The link still works for me Luis. Here's the headline and first part of the article: Lexmark to cut 1,700 jobs, stop making inkjets share email print font size by Associated Press view bio � LEXINGTON, Ky. (AP) � Lexmark is cutting 1,700 jobs, or almost 13 percent of its workforce, and says it will stop making inkjet printers as part of a drive to cut costs as it deals with shrinking sales of inkjets. The printer and software company said Tuesday that it will close its inkjet supply plant in the Philippines by the end of 2015. It is also putting its inkjet technology up for sale. Lexmark had about 13,300 employees as of Dec. 31. Lexmark has been shifting its focus from consumer inkjet printers, focusing on higher-profit laser printers and supplies for businesses and software services.

"If getting consistent and reliable results matter to you more than getting the cheapest price, you will want to look to a name brand compatible instead. Brands typically take ownership of the quality level of the product, often down to the level of specifying what components and toner powder are used for their particular models. They do this of course because they are building and protecting a brand image based on some set of values they offer their customers." It's a good read to start with. Read more: http://www.supermediastore.com/blog/article/oem-toner-vs-compatible-or-generics-can-you-trust-them#ixzz2ian1RlxE

Wirsbro is a Manufacturers trade name however regardless of who manufactures the tubing it must conform to ASTM F-876 Under the ASTM standard F-876 the tubing wall thickness is to be determined by the SDR (Standard Dimension Ratio) standard and all tubing must conform to SDR-9. Under the standard the number following the index SDR defines the physical ratio, which in this case is 9, thus to determine the actual wall thickness of the tubing you divide the outside diameter x 9. As an example, a 1/2" SDR-9 tubing would have a 1/2" OD and the tubing wall would be equal to .5" / 9 = 0.055" Therefore to answer your question, Wirsbro is SDR-9

Glenda, go to www.staples.com - they have a 20% off coupon in the weekly ad (good for the purchase of one item). If you take in your old cartridge this week, you can get a $6 rebate credit. I usually either buy at Staples, or through www.hp.com (if HP sends me an e-mail about a sale, with free shipping). Yes, the cartridges are expensive, but I only use HP brands. I tried an off-brand one time, and it was worthless.