OKIDATA PT330 Disassembly Instructions Manual Download Page 6

11.

 

Remove the printing assembly.  Slide the mechanism toward you and up.  You 
will still have one ribbon cable attached.  It is easier to remove with the assembly 
mostly detached. 

 

 
 
12.

 

The main board is now exposed.  You can remove that by removing the 2 screws. 

 

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