Ricoh SP C840 toner cartridge, featuring product codes 821255 (Black), 821258 (Cyan), 821257 (Magenta), and 821256 (Yellow), is tailored for Ricoh printer models such as the Aficio SP C840 and C842. These cartridges are indispensable for maintaining consistent and high-quality prints in both color and black, serving as essential components for various printing tasks.
Engineered to deliver optimal performance, the Ricoh SP C840 toner cartridges produce vivid colors and sharp text with precision and clarity. Whether it's documents, presentations, or marketing materials, these cartridges consistently yield professional-grade results that meet the highest quality standards.
Users can depend on the Ricoh SP C840 toner cartridges for hassle-free installation and replacement, facilitating seamless printing operations. Their user-friendly design minimizes downtime and ensures uninterrupted workflow, making them ideal for both small businesses and large enterprises.
With their compatibility across various Ricoh printer models and their ability to produce vibrant, clear prints, the Ricoh SP C840 toner cartridges stand as reliable choices for diverse printing needs. Whether it's for routine office printing or high-volume projects, these cartridges fulfill the diverse printing requirements of users efficiently and effectively.
Cross-reference: Genuine cartridge numbers (SP C840A): Black 821255, Cyan 821258, Magenta 821257, Yellow 821256. Yields: Black 43,000 pages, Cyan/Magenta/Yellow 34,000 pages each. Fits Ricoh SP C840DN and SP C842DN; also sold under the same model names for Savin and Lanier.
Frequently Asked Questions
The blues and greens in our prints look washed out — is the cyan cartridge the problem?
Very often, yes. Cyan feeds every blue, green and teal on the page, so when it runs low those colors fade first while reds and yellows still look strong. Check the supply gauge: if cyan is near the bottom while the other colors sit higher, that imbalance is your answer. One caution before you order — a low-toner warning is an estimate, not an empty reading. Pull the cartridge out, rock it gently side to side to level the remaining toner, and reinstall it. If the blues come back rich for a while, the cartridge is simply near the end of its 34,000-page rating and a replacement belongs on the shelf soon.
How far does 34,000 pages really go in a color office?
The 34,000-page rating assumes roughly 5% page coverage, the standard test basis. At $110.10, that works out to about 0.32 cents per page for the cyan component of your printing. Real life varies with what you print: an office turning out 2,000 color pages a month can see well over a year from one cartridge at light coverage, while brochure- and chart-heavy work with big blue backgrounds burns through cyan far faster. The honest way to judge it is against your own monthly color volume — heavy graphics coverage can cut the rated yield in half, and that is normal, not a defect.
Will this cyan cartridge work in my printer?
This is a compatible cyan cartridge built for Ricoh SP C840. Match the cartridge code 821258 and your machine's model name against the listing before ordering — the SP C840 series takes a separate black cartridge (43,000 pages) alongside the three colors, and the color cartridges are not interchangeable with the black slot or with other Ricoh series. If your model is not in the SP C840 family, this is not the right cartridge.
Why replace only the cyan instead of refreshing all three colors?
Because the three colors do not age together. A shop that prints mostly blue-toned material can exhaust cyan while magenta and yellow still hold half their toner. Each color in this platform is its own cartridge with its own 34,000-page supply, so replacing just the one that is empty is the economical move — you pay $110.10 for the color you actually need instead of retiring two cartridges that still have thousands of pages in them. Keep an eye on the other two gauges, though; colors bought at the same time often reach the end within a few months of each other.
How should a spare cyan cartridge be stored?
Keep it sealed in its original packaging, lying flat, in a cool dry cabinet away from direct sunlight and heat sources. Stored that way, a toner cartridge waits patiently — the powder does not dry out like liquid ink. When you install it, open the package only at the machine, give the cartridge a gentle rock to distribute the toner evenly, and remove all seals and tape before sliding it in. If prints come out streaky in the first few pages, run the machine's cleaning cycle; output normally settles within a few sheets.
What protection covers this cartridge after I buy it?
Every compatible cartridge we sell carries a 1-year warranty and 1-year free returns. If this cyan fades early, leaks, or gives you defective output at any point in that year, contact us for a replacement or a return rather than fighting with it — the full terms are on our shipping & returns page. Support is available Monday through Friday, 9 AM to 5 PM CST, and orders ship from our warehouses in IL, PA, GA and CA.
About This Cyan Cartridge
This listing is the single compatible cyan cartridge (821258) for the Ricoh SP C840 series, rated at 34,000 pages and priced at $110.10 — the replacement for the color that blue-heavy offices burn through first. Black is a separate cartridge in this platform and is not included here; magenta and yellow singles are listed separately when you need them. Orders are fulfilled from warehouses in IL, PA, GA and CA, and our support team answers Monday through Friday, 9 AM to 5 PM CST. Browse the full range for this platform on our Ricoh toner page.
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