As the gamma value is adjusted higher, the tone curve bends and the highlights of the image are expanded, lightening the highlights without overall lightening the image with white as seen with raising the brightness level. This way, the highlights and shadows in the image are maintained by saturating the pixels with lighter levels of the same color rather than just adding white.

Adjusting the gamma level is based on how you want the image to appear and there is no standard to adhere to.

Color image gamma examples

The examples below show the original image at the default setting of 1.8 gamma level, then 1.0 gamma and 2.6 gamma. Adjusting the gamma level does not make the image completely black nor completely white.

Gamma: 1.0

Gamma: 1.8

Gamma: 2.6

Technical note:

Most monitors have a gamma setting that is user adjustable. When viewing scanned images on-screen, versus printing the image, the gamma setting of the monitor may affect how light or dark the scanned image looks when compared to the original. If the scanned image is too different from the original image, or if adjusting the scanned gamma level does not modify the image how you want, try adjusting the monitor's gamma level. Refer to the monitor's user guide for adjusting the gamma level and see if the manufacturer has any recommended settings.

Invert Image

The Invert image option reverses the color of each pixel in the scanned image.

When scanning in black and white, each pixel is reversed from black to white and white to black. When scanning in grayscale each pixel is reversed to the opposite level of gray. When scanning in color each pixel is reversed to the opposite color in the color wheel.

For example, you might choose this option if you are scanning pages that have been printed from newspaper microfilm. Newspaper microfilm reverses black and white so that when viewed on a monitor, the text is white and the paper is black.

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Xerox 4700 manual Invert Image, Color image gamma examples

4700 specifications

The Xerox 4700 is a robust monochrome laser printer designed primarily for high-volume printing environments. This machine stands out due to its impressive speed, reliability, and quality, making it a go-to solution for businesses that need efficient document management capabilities.

One of the main features of the Xerox 4700 is its remarkable printing speed. With the capability of producing up to 120 pages per minute, it ensures that large print jobs are completed quickly without compromising quality. This high-speed performance is complemented by various media handling options, allowing users to print on a range of paper sizes, from standard letterhead to larger formats.

The Xerox 4700 employs advanced laser printing technology, which not only delivers sharp text and clear graphics but also maintains consistency across different print runs. The printer utilizes a high-capacity toner cartridge that can yield a significant number of pages, minimizing the frequency of toner changes and reducing operational costs.

In terms of connectivity, the Xerox 4700 is equipped with multiple options. Standard USB connectivity allows for straightforward direct connections, while optional network interfaces, such as Ethernet and Wi-Fi, enable seamless integration into various office setups. The printer supports various protocols, including TCP/IP, making it easy to incorporate into existing network architectures.

Additionally, the Xerox 4700 supports a suite of advanced printing solutions. Features such as Secure Print, which ensures sensitive documents are only printed when the user authenticates, enhance security in busy office environments. The printer also supports duplex printing, allowing for automatic double-sided printing, promoting paper savings and eco-friendly practices.

The user interface of the Xerox 4700 is designed for efficiency. With a clear and intuitive control panel, users can navigate through settings quickly, minimizing downtime. The printer also includes a full range of management features, providing administrators with tools to monitor usage, configure network settings, and perform maintenance tasks.

Overall, the Xerox 4700 is an ideal choice for organizations that require high-performance printing without sacrificing security or quality. Its combination of speed, efficiency, and advanced features makes it a valuable asset in any busy office environment, solidifying its reputation as a reliable workhorse in the realm of monochrome printing.