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Spectraflow strongly recommends maintaining non-expired inks in your professional printer at all times. Is an expired ink worth the risk of not only damaging your printhead, but causing unnecessary downtime with a financial impact (up to $2,000)? As we covered earlier, pigmented ink will settle and the solution will turn to a sludge aqueous inks can contain mold. Expired inks can cause print head clogs.Įxpired ink may lead to irreversible printhead clogs that could destroy the printer. Expensive and highly visible projects aren’t something to take a chance on with old ink.Ģ. Print quality is reduced and color accuracy is hard to achieve.Ĭontract proofs, display images, fine art prints, and most any type of high-quality inkjet print can be compromised by using expired ink. The ink may be streaky or appear less vibrant than fresh, non-expired ink. There are two main reasons to not use expired ink in your professional inkjet printers.ġ. The expiration date on your ink cartridges is designed to keep all of this from occurring. It’s also worth noting that water-based (aqueous) inks can become moldy, which can lead to nozzle clogs and other ink feed problems. Ink sludge can clog your printer’s ink-delivery system and destroy a print head. The result is that old ink can become sludge rather than the normally thin liquid. Using settle ink in a printer will result in more frequent nozzle clogs and a shift in color as the pigment load differs from the expected formulation.Īir can get inside an old ink cartridge, causing the ink carrier solution to evaporate. In a pigmented ink set, the particulates suspended in the solution will settle out of the fluid and collect at the bottom of the cartridge. To achieve the longest shelf life, ink must be stored at a stable room temperature, kept away from direct sunlight, not opened until the ink will be used, and consumed within one year once placed in the printer. The factors that affect ink and can lead to spoilage are: It’s important that inks are stored properly to keep output consistent and to keep printers working as reliably as possible. Let’s take a look at the lifespan of stored ink and how expiration can lead to problems with print quality.
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That about does it for ink cartridge components and construction. It sits in the printer and interfaces with the pressurized ink delivery system to keep air bubbles out of your print head Lastly, the plastic container houses the ink. These chips repor tink levels, ink color, and certify that inks are genuine. The business end of an ink cartridge has an integrated circuit stuck to the top. Inks are typically sealed inside mylar bags housed in the larger rigid cartridges. Dye based inksets may have a longer shelf-life, but prints made with dye inks tend to have a permanence rating measured in months rather than decades. Though similar to pigments, dyes dissolve in solvents, similar to the way sugar dissolves in water, instead of being suspended in a solution. This solution can be water-based (aqueous) or alcohol-based.ĭyes are an alternative to pigments. The Solution suspends the pigment allowing it to be transported from the cartridge, through the printhead, and onto your paper.Pigmented inks provide increased longevity compared to dye based inksets, but the particulate formulation can settle out of solution as the ink ages. The pigments are small, micron-sized particulates that provide the color that is sprayed onto paper to make a print.Let’s start with ink which has two main components: Here’s a simplified way of thinking of ink cartridges:Ĭartridges are made up of ink in a pouch, integrated circuit chips, and a plastic housing.
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In this article, we’ll explore the basics of ink cartridge construction, the factors that affect inks, what happens to old ink, and why using expired cartridges is a bad idea.īut before we dive into the arcane territory of ink formulation, it’s important to understand the ins and outs of an inkjet cartridge.
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And using expired inks can damage your printer.
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