ST/SV-3306 31
4.4 Maintenance
Routine maintenance will ensure the optimum performance of the printer.
The following table outlines the recommended cleaning intervals, while
the items listed below will help do the job safely and effectively:
• Isopropyl alcohol • Soft-bristle brush
• Cotton swabs • Soapy water/mild detergent
• A clean, lint-free cloth • Compressed air
CAUTION
For your continued safety and to avoid damage to the unit,
always turn ‘Off’ and unplug the printer before servicing.
Isopropyl alcohol is a flammable liquid, always take the
proper precautions when using this solvent.
Recommended Cleaning Schedule
Area Method Interval
Printhead A cotton swab dampened with isopropyl alcohol,
wiped across the printhead until all build-up is
removed. See Section 4.4.1.
After each
roll or box
of tickets.
Platen
Roller
A cotton swab dampened with isopropyl alcohol
wiped across the platen roller. Rotate the roller by
hand and repeat to clean entire surface. See
Section 4.4.2.
After each
roll or box
of tickets.
TOF Sensor A brush or compressed air (and isopropyl alcohol,
if necessary) to remove all dust build-up. See
Section 4.4.3.
Monthly
or as
needed.
Ticket Detect
Sensor
Compressed air to remove all dust build-up. See
Section 4.4.4.
As needed.
Ticket Path A brush or compressed air to remove all build-up
along the paper path.
As needed.
Interior
(ST Models
only)
A brush or compressed air to remove all build-up
in the ticket compartment. See Section 4.4.5.
As needed.
Exterior A soft cloth dampened with a mild detergent to
remove all build-up. See Section 4.4.6.
As needed.
Cutter
(optional
equipment)
A brush or compressed air to remove all build-up. As needed.