Apparently some defective components were used in the construction of the logic board (see photo). On my C6180 there were 3 failed capacitors (the green cylinders - the puffed top indicates failure) and a 4th from the same manufacturer (TEAPO - many unfavorable web references to this manufacturer). I purchased 3x 330uF 16V and 1x 680uF 10v rated to 105 degrees Celsius (total about 60cents). On the logic board, the capacitors I replaced are labeled C613, C614, C660 and C662. If you are not comfortable replacing the parts yourself (or don't have a soldering tool), you will have to find someone who will. The time to repair should be less than 30 min - I did it in 25 min with only a solder pen. This fix stopped my printer from power cycling and also fixed the ink system failures the Printer was having.
I ordered parts from mouser.com, but DigiKey.com may have better prices.
I ordered 3 of these and 1 of these
This info has been so helpful along with this group of pictures:http://picasaweb.google.com/109215435720... The pictures show how to get to the logic board. Thank you for helping me fix my printer instead of turning it into a boat anchor!
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Figure 2: Example USB connection (your product might not look exactly the same as this example)
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