How to Use an Electric Stapler | Correct Steps, Staples & Safety

Using an electric stapler means loading the right staples, pressing it flat, and firing; most corded models share the same basic workflow.

An electric stapler saves your hand from the squeeze of a manual model, but the steps matter more than the power source. Plug it in, load the correct staple strip, press the nose flat against your paper, and fire. Whether you own a desktop unit or a trigger-style staple gun, the core sequence stays the same. Get the staple type wrong or fire without firm contact, and you will jam the tool or ruin the staple line. Here is the workflow that works across the major brands.

Loading the Stapler Correctly

Before you do anything else, unplug the stapler or switch it off. Every major manual, including MAX USA’s for the EH-70F, insists the tool stays powered down during loading and jam clearing. Open the magazine or pusher lever, and insert the correct fastener strip with the staple points facing down toward the paper.

Close the magazine until it locks. A partially closed magazine is a common cause of misfires. The Rapid 105/106 manual stresses using only its specified staples (66/6 or 66/8); other brands list their own compatible sizes. Check your manual’s staple chart before buying refills—using the wrong size is the single most common failure.

Plug the unit back in after the magazine is fully closed and locked.

How to Fire It for Clean Staples

Place the paper flat against the work surface, then press the stapler’s nose down firmly so the paper sits snugly in the slot. This contact usually releases a safety mechanism on trigger-style models—the trigger will not fire if the nose is lifted. Pull the trigger or press the firing button.

Desktop automatic models like the MAX EH-70F fire when the nose presses down; trigger models need the trigger pulled. Hold firm pressure for a moment after firing so the staple clinches fully. Lifting too early gives you a half-formed staple.

On staple gun/nailer styles used for wood or material, test on scrap first. Bostitch’s guidance for electric staplers is to verify the staple penetrates cleanly before committing to your workpiece.

Fixing Jams and Common Mistakes

Jams happen, and the fix is identical across brands: unplug the tool first, then open the magazine and pull the jammed staple out with pliers if needed. Never clear a jam while the unit is plugged in.

Beyond jams, most electric stapler problems come down to a few avoidable errors:

• Wrong staples. The manual names the only sizes that fit. Using another brand’s strip can bend or jam.
• Overloading the magazine. Cramming in one extra strip past the limit prevents closure and causes misfeeds.
• Firing without a safety press. On models with a safety mechanism, the tool simply will not fire until the nose presses flat.
• Ignoring the indicator lamp. KW-TRIO’s electric flat-clinch stapler lights an indicator when the magazine is empty or nearly so; reload before you run dry.

A warm upper body during heavy use is normal on some models, per their manuals—but warmth plus a burning smell is a sign to stop and unplug.

For outdoor or heavier-duty stapling jobs where a battery-powered tool beats a cord, our tested roundup of the best battery-powered fence staplers covers the models that handle fencing and similar tasks.

Staple Types and Power Basics

Corded electric staplers run on standard North American household current. One major brand’s manual specifies 120 volt, 60 Hertz AC, and another lists 120 V~ / 60 Hz / 6A—the same power your wall outlet provides. You do not need a special circuit.

Staple sizing uses two numbers (such as 66/6): the first refers to the staple’s crown width and gauge, the second to leg length. A 66/8 staple is longer than a 66/6 and will pierce thicker stacks. Match the leg length to your paper thickness—too long and the staple pokes out the back, too short and it will not clinch.

Whatever model you own, the rule holds: keep it unplugged when loading, use only the specified staples, and never fire on empty or against an unpierceable surface.