AMT Datasouth Fastmark 4000 - Manual (Page 74)

User's Guide 73
Cleaning the Platen roller
Using cotton swab moistened with alcohol, clean the roller.
Note:
The roller should be cleaned whenever it has been in contact with foreign
materials such as dust or adhesives.
Cleaning the media compartment
Clean the media compartment with cotton, which has been moistened with mild detergent.
Every time a media roll is printed this compartment should be cleaned to reduce the
incidence dust.