Join Mike Meyers for an in-depth discussion in this video Maintaining impact printers, part of CompTIA A+ (220-901) Cert Prep: 4 Displays and Printers.
- Keeping a dot matrix printer happy is a big job.…Dot matrix is an old technology,…but there's billions of these printers still up and around.…So, let's go ahead and dismantle a dot matrix printer…and talk about what we need to do to keep it happy.…Now this is an ancient, ancient dot matrix printer.…In fact, it's so old…I'm not even going to tell you the computer it came with.…Let's just say, it predates Macs, I'm pretty sure.…What I want to do, though, is,…let me get all these covers off…so you can actually see what's taking place.…
This may be an old dot matrix but it's great,…because all the parts are simple,…and it's easy to understand.…Okay, first of all, this guy is designed…to handle tractor-feed paper.…It's old-style paper with the holes on it,…yet they mention it on the A ,…so I'm going to mention it too.…Now, the main piece that's doing all the work right here…is this guy right here.…This is your print head.…And the print head itself…actually has the pins inside of it…that are being pushed by little actuators…
The CompTIA A+ 220-901 exam is comprised of six key parts. The fourth, peripherals, is covered by this course. Instructor Mike Meyers explains how to manage monitors and display technologies, including how to work with connectors and ports like VGA and DVI. He also shows you how to maintain printers and multifunction devices, both as independent devices and as devices connected and configured to a computer.
Note: The six courses designed for the CompTIA A+ (220-901) exam preparation include core processing, core hardware, peripherals and building a PC, displays and printers, networking, and laptops and mobile devices.
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- Configuring display technologies
- Working with Plasma and DLP monitors
- Setting up video connections, graphic cards, and projectors
- Using dual displays
- Troubleshooting video issues
- Maintaining printers