Posts Tagged → hardware
hp 02 ciss for my photosmart c7280
Having been thoroughly satisfied with prior HP printer experiences, I made the mistake of purchasing a brand new HP Photosmart c7280. I'm a big fan of these all-in-one devices. I especially like having a WiFi interface, and scanning to a USB disk as opposed to some ridiculous TWAIN protocol is such a great idea it's hard to imagine why some devices still don't support it. But all the things I love about this printer are outweighed by the horrible ink system.
Lets start with the most obvious problem with these ink cartridges. They're way too small, the color cartridges are only 11 mL. I've seen claims that they can yield up to 500 pages. I have no data to argue with that figure, but I can tell you it seems very high compared to what I've seen. Continue reading →
openwrt wifi radio part 2
In part 1 of this series, I took an Asus router and loaded openwrt onto it. I added an LCD display and connected it to the serial port on the router board. At this point, I have a low-power, small form factor computer that I can customize to my heart's content. As far as I/O, the computer still has its original wifi antenna, 5 wired LAN interfaces, a serial port and a USB port. My USB sound adapter still hasn't arrived from Hong Kong, so I'm going to work on another piece of the puzzle.
openwrt wifi radio part 1
I've been inspired by Jeff Keyzer to build a wifi radio. I've wanted for a long time to build a wifi radio to play internet radio and music from an arbitrary remote filesystem. The low cost of the platform he chose, the WL-520gu which I picked up for $35 shipped and is now even cheaper made the barrier to entry much lower than I had thought. So I bought one and tore out the guts as soon as it arrived.
HP 7310xi "Remove and check color cartridge"
This type of error normally comes up when the printer can't talk to its print head (when talking about the kind of printer that has its print heads in the cartridge itself). So after talking with tech support, I found that this printer was just out of its 12 month warranty (of course). So the next step in any kind of troubleshooting is to scour the net for the exact error message. Just take a look at what's out there for a moment. What I was hoping to find didn't exist at the time, so I'm writing it up.
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