Ever wondered why there are separate DVD+R and DVD-R formats, and what the difference is- if any? Or why DVD+R Dual Layer discs have now been joined by DVD-R Dual Layer? Is there actually a good reason for all this confusion?

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If you’ve ever wondered what “dual layer” (sometimes known as “double layer”) recordable DVD discs are, or what the issues surrounding their use are, read on!

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We’ve had a few people asking us how to upgrade the firmware on our range of the popular ACARD duplicators. It’s fairly simple, so here goes!

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Some of the less expensive discs we sell are what are known as “overprints” or “reprints“. Sounds strange? Not really- these are simply discs that were originally produced by (or for) other manufacturers.

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Although DVDs and CDs normally come in the standard 12cm size (on the left in our picture), you may also have come across “mini” versions that are only 8cm across (on the right).

Technology-wise, there’s very little difference between them and their full-size cousins.

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You might have seem some DVDs, CDs or drives advertise themselves as “Lightscribe-compatible”. But what does this mean? Lightscribe is a technology that allows discs to be labelled by the DVD drive itself- no separate printer required.

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You may have heard people advising you to update your DVD burner’s firmware. But why and how should you do this? And what’s firmware anyway? Read on…

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Wireless networks are great- they give you all the benefits of a network without being tied down by wires.

However, wired networks have one major security benefit- it’s restricted to wherever you can physically plug a cable in. This lets you decide where people can- and can’t- access your network from. Typically this will be within your home or office.

Wireless networks are different- they can be accessed anywhere that’s within range of the transmitter/receiver, no wires required. This is why they’re convenient, but it’s also a potential security risk.

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We often get asked questions about the continuous ink systems (CIS or CISS for short) that we sell. They’re actually very easy to use if you bear a few things in mind.

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If you have an inkjet printer, you might be confused by the amount of different ink cartridges out there. Why are there so many, and which ones are suitable for your printer?

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