Back to TOC

midtones

The gray shades of an image. Midtones are usually between 30% and 70% black. Midtone control adjusts the brightness of gray levels in the image so that the lightest and darkest portions of the image can be properly displayed on your monitor. The higher the setting, the brighter the image appears on your monitor.

millions of colors

Color images that are composed of three 8-bit color channels. When combined, the red, green, and blue channels provide up to 16 million colors. Sometimes referred to as “true color” and “24-bit color.”

moiré

An undesirable pattern in color printing that results from incorrect screen angles of overprinting halftones. Moiré patterns usually result when you scan a halftone, when you scan images taken directly from a magazine, or when you scale an image in an image editor after it is scanned.

n

negative holder

This XPA piece holds negative strips for scanning. Insert it into the slide holder on the bottom of the XPA light source for proper scanning of negatives.

negative light shield

Glossary 131

noise reduction

This option reduces the noise (unwanted specks) in an image by applying software algorithms to minimize the effects of noise in the scanner electronics.

o

OCR

See optical character recognition.

optical character recognition

Abbreviated OCR. A technology that recognizes letters in a scanned image and converts them into ASCII characters, or editable text.

optical resolution

The true resolution of a scanner, the resolution at which the scanner captures images. See also interpolated resolution, resolution.

optimized palette

A palette or color table that contains the pixel colors present in an image.

original

The original document or picture to be scanned.

This XPA piece blocks excess illumination and improves image quality when scanning negatives. Slide it into the negative holder after the chosen negative strip.

output

The file that is generated by the scanning process.

Page 131
Image 131
HP 5400C Midtones, Millions of colors, Moiré, Negative holder, Negative light shield, Noise reduction, Optical resolution

5400C, 4400C specifications

The HP 4400C and HP 5400C are well-regarded models in the realm of HP’s multifunctional printer offerings, establishing themselves as reliable devices for both personal and small office use. These printers blend advanced technology with user-friendly features, setting high standards in the printing industry.

One of the standout features of the HP 4400C is its impressive print resolution, capable of producing vibrant and sharp documents and images at up to 1200 x 1200 dpi. This ensures that every printout boasts clarity and detail, making it an excellent choice for professionals who demand high-quality output in their everyday tasks. The device supports a variety of paper sizes and types, providing versatility for different printing needs.

In terms of printing speed, the HP 4400C achieves output rates of up to 24 pages per minute for black-and-white documents, and approximately 20 pages per minute for color prints. This rapid performance helps enhance productivity, especially in busy office environments. The HP 5400C, on the other hand, offers similar speeds but is enhanced with features that cater to larger workgroups, making it ideal for more demanding printing environments.

Both models support versatile connectivity options, including USB and Ethernet, allowing seamless integration into existing networks. The intuitive control panel and LCD screen enhance user experience, making it easy to navigate settings and monitor print jobs.

Security is also a crucial aspect of these printers, with options for secure printing and job encryption, ensuring sensitive documents remain confidential. The HP 4400C and 5400C are equipped with HP’s advanced paper handling capabilities, featuring multiple input trays that can handle various media types, including envelopes and labels.

In summary, the HP 4400C and HP 5400C multifunction printers offer a robust combination of high-quality printing, speed, and versatility. Their advanced features make them suitable for a range of workflows, from personal use to larger organizational needs, thereby catering to a broad audience. By integrating modern technologies and user-oriented designs, these printers stand out as reliable choices for efficient document management and production.