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Where is the power switch on a HP laser jet 1000 printer?
Asked in Computer Printers
What is the cheapest Canon laser printer, business class, that is in the price range of $200 to $1000?
The imageCLASS MF4570dn is a multifunction, black and white laser printer that prints dual sided copies at 35 pages per minute and is $249. On the high end, the imageCLASS D1180 is a multifunction black and white laser printer that prints dual sided copies at 30 pages per minute and is $899. The D1180 has an id scan feature that allows you to scan the id badges of your employees, can scan, copy, fax and print in color.
Who invented the computer printer?
In 1953, the first high-speed printer was developed by Remington-Rand for use on the Univac computer. In 1938, Chester Carlson invented a dry printing process called electrophotography commonly called a Xerox, the foundation technology for laser printers to come. The original laser printer called EARS was developed at the Xerox Palo Alto Research Center beginning in 1969 and completed in November, 1971. Xerox Engineer, Gary Starkweather adapted Xerox copier technology adding a laser beam to it to come up with the laser printer. According to Xerox, "The Xerox 9700 Electronic Printing System, the first xerographic laser printer product, was released in 1977. The 9700, a direct descendent from the original PARC "EARS" printer which pioneered in laser scanning optics, character generation electronics, and page-formatting software, was the first product on the market to be enabled by PARC research." According to IBM, "the very first IBM 3800 was installed in the central accounting office at F. W. Woolworth's North American data center in Milwaukee, Wisconsin in 1976." The IBM 3800 Printing System was the industry's first high-speed, laser printer. A laser printer that operated at speeds of more than 100 impressions-per-minute. It was the first printer to combine laser technology and electrophotography according to IBM. In 1992, Hewlett-Packard released the popular LaserJet 4, the first 600 by 600 dots per inch resolution laser printer. In 1976, the inkjet printer was invented, but it took until 1988 for the inkjet to become a home consumer item with Hewlett-Parkard's release of the DeskJet inkjet printer, priced at a whopping $1000.
Asked in Math and Arithmetic, Algebra
What is 1000 to the sixth power?
"What is 1000 to the sixth power, which is a 1 followed by 21 zeros. Each time you multipy 1000 by itself, the product is an additional three zeros. So: 1000x 1000 = 1,000,000 x 1000 = 1,000,000,000 and continue up to : 1,000,000,000,000,000,000,000 Which is equal to 10 to the 21st power, because 1000 is 10 to the third power.
How do you determine the diameter of the field of view?
At low power on the compound microscope, the diameter of the field of view is 4 millimeters. This is reduced to 1.7 millimeters when you switch to medium power and further reduced to 0.4 millimeters when you switch to high power. Covert the measurment for the field of view from millimeters to microns, the conventional unit of measurment in microscopy. There are 1000 microns in one millimeter. Low power: 4mm= 4,000um Medium power: 1.7mm= 1,700um High power: 0.4mm= 400um