中文：

富德3100打印机是一款高效、耐用的打印机，它具有许多实用的功能。在富德3100打印机旁边，有两个按键，它们的作用是用来控制打印机的。

第一个按键是“取消/重置”键。这个键的作用是取消当前的打印任务或者重置打印机的状态。如果你想停止正在进行的打印任务，只需要按下这个键即可。如果你在打印过程中遇到问题，例如卡纸或者打印机无响应，那么可以按下这个键来重置打印机的状态，让打印机重新恢复正常工作。

第二个按键是“墨水量键”。这个键的作用是用来查看当前墨水量的情况。在富德3100打印机中，墨盒是内置的，但是我们需要知道墨水量的情况以便及时更换墨盒。按下这个键后，打印机会显示墨盒中剩余的墨水量，这样我们就可以随时了解墨盒的情况并及时更换墨盒，避免因为缺墨而影响打印效果。

总的来说，富德3100旁边的这两个按键是非常实用的功能，它们可以帮助我们更好地控制打印机并保证打印任务的顺利进行。

英文：

The Fude 3100 printer is an efficient and durable printer with many practical functions. Next to the Fude 3100 printer, there are two buttons which are used to control the printer.

The first button is the "Cancel/Reset" button. Its function is to cancel the current print task or reset the printer's status. If you want to stop the ongoing print task, you can simply press this button. If you encounter problems during printing, such as paper jams or printer non-response, you can press this button to reset the printer's status and restore it to normal operation.

The second button is the "ink level button". Its function is to view the current ink level situation. In the Fude 3100 printer, the ink cartridge is built-in, but we need to know the ink level situation to replace the ink cartridge timely. After pressing this button, the printer will display the remaining ink level in the ink cartridge, so we can keep informed of the ink cartridge's status and replace it timely, avoiding affecting the printing effect due to lack of ink.

Overall, these two buttons next to the Fude 3100 printer are very useful functions. They can help us better control the printer and ensure the smooth progress of print tasks.