What is a Scanner

A scanner is a device used to make a digital copy of an image, text, or other data type. Scanners come in various shapes and sizes and can be used for a variety of different purposes. You can do this by scanning the document with scanners or taking a picture with a camera. Once the document is in digital format, it can be edited, shared, or printed.

The main purpose of scanners is to read text or images from a piece of paper and convert it into a digital format. Some common uses for scanners include scanning documents for archiving or sending electronically, scanning photos for printing or online sharing, and scanning receipts and other financial documents for tax purposes. In this article, we’ll discuss what a scanner is below.

What Is Scanners Used For?

scanner working

Scanners can be used for various purposes, such as scanning documents for work or school, scanning photos, or scanning recipes. Most scanners have software to edit and save the scanned images. Some scanners also have Optical Character Recognition (OCR) software to convert scanned images into editable text.

You can use scanners for digitizing documents, photos, and other physical items. They are also used for creating 3D models of physical objects. Scanners are a great way to make a digital backup of your physical belongings and keep them safe in an emergency.

How Scanners Works

The scanners use light to create an image of the document or photo. The image is then converted into a digital file that can save on a computer or other device.

First, make sure that it is plugged in and turned on to use scanners. Then open the scanning software that came with the scanners. The software will provide instructions on how to scan a document or photo.

Types of Scanners

3 types scanner

i. Portable Scanners

Portable Scanner

Portable scanners are light in weight and can be carried to any place. Some are even pocket-sized, just like PDAs. Besides, they are ideal scanners for text documents, scanning business cards, receipts, and more.

Also, these scanners are handheld to scan any document manually. You only need to pass your scanner over the image to capture any detail you need. These scanners may have the advantage of portability, but they can’t scan high-resolution documents.

Key Features

  • Easy to use

You can consider a portable scanner for flexibility and zero disappointments when scanning. They are equipped with a fast-to-understand interface making every process straightforward. Also, the built-in technologies and saving options will never disappoint you.

  • Convenient scanner

Its lightweight and compact design make it fit for any person working while on the go. Again, it occupies a limited space, so you should be worried about your desk space. Consider this portable scanner to avoid moving around with bulky papers. Moreover, its battery can serve you for many hours.

  • High speed

Portable scanners do use the latest technology that enhances scanning speed. So, if you are in the office, you will take the shortest time possible to scan documents. 


  • You can easily transport it due to its lightweight
  • Fast scanning speed
  • No use of cables
  • Occupies limited space


  • The modern portable scanners are costly

ii. Drum Scanners

Drum Scanner

Drum scanner is a celebrated scanner that uses a photomultiplier tube (PMT). You can use it when scanning transparent and reflective media. This is how it works- the drums or cylinder rotates at a very high speed that attaches the film. It is one of the best scanners for professional photography due to its high resolution for in-depth images. Though being the best when it comes to high-resolution images, these types of scanners are costly. Again, they are huge and heavy and occupy a lot of space.

Key Features

  • Incredible resolution

The high resolution of this type of scanner makes them outdo others when it comes to in-depth images. However, the resolution ranges from 6000 dpi, with high-end models achieving a resolution of 11000 dpi. So, they are suitable options for enlarging images.

  • Outstanding tonality

The tonality of any drum scanner is fantastic. These scanners use vacuum tubes, capacitors, resistors, and RGB lights to convert analog data into digital data. So, it is not necessary to rely on electrical scanning to bring up tonality issues.

  • Sharp images

Drum scanners are known for sharp and clear images. The tiny film pieces enhance the clarity and sharpness of images when scanning. Again, it resolves grains significantly; that is why you will see every detail of your document after the scan.


  • Clear and sharp images
  • High resolution
  • Great tonality
  • Ideal for image enlargements
  • Drum scanner can scan shadow


  • They are too expensive
  • Large in size

iii. Sheet Fed Scanners

Sheet Fed Scanner

The sheet-fed scanner is the right choice if you want to do scanning jobs instantly. Again, they are relevant if you are in a busy office with volumes of scanning tasks like transcripts. This is due to its high scanning speed.

Indeed, they are practical and efficient for anyone in business. Further, they are highly portable due to their small size. The unfortunate thing is that they are not that good when scanning images. This is because the rollers may bring some damages.

Key Features

  • Duplex scanning

Duplex scanning is why a scanner can scan both sides. A sheet-fed scanner is one of the types with duplex capability. With this type of scanner, you’ll not waste time reinserting a paper to scan both sides.

  • High scanning speed

Sheetfed scanners are designed for speedy scanning of 135ppm for simplex and 270-ipm for duplex. You can scan volumes within the shortest time compared to other scanners. However, you can determine the speed by confirming the number of sheets you will scan within a minute. It is advisable to work with a high-speed scanner permanently to save time.

