"I am pleased that this service is free and so effective! I got it becauye i had temporarily lost the CD that came with the scanner. then I found the CD again. So......
I upgraded with this immediately after a resinstall of the software CD that came with the printer a year ago. The upgrade could be friendlier if a little more automated, and better at notifying the user clearly and early as to the USB bus-powered feature.
Due to lack of information on powering up the LIDE 80 scanner in the Install manual, I was kept in unnecessary suspense right to the end as to whether the USB "A/B" cable was going to bus-power the scanner without an A/C power converter. My wife assured me it had done so in her uses (I now remember that's why I bought it for her a year ago!) but she prefers not to know a USB from a FireWire connection, and i was shocked to see this was not FireWire-capable when I went to use it on my laptop. It did prove to be a bus powered scanner, when I finally entered Photoshop after the install and the restart and selected Import and found the ScanGear CS 7.5.2X plug-in ready and waiting.
In the Mac, nearly all my experience is with Firewire 6-pin devices that do this, and Firewire 6-pin-4-pin cables that fail to allow it (4 pin Firewire sockets are standard on PC-Windows laptops, for some infinitely trivial "reason", so that an power brick is essential there, but NOT on Mac laptops with their (always) 6-pin sockets). Just as the PC-Windows universe is obscure and slightly negative about FireWire and bus-powered FireWire devices, so is the Mac Universe obscure and slightly negative about the fact that USB devices can be bus-powered. And I have never seen a Mac publication explain the difference between flat and square USB sockets/plugs, so I always assumed that square USB was the crippled version that lacked BUS power connections, as is the case for the similar-appearing version of firewire cables.
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