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How to replace control board of printer

How to replace control board of printer

  • November 26,2016.

1. Screw out these two screws


2. Open the battery cover, unscrew these two screws


3. Open the front cover, pull out the bottom flat cable



4. Screw out these two screws


5. Pull out the flat cable for cutter, and remove the cutter


6. Take out the control board and replace with new one


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