  • Portable

Sheet-fed scanners are light in weight and compact design, making them fantastic devices when traveling for business. Well, you can comfortably digitalize your documents while on the move. The reason is they can perfectly fit inside a briefcase, bag, or backpack.


  • High scanning speed
  • Duplex capability
  • Portable
  • It’s a quality product


  • Can’t scan book

iv. Book Scanners

Book Scanner

Everything is changing due to the increasing technology; many people opt to keep records and books digitally, which is a safer and more efficient way. Book scanners are gaining popularity as you can safely store your library. Take a step and convert your library into a digital format using this great scanner. These scanners can have many benefits, but they can’t perform perfectly when scanning documents.

Key Features

  • Easy sharing

With a book scanner, you can comfortably at any time access your book. You know how enjoyable it can be to read your book anywhere, anytime. But, you can achieve this by saving your book online. Still, you can share your book with other people through email or file-sharing services.

  • Saves space

You can use a book scanner to save all your books. And through this, you’ll not have piles of books on the shelves which can be hectic when finding a single book. Thanks to technology because you can organize your library digitally.

  • Security

The only way you can be sure of the safety of your books is by saving them digitally. They won’t be scattered all over through this, leading to theft or damages. Save your library digitally to avoid losing them.


  • You can easily access your book.
  • The best way you can be sure of the safety of your book
  • Saves you space
  • Can save you weight when traveling


  • They are expensive

v. 3D Scanners

3D Scanner

For 3D scanning, you can only use a 3D scanner. This is the current technology of creating 3D models of different objects. Besides, many businesses embrace this technology to enhance productivity by creating unmatched products while reducing production costs. Whether you are a doctor or engineer, mechanic or technician, you need a 3D scanner to succeed in business. But, be ready as the affordability of this scanner may keep you off. Also, you must be knowledgeable on how to operate this device.

Key Features

  • Increased production

3D scanners can accurately take measurements and analyze your work area. Through this, you can reduce your employees’ workloads and allocate them to other fields. Work will be completed on time hence more profits. Also, your specialists will only confirm if every problem within the company is solved.

  • Works accurately

You will never experience errors with 3D scanning. These devices certainly can’t work like a human prone to errors. It’s a machine that records trigonometric measurements accurately. You know it’s all about accuracy, more so in the engineering field.

  • Economical

Try a 3D scanner if you want to reduce employees in your company. Well, this scanner can do a lot within your company that your staff could do. Indeed, it’s an economical device as you will reduce the number of salaries due to the reduced number of employees.


  • It scans accurately
  • Increases productivity hence more profits
  • Reduced staffing within your company
  • Saves time


  • Pricy
  • Must be operated by a specialist

vi. Photo Scanners

Photo Scanner

Photo scanners are devices you can use to convert physical images into digital images through scanning. However, you can differentiate these scanners from the regular ones because of their high color sensitivity and resolution. Professional photographers consider this type of scanner to achieve photograph negatives. Also, activists use it for slides. Still, you can get one for home use to enhance your damaged or old photos.

Key Features

  • Multifunctional

Photo scanners are versatile due to scanning photos, documents, and even cards. This is a safer way of storing your priceless pictures cards for basketball, baseball, and many. You can digitalize everything and share it with your pals or family members.

  • High speed

You can never compare the scanning speed of a photo scanner with that of a flatbed scanner. They come with super scanning speed. You can take 2 seconds to scan a 4×6 single photo, and store-meaning, you can scan over 5000 pictures within a day.

  • Quality imaging

Photo scanners got a higher color sensitivity that can bring old or damaged photos to life. Also, the high resolution guarantees exceptional results.


  • Inbuilt editing software
  • Quality photos
  • High resolution
  • Super color sensitivity


  • Creases in your photos can be seen in the scan

Is a Scanners a Printer?

The answer to this question is a little complicated. In general, a scanner is not a printer. A scanner captures an image or text and then saves it as a digital file. On the other hand, the printer prints out documents created on a computer. 

However, some scanners can also print documents. So, the answer to the question depends on the specific type of scanners used.

What Types of Device is a Scanners?

Scanners are digital machines. It is a device used to digitize documents for storage, sharing, or print. Scanners come in various sizes and types, but all function in a similar way: they capture an image of the document and convert it into a digital format.

What is Flatbed Scanners

A flatbed scanner is a type of scanner that utilizes a flat glass surface to scan an image. The image is placed on the glass, and light used to scan the image. The light reflects off the image and is captured by a sensor. This sensor converts the light into a digital image that can save or printed. 

Flatbed scanners are the most common type of scanners. They are relatively affordable and are easy to use. They are commonly used to scan photos, documents, and other physical objects. Flatbed scanners can also use to scan artwork or other three-dimensional objects.

How Can You Use a Scanners?

