GRAPHTEC F-Mark - Open a File for Cutting

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5. How to replace the Pump
Prepare the following tools before work.
1: 7 mm wrench for M4 nut.
2: 3 mm allen wrench for hexagon socket head cap screw.
1. Remove the AC power cord from the F-Mark.
And open the both sides covers from the F-Mark2 (referring the “3. How to open the side
cover”.).