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Computer Printers

Computer printers are devices used to create a hard-copy of a piece of visual information, be it a picture or a document. Questions about computer printers or printer technologies belong here.

4,595 Questions

How big is a4 paper?

A4 paper is 8 1/2 by 11 inches- standard size paper. Or, I believe, 21 by 30 cm in metric measurements.

What does scanner do?

Checks your computer for viruses and then removes them if you say so.

Basically.

I'm sure someone will give you a better answer though.

Where can one purchase a HP Q1338A printer?

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What makes ink colored?

Let me preface this briefly with a little modern printing history.

In the early days of color printing, with the devolpment of the three color process (cyan, magenta, and yellow) there were two ways to print black. Printers could pass board (paper) through the press in a first pass and print all black areas;typically this was for jobs with large black areas. Or, board would print in one pass, and a mixture of the three colors would produce a shade of black.

Essentially, cyan, magenta, and yellow (CMYK) will make black.

Because CMYK does not produce a perfect black, four color presses were developed that included black ink application.

Is a printer input?

No, it is classed as an output device - same as the computer's monitor. Both of which show the result of your input from the keyboard, etc.

What is the purpose of a co2 laser cutter?

A CO2 laser cutter is a versatile tool used for various purposes, primarily in industrial and manufacturing settings, but also in hobbyist and artistic applications. Its main purpose is to precisely cut or engrave materials using a high-powered laser beam generated from carbon dioxide gas. Here are some of its key purposes:

Material Cutting: CO2 laser cutters can cut through a wide range of materials, including wood, acrylic, plastic, fabric, leather, paper, and even metals (although metals typically require higher-powered lasers). This makes them valuable in industries such as signage, furniture making, and metal fabrication.

Engraving: These machines are also used for engraving intricate designs, text, or patterns onto various materials. This is commonly seen in personalized gifts, jewelry, and the customization of products.

Precision and Detail: CO2 laser cutters are known for their precision and ability to create intricate, detailed cuts and engravings that would be difficult or impossible to achieve with traditional tools.

Speed and Efficiency: They are faster and more efficient than many traditional cutting methods, making them suitable for mass production or prototyping.

Non-Contact Cutting: Unlike some other cutting methods, CO2 laser cutting is a non-contact process. This means there is no physical force applied to the material, reducing the risk of damage or contamination.

Clean Cuts: The laser beam produces clean, smooth cuts with minimal heat-affected zones, resulting in less post-processing work.

Versatility: CO2 laser cutters can be used with various software and can cut or engrave complex designs, making them adaptable to a wide range of applications.

In summary, the primary purpose of a CO2 laser cutter is to offer precise, efficient, and versatile material cutting and engraving capabilities across various industries and creative endeavors.

What are the factors to consider in selecting food?

When choosing a restaurant. there are many factors to consider. the first and most important one to consider is environment. Chinese,Italian, Fast food, Diner,Bistro, all have different environment that will make or break your experience. second is food, what do you want to eat? what do they offer that you would like to try. ol' classics like cheeseburger and fries or something more exotic like quale, or squid. this will also enrich your dining experience. the third and most important factor is service. Will they treat you like a v.i.p. or a bum off the street. the waiters attitude and the cooks speed in preparing your meal will all help your dining experience to be a great one. some miscellaneous factors would be location, rates for food(Fast food,Fine foods),establishment(building in good shape,bad). All worth investigating but not essential to your experience.BLAH BLAH BLAH Dont listen to him the facters that make a good resturantare none of those i will admit i do not know them but i do know that those are not right.ok so do not listen to that idiot thankyou.

How do you get dark sonic on Sonic FGX?

To get dark sonic you must beat the game with every character in the game S.F.G.X.That unlocks mission mode. Beat mission mode and dark sonic is yours if you have trouble go to the youtube user marjosonic and start at video 9 or 8 [I forgot]

What is hydrochromic ink?

Hydrochromic ink is a kind of water based ink,white color,which can change color from white color to transparent when it get wet,and would return back to original color when it get dry, hydrochromic ink can be applied through screen printing.

How do you dispose of totally broken electrical products?

Most communities now have a few days a year set aside for recycling your electronic products as many contain items that may be considered hazardous to the environment. The recyclers will try to reclaim the gold from some of the circuit boards and properly remove the hazardous contaminants. Most communities set aside a few days every year for the proper disposal of used electronics items, due to the possible contaminants they may contain. If they're recycled, the recyclers would then try to reclaim any gold that's used as well as properly remove the contaminants.

How does an ink jet printer work?

there is a print head has nozzles to draw ink from cartridge and spray on the paper cartridge is placed on the print head holes are placed exactly on the nozzles.

There are various technologies involved, depending on the make.

