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You can use this guide to unjam a Uni Jetstream 4-in-1 Mechanical Pencil.
If your mechanical pencil is jammed, you won't be able to use it. Many mechanical pencils get thrown away and aren't properly disposed of. By learning how to replace your lead effectively, you can cut back on the plastic and lead waste that comes with buying a brand-new pencil.
Replacing the lead of a 4-1 device may be tricky, so make sure to work on a flat surface. Before you start, make sure you buy the correct replacement lead for your device. Otherwise, this process doesn't require any tools, you just need your hands.
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Unscrew the cover of the pencil by holding one end and twisting the other end counter clockwise.
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Place the cover upright and out of the way to avoid it rolling away. Placing your finger on the pencil clip, push it until the pencil portion of the writing tool sticks out.
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While holding the base of the silver cylinder, remove the top of the pencil portion.
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By holding firmly on the golden ridges for grip, unscrew the top.
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On a flat surface, place the rod upright and use the ridges as a grip. Tightly pinching the rod, push down on the table and push down the barrel.
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Lightly tap the rod on the table so that any remaining led fragments are removed.
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In order to avoid the rod rolling away, place the rod upright and out of the way. In the same silver cylinder, add your replacement led in the opening.
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Screw back the rod by firmly pressing the rod into the barrel.
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Reset the pen by pushing on any of the pen colors.
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Screw the cover back onto the body by holding one end and turning the other clockwise until you feel resistance.
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