The biggest thing you can do to increase your injet cartridge's shelf life is to not use. Store it in a dry, cool place until it's ready to be used, otherwise it may dry out.
You can't defeat the codes on HP inkjet cartridges
Laser printer cartridges are much more expensive than inkjet printer cartridges. Laser printer cartridges last a lot longer than inkjet printer cartridges.
The original purchase price of a color laser printer is very comparable to an inkjet printer. The additional difference in price comes when you purchase the ink cartridges are the laser cartridges are higher in price.
There are several popular inkjet toner cartridges. Some of the most popular inkjet toner cartridges include HP, Dell and Brother, which can be bought at almost all computer stores.
There are many companies online which sell discount cartridges. 123inkjets.com/ is a company I used before. Amazon.com has good deals for inkjet cartridges also.
To prevent the Inkjet nozzle from drying out.
There are no HP inkjet cartridges that are compatible with other brands of printers. Ink cartridges are shaped differently for different brands, and HP cartridges will only fit in HP printers.
Usually known as an "inkjet" printer that uses blue, red and yellow ink cartridges, with some printers using an additional black ink cartridge.
HP inkjet cartridges are easier to find than other brands because the printers are more ubiquitous than other printer brands. As such, most retailers will carry a large selection of inkjet cartridges.
There are many online stores that offer special deals on inkjet cartridges. You could try the following websites; printerinks.com, cartridgesave.co.uk or cartridgeworld.co.uk.
Most ink cartridges cost about 20-30 dollars.
There are many places you can dispose of your hp inkjet cartridges. Many office supply stores have deposit boxes for ink cartridges. You ca also take these cartridges to local recycling groups who will usually take them at no cost.