| 摘要 |
A copier or printer connecting with a standard commercial electrical power line source and having a limited peak power consumption can still provide an electrically powered sheet stapling system by driving the stapler from an electrical storage battery power supply, the batteries of which are electrically connecting with an integral low voltage electrical power supply of the reproduction apparatus only for low power slow recharging. The stapler is operable for stapling sheets, powered solely by the storage batteries, even when the copier or printer, including its integral low voltage electrical power supply, is completely turned off, i.e., fully disconnected from the power line source. This stapler can also be operated when the reproduction machine is fully operating at its peak power consumption, including the operation of other, internal, stapling, because this stapler's operation does not increase that peak power consumption. Preferably this stapler and its battery power supply is part of an easily unplugable modular unit removably mountable on top of the machine for convenience stapling. Additionally, the stapler may be automatically prevented from further attempted stapling and thus further battery discharge when there is insufficient remaining battery power for fully effective stapling.
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