Cross-reference: Ricoh 841578, the Print Cartridge Type MP C3501 (black, 22,500 pages). For use with: Ricoh Aficio MP C3001, Aficio MP C3501. The same machines were also sold as: Savin C9130 / C9135, Lanier LD630C / LD635C. Full set: Black 841578, Cyan 841423, Magenta 841422, Yellow 841421.

Frequently Asked Questions

Why pick this 22,500-page version when a cheaper standard cartridge also fits?

Because the cost story reverses over time. The standard-yield cartridge for these machines is rated at 10,000 black pages; this high-yield unit carries 22,500 pages for $66.18 — roughly 0.29 cents per page. Fewer purchases, fewer swaps and a lower per-page rate usually outweigh the higher shelf price once a machine prints any real volume.

We run more than one of these machines — does one cartridge type serve both?

Yes. The same high-yield black cartridge serves the whole platform, so a mixed fleet does not need separate black stock for each unit. One cartridge type on the shelf, usable in whichever machine runs dry first, is one of the practical advantages of standardising on the high-yield fill.

Exactly which models take this cartridge?

It is built for Ricoh Aficio MP C3001 and MP C3501 — both models use this same black cartridge in its high-yield form. If your current cartridge is the standard-yield sibling, this one installs in exactly the same slot; nothing about the machine needs to change.

How should we rotate stock so cartridges do not age on the shelf?

Use oldest first. Write the delivery month on each box when it arrives, store boxes flat in a cool, dry cupboard away from windows, and always pull the earliest date for the next swap. Sealed toner keeps well under those conditions, and simple date discipline prevents a forgotten box from sitting for years.

Can different departments share one purchased cartridge?

Nothing stops it — the cartridge is identical whichever desk it ends up on. Many offices keep a single shared spare for the platform rather than one per department, precisely because a 22,500-page fill makes simultaneous empty cartridges on two machines an uncommon coincidence.

What cover do we get after the sale?

A 1-year warranty stands behind the cartridge, and returns on compatible cartridges are free for 1 year — see our shipping & returns page for the exact wording. Support answers Monday–Friday, 9 AM–5 PM CST, and with warehouses in IL, PA, GA and CA, a replacement can be on its way the same day you call.

About This Ricoh 841578 Black Toner Cartridge

This listing is the high-yield black option — reference 841578 — for the Ricoh Aficio MP C3001 and MP C3501: up to 22,500 pages at $66.18 per cartridge. It is the sensible default for shared machines and small fleets, where one stocked cartridge type and a ~0.29-cent page cost keep both purchasing and printing simple. You will find the matching colors and the standard-yield alternatives alongside it on our Ricoh toner page.