Many people are selling and giving away (to family members) their first generation iPads after purchasing the iPad 2. In this case you may want to erase the all data on it and set it up as a new device.
There are two ways to erase all the data on your iPad.
Restore and set up as new in iTunes
Erase all content and settings from the iPad
If you don’t have access to iTunes, you can completely erase your all your data from the iPad.
On most iPads, this process takes less than a minute but could take longer depending on the storage capacity of your device and the amount of content. Make sure you battery is not low or connect the power before you begin.