| When you print a page on your inkjet printer, if | | | | You can reset the Epson cartridges after they |
| you have your driversproperly installed, you will | | | | run out and get a whole lot more pages out of |
| see a small screen pop up telling you how fullyour | | | | them. Of course you need an Epson universal |
| cartridges are. How does your printer know this? | | | | resetter to do that. |
| Most printers count ink drops. Every line of print is | | | | Things can happen to throw off this counter and |
| produced by tinydroplets of ink and your very | | | | you may get erroneous readings from your ink |
| smart printer keeps track of every one of them. | | | | level indicator, so don't put a whole lot of trust init. |
| It's pretty impressive because it's nothing for | | | | It's just a guide. |
| todays inkjet printersto lay down 12,000,000 | | | | It goes both ways too. Sometimes your levels will |
| drops per second. | | | | be good but your inkcartridge runs out of ink. It |
| Canon also uses an optical method. The ink sensor | | | | could be that the cartridge was not filledproperly |
| monitors the ink levels through optical detection | | | | at the factory but it most likely is caused by |
| and dot counting and alerts users when the supply | | | | faulty ink level data. |
| of any color ink is low. | | | | The data can get corrupt by things like power |
| Canon's ink level system is probably the most | | | | loss from lightning storms,a virus, hard drive |
| accurate although you canstill trick the printer into | | | | crashes, Spyware, corrupt printer drivers etc, etc. |
| printing more from an "empty" ink tank. Just tell | | | | So when you think you have a tough job just be |
| thesoftware that you have installed a new | | | | glad you don't have tokeep track of 12,000,000 |
| cartridge and you can get morepages out of it. | | | | drops of ink per second all day long! |