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The HP LaserJet 4100 series were replacements for the HP LaserJet 4000/4050 series of printers. The LaserJet 4100 series printers print letter paper at 25 pages per minute, and can be set to print at 600 dpi or 1200 dpi. Unlike the 4000 and 4050 series, the 4100 series printers are capable of printing at true 1200 dpi at full engine speed.
The HP DeskJet 520 introduced resolution enhancement technology, or REt, to HP inkjet printers. It was also HP's last black-and-white-only inkjet printer. The HP DeskJet 500, 510, 520, 500C, 550C, and 560C were all replaced by the HP DeskJet 540 (3 ppm B&W, 1.5 minutes per page color). A one-pen inkjet printer, color was optional.
Hewlett-Packard (HP) developed the first ScanJet in the mid-1980s at their printer division in Boise, Idaho. [4] [5] The ScanJet was released in March 1987, [6] as a compliment to their LaserJet series, which was the first commercially successful line of laser printers ever released, [7] introduced in 1984 and also developed at Boise.
The 4000 series, as well as the 4050 and the 4100, used partly external duplexers. [24] The world's first mass market all-in-one laser device, the LaserJet 4101 MFP, debuted in April 1998. Users could print, fax, copy, and scan with a single appliance. In July 1998 HP shipped its 30-millionth LaserJet printer.
Some wireless access points have a dual-function WPS button, and holding this button down for a shorter or longer time may have other functions, such as factory-reset or toggling WiFi. [ 8 ] Some manufacturers, such as Netgear , use a different logo and/or name for Wi-Fi Protected Setup; [ 9 ] the Wi-Fi Alliance recommends the use of the Wi-Fi ...
A push broom scanner, also known as an along-track scanner, is a device for obtaining images with spectroscopic sensors. The scanners are regularly used for passive remote sensing from space, and in spectral analysis on production lines, for example with near-infrared spectroscopy used to identify contaminated food and feed. [ 1 ]