| Ever since prehistoric times man has | | | | of the HP Deskjet printer series which sold for a |
| communicated using a type of print. What started | | | | massive $1000 each. |
| as simple pictures or images scratched into a | | | | The development of the inkjet printer had not all |
| cave wall using a sharp rock or burnt stick has | | | | been plain sailing, again more than one company |
| turned into a multibillion pound industry. These | | | | worked hard to perfect the new technology. |
| days life wouldn’t be the same without the | | | | There were problems with ink delivery control and |
| ability to print, everything from bank notes to a | | | | with ink drying times amongst many others. Once |
| bus ticket involves printing of some sort. | | | | again there were front runners and Hewlett |
| It is unlikely that the first cave man ever to | | | | Packard along with Canon led the way in |
| scratch a picture could see the importance of | | | | developing not only a completely new ink delivery |
| printing; he could never envisage that thousands | | | | system that held wet ink inside but also a |
| of year’s later man would develop the printing | | | | removable printer cartridge which was a purpose |
| technology and the total reliance we have on this | | | | built cartridge to deliver ink to the paper. HP |
| technology today. The earliest forms of mass | | | | have gone on to develop this technology over the |
| repetitive print were the printing press, the oldest | | | | years, the HP Deskjet, HP Photosmart, HP PSC, |
| press known dates back to 1452, invented by a | | | | HP Officejet, to name just a few of the HP range |
| man called Guttenburg. The stand alone printer we | | | | all owe their heritage to this early inkjet |
| recognise today followed much later. | | | | technology. |
| It has been a long journey from cave drawings to | | | | No article on print or printers would be complete |
| the high quality photographs and documents we | | | | without a closer look at the printer cartridge. It |
| can now print ourselves, the ability to be able to | | | | wasn’t just the invention of inkjet and laser |
| print such things at home and in the office is | | | | printers alone that changed the way we print. |
| mainly down to recent advances in inkjet printer | | | | Lots of effort and probably blood and sweat |
| and laser printer technology, back in 1938 when | | | | went into the development of the printer |
| Chester Carleson invented the first dry printing | | | | cartridge. Almost every modern printer has a |
| process called electro photography (commonly | | | | cartridge at the heart of it; without the printer |
| called Xerox) things started to change | | | | cartridge the printer is useless and visa versa. |
| dramatically, Xerox Engineer, Gary Starkweather | | | | When HP released their first printer it was the |
| adapted the existing Xerox printer by adding a | | | | fact that the HP printer cartridges can be easily |
| laser beam to the reprographics which set the | | | | replaced that played a strong part in its success |
| mark for the future of laser printers. | | | | as a consumer product. |
| At the time other companies were investing time | | | | The printer cartridges of today can be split into |
| and effort into developing other versions of the | | | | two main categories, Laser cartridges and Ink |
| laser printer technology. Hewlett Packard and IBM | | | | cartridges. The difference between the two is |
| were amongst the front runners in the race to be | | | | great; they are totally different types of |
| the most innovative imaging company; it was IBM | | | | technology. The laser printer cartridge uses a dry |
| that first brought high speed to the laser printer | | | | powder ink sometimes known as toner and the |
| process with the IBM 3800 Printing System which | | | | Ink cartridge uses a wet ink. |
| boasts a printing speed in excess of 100 | | | | The manufacture of printing technology has |
| impressions per minute (impressive for the dot | | | | spread and to date there are a few different |
| matrix era). | | | | companies who each have their own type of |
| In 1984 Hewlett Packard announced their arrival | | | | printers and printer cartridges. Hewlett Packard is |
| into the laser printing top spot with the release of | | | | amongst the biggest companies so too are |
| their HP Laserjet series of printers which quickly | | | | Lexmark, Canon, Epson and Xerox. |
| became the world’s most popular personal | | | | There are also many printer cartridge recycling |
| desktop laser printer. HP developed the first laser | | | | companies, most printer cartridges can be |
| printer to have a print resolution of 600 x 600 dpi | | | | recycled or refilled at least once. Refilled or |
| (dots per inch), the HP Laserjet 4 became very | | | | remanufactured printer cartridges are usually a |
| popular worldwide and although Hewlett Packard | | | | low cost alternative; many people choose refilled |
| have not manufactured one for years there are | | | | cartridges as they are considered to be a more |
| still many of them around and the printer | | | | Eco minded way of printing. |
| cartridges are still in circulation, which is a | | | | Who knows what the printers of the future will |
| testament to the quality of build by Hewlett | | | | be like, will we still be reliant on the humble ink |
| Packard. | | | | cartridge, the use of e mail and internet research |
| The arrival of laser printers with the dry print | | | | will have undoubtedly had some effect on the |
| technology didn’t spell the end for wet ink | | | | levels of printing but for the foreseeable future |
| printing, although the laser printer was good, | | | | there will always be a need for a hard physical |
| colour laser printing was not yet developed and | | | | copy print of some sort, or at least until the next |
| there was a void in the industry that Hewlett | | | | great innovation of printers and printing |
| Packard was about to fill. In 1976 the Inkjet | | | | technology takes place, we’ll just have to |
| Printer was invented, but it wasn’t until 1978 | | | | wait and see......... |
| that it became a home user item with the release | | | | |