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Archive for August, 2018

What Should You Pack in Backpack for Back to School?

August 27th, 2018 | Author: Garrett Upson

Going back to school is an exciting time (or not) for students of all ages. You see your friends once again, make new ones, start or return to an extracurricular activity, are introduced to new classes as well as teachers. Autumn is in the air and you are back in the swing of things returning from summer vacation. However, before you or your child heads off to school, it is paramount that they are equipped with a backpack and in that backpack, they have essential items for school. Below we take a look at that the top items that a student can bring with them in their backpack. This list ranges for all students of all ages so there are students that do or do not need certain school items.

On a side note when packing your backpack, never try to cram your bag because many times it will get disorganized and heavy. The bag might also split if it is not strong enough therefore it is very important to ensure the bag weighs no more than 10% of your own body weight. Bags that are too heavy can cause issues with your back, neck, and shoulders. Most recent bags have a weight limit that will be specified by the manufacturer.

  • Reusable customized drink container: Can be a flip top to stop spills before they happen (or little kids). Or a stainless steel or hard plastic water bottle.

  • Agenda or planner (To keep track of assignments/homework, tests)
  • Pens
  • Highlighters
  • Calculator
  • Binders (with folders inside)

  • 1 three- or five-subject spiral notebook
  • Waterproof jacket
  • USB Stick or zip drive (to save work done on home and school computers.)

  • Emergency supplies (IF DESIRED): It’s a good idea to have some emergency supplies so you’re prepared no matter what happens. Add an extra pair of glasses or contacts and a small amount of money just in case you need them. Depending on the season, you may also want to include sunscreen, sunglasses, sanitizer, makeup, lip balm, an umbrella, a jacket, and/or a hat and gloves.
  • BONUS: Your backpack!


The Importance of the Right Printhead

August 14th, 2018 | Author: Garrett Upson

Inkcups Printhead at work

 

One of the most essential components in any printing job is the printhead – which type of printhead is used greatly affects the overall outcome for the project. Here’s what you need to know about different printheads and how to select the most appropriate one for your specific printing project.

What is a Printhead?

Printheads are a component in all types digital printers that are used to transfer the desired image onto your chosen print media. The printhead will spray, write, or drop the ink onto your paper in the pattern needed to produce the finished image.

The mechanism is made with a number of electrical components and multiple nozzles that will hold the different ink colors. Most often, printheads will include inks including cyan, yellow, magenta, and black with additional colors sometimes including light magenta, and light cyan.

The electrical circuits will send messages to the print nozzles signaling each one when and how much ink it needs to output. You will usually find printheads in inkjet printers, where the print head component will most often be found on the inside of the ink or printer cartridge.

When an image is sent to the printer, the printhead will receive the image information as instructions after which it will evaluate the necessary intensity, amount, and location where the ink will be required. Once the calculations are complete, the head will move horizontally going line by line until it has finished the image.

Types of Printheads

There are two primary types of printheads that will be used in the digital printing process, piezoelectric and thermal. These print heads differ in the types of images they are used to create as well as how the image is formed.

Piezoelectric

While both printheads use drop technology to place ink onto your chosen medium, each of the different printheads will function in different ways. In the piezoelectric print head, there are microscopic piezoelectric elements that are built in behind each of the print nozzles. To drop the ink, an electrical charge will be applied to the element which will move the nozzle backward. When this movement occurs, an exact amount of ink will be deposited onto the substrate.

Since this type of printhead is controlled by an electrical charge, there is a great degree of control over the amount of ink that is being dropped as it can function in the same ways as an on-off switch would. These printheads are known for being able to create perfectly formed dots in a variety of sizes. Piezoelectric printheads are best for UV cured, aqueous, and solvent-based ink.

Thermal

The alternative to piezoelectric printheads is thermal inkjet technology. In thermal technology, the printhead is operated by heat instead of electricity. The concept of thermal printing is similar to the way in which water boils. The thermal technology will electrify the microscopic resistors that lay behind the print nozzle creating an intense heat. As this heat occurs, it will vaporize the ink, creating bubbles that will expand rapidly and in effect explode onto the paper or substrate.

Once the ink has been expelled from the nozzles, it will cool quickly and then refill, repeating the process. Thermal printheads are most suitable for water-based inks such as latex inks used for outdoor signage as well as a number of textile applications.

Why Choosing the Right Printhead is Important

Choosing the proper printhead is necessary when using specific inks but also to achieve the desired results from your printed piece. During printing, the individual drops of ink that are put onto the substrate will affect the overall quality of the image. Smaller drops will produce better definition and higher resolution. This is primarily better when creating easy to read text, especially text that may have fine lines.

The use of larger drops is better when you need to print quickly by covering a large area. Large drops are better for printing larger flat pieces such as large format signage. If your piece requires high resolution, has small or fine details, using a piezoelectric printhead that has better control of the size of the droplets will provide you with the best quality image. For pieces that might be larger but less detailed, thermal technology can make producing the them less costly and often provide you with a piece that is suitable for your needs.

The ink you use and the quality and detail that your final piece requires will be the two vital components that determine which type of printhead will work best for your printing project.