CITIZEN CT-S310II - Manual (Page 30)

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A dirty print head or platen may reduce printing quality or cause malfunctions.
We recommend cleaning the printer periodically (every 2 to 3 months) as shown
below.
1. Turn off the power.
2. Pull the cover open lever forward and open the paper cover.
3. Wait a few minutes until the print head cools.
4. Use a cotton swab dampened with ethyl alcohol to wipe off any dirt and dust that is
on the print head and platen.
4. MAINTENANCE AND TROUBLESHOOTING
4.1 Periodic Cleaning
CAUTION
„ The print head is hot immediately after printing. Do not touch it.
„ Do not touch the print head with bare hands or metal objects.
Platen
Print head