AMT Datasouth Fastmark M7 Series User Manual page 72

Brush or vacuum As needed
Interior
Note:
Do not touch printer head by hand. If you touch it careless, please use ethanol to
clean it.
Please use 100% Ethanol. DO NOT use medical alcohol, which may damage the
printer head.
Regularly clean the print head and supply sensors once change a new ribbon to keep
printer performance and extend printer life.
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