Scanner use

When using scanners, there are a few basic steps that need to follow to produce accurate results:

  • Make sure that the document is flat and positioned correctly on the scanners bed.
  • If scanning a photo, make sure that it is facing the correct way (upright with the text readable)
  • Scans at the highest resolution possible to produce the best quality results
  • Use a scans software application to adjust settings, if necessary. Most scanners come with some type of bundled software, but there are also a variety of third-party applications available. 

Once you have scanned your document, there are several ways to use or share it:

  • Open in an image editor such as Photoshop or GIMP for further editing.
  • Upload to a cloud storage service like Google Drive or Dropbox for easy sharing.
  • Print directly from your computer using an online printing service.
  • Email the document as an attachment.

What is a Scanners Driver?

scanners drivers are software programs that tell computers how to run and communicate with scanners. Without scanners drivers, your computer would not be able to “see” the scanners and would be unable to import scanners images. Scanners drivers usually come pre-installed on your computer, but you may need to update them if you’ve recently purchased new scanners.

Updating your scanner’s drivers is a quick and easy process. Locate the scanner’s driver software on the manufacturer’s website and download the latest version. After the download is complete, run the installer to update your drivers.

If you’re having trouble locating the scanner driver software on the manufacturer’s website, try doing a Google search for “scanner driver [manufacturer name].” This should bring up the manufacturer’s website and allow you to download the latest version of the scanner driver software.

Advantages of Scanners

Scanners are a great tool to have in your home or office. It can save you time and money. Here are some of the advantages of using scanners:

  • Scanning documents instead of photocopying them saves paper and ink.
  • Scanning photos and documents create digital copies that can save on your computer or emailed to others.
  • Scans large items, such as books, is much easier than photocopying them.
  • You can use a scanners to create digital copies of artwork or other important items that you want to preserve.
  • Scanners come in various sizes and types, so you can find one that fits your needs.

Things to Consider Before Buying a Scanners

There are several factors to consider when purchasing a scanner. The most important factor is the type of documents you will be scanning. 

  • A simple desktop scanners should suffice if you are only scanning text documents. 
  • However, if you will be scanning photos or other types of image-based documents, you will need a scanners with higher resolution capabilities. 
  • Additionally, consider the scanner’s speed and whether it has duplexing capabilities (the ability to scans both sides of a document at once).
  • If you only plan to scans a few documents now and then, a low-priced scanners may be all you need. But if you plan to scans a lot of documents, you may want to invest in a higher-priced model that has faster scanning speeds and better image quality.
  • If you need a scanners that can scans both sides of a document at the same time, choose a model that has duplex scanning. If you need to scans large documents, make sure the scanners has an automatic document feeder (ADF).
  • Ensure that the scanners you want to buy is compatible with your system and software.
  • For office use, buy a scanners that has more duty cycle. That means it will scans a lot of documents each day. Otherwise, your work may hamper.


Q. What Are Scanners in Computer?

A scanners computer is a device that scans documents and photos and converts them into digital images. They are used to make documents, save photos, and create digital archives.

Q. What is the Purpose of Scanning a Document?

Creating a digital copy of a document is the purpose of scanning it. You can save the digital copy to your computer, email it to someone, or print it out later.

Document scanning is also a great way to keep track of your documents. By scanning them, you can easily search for them later on, and you won’t have to worry about them getting misplaced or damaged.

Q. What Should I Look for When Buying a Scanners?

Before buying a new scanner, consider how much it takes? What is your budget? What level of bit depth do you require? Do you prefer flatbed or sheet-fed scanners for your scanning needs? And are these scanners capable of meeting all of my document imaging requirements?

Q. Can You Scan a Presentation?

Yes, you can. Create a new or existing presentation with Microsoft PowerPoint. From the “Insert” tab, select “Clip Art” from the “Illustrations” group. Double-click “Organize clips” in the “Clip Art” task box that displays. The Microsoft Clip Organizer application will redirect to you. Place the subject you want to scan in the scanning device. Go to the “ClipArt” task pane and click the scanner’s image to add it to your PowerPoint.

Q. How Can I Scan a Document with a Smartphone?

It’s very easy. Go to the “Note” option and tap on the “New Note” icon. Then tap on the “+” sign from the keyboard’s toolbar. Then tap on “Scans Document.” You can also scan from google drive by clicking its “+” icon.


With their ability to digitize information and turn it into a digital format, the scanners are one of the most efficient technologies of the modern era. For instance, if you install it in your office, then at first, make sure that it is set up correctly and works as required. This will help avoid cases where people may go for the installation and later realize it does not work as required.

We have touched on several topics, including what the digital scanners are, how to operate them, and information about different scanners. Hopefully, after reading what a scanner is in this guide, you are furnishing with enough knowledge to make an educated decision about a scanners device and its use.

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