GRAPHTEC CUTTING PRO FC2250 Series User Manual page 24

Chapter 2 CUTTER BLADES, CUTTER PENS AND PENS
Color of the blade length adjustment knob: Silver
PHP34-CB30-HS cutter pen for3.0 mm diameter blades fitted with a spring
Plunger
Cutter blade
Spring
Plunger cap
2-6
(1) Turn the blade length adjustment knob to retract the cutter blade inside the plunger.
(2) Remove the plunger by turning the plunger cap in the counterclockwise direction.
(3) Remove the cutter blade from the plunger.
(4) Insert the replacement cutter blade with its spring attached inside the hole in the plunger
cap.
(5) Attach the plunger to the plunger cap with the cutter blade inserted into it by lowering the
plunger onto the plunger cap.
Be careful not to stab your finger when handling the cutter blade.