The ink is supplied at the nozzle by internal pressure from within the cartridge, or by gravity.

The ink is fired onto the paper by an electrical pulse. This impetus is provided either by rapidly heating the ink drop, or by piezo crystal resonator.

As the print head moves back and forth across the paper, the picture is printed line by line.

Can you use transparent paper in an ink jet printer?

No, traditional transparency paper is simple clear plastic. Laser printers use heat to burn toner onto paper to print. Traditional transparency paper will melt and stick to the rollers if used. There are transparency sheet specifically made to support laser printers and you should go to your local office supply store to find some. If the box doesn't specifically say compatible with laser printers then it isn't.

Don't forget ink jets use liquid, which can't print on the smooth transparency surface.

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Well it's a good question. You need to remember that transparancy paper "moves" differently then paper and not all printers can work with them, as well as the stock (thickness of it). Remember, how it feeds the paper and settings you use could smudge the ink very easily if not supported.

Just be certain that the printer supports transparancies prior to using and as mentioned above, place it in the paper tray and usually you will have an option to select "transparancy" if the printer supports it and the correct drivers are installed on the PC

Does Walmart sell HP inkject printers?

Yes, Walmart sells HP Inkjet printers. For example, they currently sell the HP Officejet Inkjet 4500 Wireless Printer as well as the HP Officejet 6500A Inkjet e-All-in-One Printer.

Why use a ink-jet printer to print photographs?

You don't say compared with what; it is quieter than a dot matrix and cheaper than a laser. Ink jets can print on wide range of media; plain paper, glossy photo paper even compact discs.

How was the printer invented?

In the Western World the first printer was the printing press invented in the 1700's. This was a huge innovation since up until then, everything had to be hand copied. The printing press consisted of blocks with letters that could be arranged in a tray and then emptied to make a new page. It was first invented in China and was adopted and modified by Europe in the mid sixteenth century.

What is a CO2 laser engraver used for?

A CO2 laser engraver is a type of laser engraving machine that utilizes a carbon dioxide (CO2) laser to engrave or etch various materials. It is commonly used for precision engraving, marking, and cutting a wide range of materials, including wood, acrylic, glass, leather, rubber, plastics, and certain metals. The Co2 laser engraver machine emits a concentrated beam of light that evaporates or melts the surface of the material, creating intricate and detailed designs, patterns, or text.

CO2 laser engravers are popular in industries such as manufacturing, crafts, signage, jewelry making, and electronics. They offer high levels of accuracy and can produce both shallow and deep engravings, depending on the power and settings of the laser. The versatility of CO2 laser engravers makes them valuable tools for adding permanent designs, logos, serial numbers, or other markings onto various items.

What is a laser printer?

A high speed printing device that primarily uses a laser and static electricity for attaching toner to paper. I believe it should really be called the static electricity printer! You see; the primary principle at work in this machine is static electricity. The laser inside the printer never really touches the paper.

The LASER printer really has four basic parts that are most important.

1. The laser Unit (with mirror)

2. The Toner Hopper

3. The Drum Assembly (with 3 additional parts)

4. And the Fuser assembly.

How a laser printer is working:

1. Whenever the printer gets its information, the printers' circuit board then takes that information and converts it into a code. Like Morse code.

2. The laser prints it to a negative (statically) charged rotating drum.

3. when the laser pulses light on the drum it creates a small DOT of neutral electricity.

4. the drum or (toner hopper) charges the toner powder to a negative charge as well.

5. when the toner is pushed through the drum the toner is sucked into the Neutral spaces left by the laser. Creating an image.

6. paper is Positively charged. and pushed through the drum. The toner is statically bonded to the paper. Like a magnet, it sticks together.

7. the fuser assembly heats up 300+ degrees and fuses the toner to the paper.

Different from inkjet printers using ink, laser printers use toner as printing materials.

Ink cartridges are usually cheaper than toner cartridges. However, toner cartridge has the lower cost per page than inkjet does.

What is the role of a plotter?

plotters are used for producing graphics or designs

plotters are used in CAD ( computer aided design )

When were printers invented?

The first high speed printer was invented in 1938 and was invented by Chester Carlson In 1455, Germany, Johannes Gutenberg printed the first book. It was a copy of the Bible, but the first ever made with movable type.
in 1970-
1953

Why was the printer invented?



Well, to put computer information onto paper, to have a hard copy of the information in case a computer is not a viable option for the presentation of the information. Also for things such as Posters, flyers or handouts; which can be designed on a computer, but are not that useful on one.

Is printing ink exspencive?

Printing ink can be expensive, especially for high-quality or specialized inks. The cost of printing ink can vary depending on factors such as the type of ink, color, quantity needed, and the brand. It is important to consider the cost of ink when budgeting for printing projects.