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[citation needed] Inkjet printers require periodical head cleaning, which consumes a considerable amount of ink, and will drive printing costs higher especially if the printer is unused for long periods. If an inkjet head becomes clogged, third-party ink solvents/head cleaners and replacement heads are available in some cases.
Continuous ink system in an HP Business Inkjet 1200n. The ink is transported from tanks through the black flexible band, which is vertically rigid so it does not fall into the path of the printhead and cause a jam. Close-up view of the above printer, showing the individual removable printheads and ink tanks for each color.
In early printers, as much as 20 to 25% of feed toner would wind up in the cleaner sump and be discarded as waste. Improved printer efficiencies have reduced this waste stream to lower levels, although on average 13% of the toner in each cartridge is still wasted. [19]
The printing depends on the smooth flow of ink, which can be hindered if the ink begins to dry at the print head, as can happen when an ink level becomes low. Dried ink can be cleaned from a cartridge print head using 91% denatured isopropyl alcohol (not rubbing alcohol). [ 5 ]
Ink is a gel, sol, or solution that contains at least one colorant, such as a dye or pigment, and is used to color a surface to produce an image, text, or design. Ink is used for drawing or writing with a pen , brush , reed pen , or quill .
The ink reporting and ink cartridges used in Epson's Stylus Pro 9900-series large format printer reports on ink levels and simultaneously protect the health of the printhead. During printhead maintenance or cleanings, if a cartridge doesn't have enough ink to complete the cleaning, a fuller cartridge must be used.
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