Ricoh
Compatible Ricoh MP 4055 (842126) Toner Cartridge Black
- Page Yield:
- Black: 37000
- Availability:
- In Stock
- Shipping:
- Free Shipping
- Page Yield:
- Black: 37000
- Availability:
- In Stock
- Shipping:
- Free Shipping
- Compatible Printers
- Specifications
- SKU:
- CS-Ricoh-MP 4055-BK
- Printer Brand:
- Ricoh
- OEM Number:
- 842126
- Ink Color:
- Black
- Page Yield:
- Black: 37000
- Printer Type:
- Laser Cartridge
- Condition:
- New Compatible
- Description
- Reviews


Ricoh MP 4055 is a versatile printer designed to meet the demanding printing needs of modern office environments, including the Aficio MP 4054SP, MP 5054SP, and MP 6054SP. Known for its reliability and advanced features, this printer delivers high-quality output and efficient performance. The Ricoh MP 4055 printer series is compatible with the 842126 Black toner cartridge, ensuring consistent and professional-quality prints with every use. Engineered to deliver optimal performance, this cartridge produces sharp text and graphics, meeting the highest standards of quality. Featuring advanced printing technology, the Ricoh MP 4055 printer offers fast print speeds and efficient workflow capabilities, enhancing productivity in the workplace. Whether it's documents, reports, or presentations, this printer delivers impressive results with precision and clarity. With the Ricoh MP 4055 toner cartridge, users can expect reliable performance and minimal interruptions to their printing tasks. Easy to install and replace, this cartridge facilitates seamless printing operations, allowing for continuous workflow and productivity. Businesses that rely on the Ricoh MP 4055 series printer can trust in the quality and reliability of the toner cartridge. Whether printing high-volume jobs or everyday documents, this cartridge delivers exceptional results, meeting the diverse printing needs of modern office environments.
Cross-reference: Genuine cartridge number: 842126 (Print Cartridge Type MP 6054), Black. Yield: 37,000 pages. Fits Ricoh MP 4054, MP 4055, MP 5054, MP 5055, MP 6054 and MP 6055; also sold under the same model names for Savin and Lanier.
Frequently Asked Questions
How many months will 37,000 pages actually last our office?
That depends on your monthly volume, and the MP 4055 is usually a busy machine. At 2,000 pages a month, this one cartridge covers roughly a year and a half of printing. At 5,000 pages a month it lasts about seven months, and a department pushing 10,000 pages a month will finish it in under four months. The 37,000-page rating assumes the standard 5% page coverage, so dense reports and heavy forms will land lower — but even at heavier coverage, a single cartridge at $64.87 works out to only about 0.18 cents per rated page.
Why is the per-page cost so low on this cartridge compared with smaller Ricoh models?
Page yield spreads the manufacturing cost of one cartridge over far more printed pages. A small desktop cartridge might be rated at 3,000 pages and cost nearly as much to make, while this cartridge holds enough toner for 37,000 pages. You are paying $64.87 once instead of buying a dozen small cartridges over the same stretch — fewer purchases, fewer swaps, and a per-page cost of roughly 0.18 cents. High-volume cartridges like this one are simply the cheapest way to run an MP-series machine.
Which printers does this cartridge work with?
This cartridge is built for Ricoh MP 4055. It is a black toner cartridge for the MP 4055-series monochrome multifunction line. If your machine's model badge or supply screen shows a different MP model, check your current cartridge's label before ordering — cartridges from neighboring MP models look similar but are not interchangeable.
What happens if the cartridge is defective when it arrives?
Every cartridge we sell is covered by a one-year warranty and one-year free returns, so a defective unit costs you nothing but the report. Contact us, describe what the pages look like, and we will replace the cartridge or refund you under the terms on our shipping and returns page. Keep the cartridge in the machine until you talk to us — print samples help us confirm the fault quickly.
How fast will my order ship, and from where?
We stock this cartridge in four warehouses — Illinois, Pennsylvania, Georgia and California — and route your order from the closest one that has it on the shelf. That keeps transit times short for most of the country. If you need help choosing or checking stock, our support team is available Monday through Friday, 9 AM to 5 PM CST.
Should I shake the cartridge when pages start looking light?
A gentle rock side to side can redistribute the remaining toner and buy you a little more life — that trick has been valid for decades. Treat it as a warning light, though: once output fades, the cartridge is near the end of its 37,000-page run. Order the replacement when you do the shake, not after pages come out unreadable, especially if this machine handles invoices or shipping labels your business cannot pause.
About This Ricoh MP 4055 Compatible Toner Cartridge
This is a Clever Supplies compatible black toner cartridge for the Ricoh MP 4055, rated for up to 37,000 pages at a price of $64.87 — about 0.18 cents per page. It is the sensible single-unit buy for an office that prints steadily but orders one cartridge at a time, and it is backed by a one-year warranty with one-year free returns.
For a different stocking rhythm, the 842126 two-pack and the 842126 four-pack carry the same cartridge. It is the same supply across the range: Aficio MP 6054SP, Aficio MP 4054SP and Aficio MP 5054SP.

