Swingline Electric Stapler, 20 Sheet Capacity, Optima 20, Silver (48208) Efficent and quiet, this electric stapler features a user control switch that allows users to choose either automatic or manual (activate the motor with your touch) stapling Staples up to 20 sheets at once when used with Optima Premium Staples QuickLoad allows the front staple magazine to eject quickly and easily with the press of a button; Plus, low staple indicator alerts you when staples are running out On-board, detachable staple remover included for extra convenience Offers flexible plug-in or battery operated automatic stapling; AC adapter is included; 6 AA batteries not included, sold separately; Not compatible with rechargeable batteries The staples holder must be pulled out manually, it will not slide out on its own if you tilt the stapler downward. The staple slots locked in place, but have to be fully pushed in until it clicks. For the Automatic Mode, the paper must be pushed all the way back, it is activated by a mechanical trigger. Jamming will only occur if the paper is pulled out too fast or if the battery voltage is low.