[slip]

Here is what I read on the pentax canada site:



PENTAX Imaging Company is aware that a limited number of our digital camera products may be affected by defects to CCDs provided by a vendor. The cameras that may be affected by this issue are limited to the Optio 330RS, Optio 330GS, Optio 33L, Optio 43WR, Optio 550 and the Optio 555. If you own one of these products, and you believe that your camera may be affected, please click here:
http://www.pentax.ca/support/digital/CCD_Service_Information.pdf