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4. Maintenance
4.1 Back-up battery
This device uses a manganese lithium battery as a back-up battery.
Please exchange to new one after using for 1~2 years.
This battery is located on the CPU PCA.
Please be careful about polarity when exchanging it.
4.2 Lubrication and Cleaning
(1) Lubrication
Lubricate a paper sending gear with 1-2 drops of lubricating oil at every 2-3 months.
(2) Cleaning
Clean the thermal head with attached cotton cleaner at every month.
When garbage has adhered to the thermal head, soak a little ethyl alcohol on cloth
and wipe it off. Don't use other than ethyl alcohol.
Summary of Contents for TF-711
Page 33: ...Base Cabinet Outside view ...