Bizhub is a line of digital copiers and multifunctional printers that are widely used in offices and other business settings. One of the key features of Bizhub is the ability to resize or zoom documents that are being copied or printed. This can be particularly useful when you need to copy or print materials in different sizes， such as posters or flyers.

To use the zoom feature on a Bizhub copier， you will need to follow these steps:

1. Place the original document on the glass or in the document feeder of the copier.

2. Press the "Zoom" button on the control panel of the copier. This will bring up a menu of options for zooming the document.

3. Use the arrow keys on the control panel to select the desired zoom level. You can choose a preset zoom level， such as 50% or 200%， or you can enter a custom zoom level using the numeric keypad.

4. Press the "Start" button to begin copying or printing the document at the selected zoom level.

It is important to note that when you zoom a document on a Bizhub copier， the quality of the image may be affected. This is because the copier is essentially stretching or compressing the original image to fit the new size. To minimize any loss of quality， it is recommended that you use the highest resolution settings possible when scanning the original document， and that you select a zoom level that is within a reasonable range (such as 50% to 200%).

Overall， the zoom feature on a Bizhub copier can be a valuable tool for resizing documents quickly and easily. By following these simple steps， you can enjoy greater flexibility in your printing and copying workflows.