I run a very busy household. My family often relies on machines to get things done in a day. So it is no surprise that our house is filled with many technological devices. The most commonly used is perhaps our printer. It served us well whenever we need printouts of documents, maps and pictures. Inevitably, after quite some time, it started to wear out. It was then I realized I needed a new printer. This is where the Samsung SCX 4521 printer using came in.