Frequently Asked Questions

My B410's prints have marks that repeat down the page — is that the drum?

Very likely, yes. The drum is a rotating cylinder, so a nick or worn patch on its surface prints the same mark once every revolution — the defect repeats at a fixed distance down the page. Toner problems don't behave that way; they fade or blotch irregularly. Repeating marks at regular intervals are the classic signature of a drum unit, part number 43979001, reaching the end of its surface life.

I fitted a new toner cartridge and the prints are still light and streaky. Why?

Because toner only supplies the powder — the drum forms the image. If the drum's imaging surface is worn, fresh toner still gets laid down unevenly, so output stays gray, streaked or hazy no matter how new the cartridge is. When a new toner changes nothing, the drum is the next suspect, and on the B410 that means the 43979001 drum unit.

How much life should I expect from this drum in a B410?

The 43979001 is rated at up to 25,000 pages. A home-office B410 printing a few hundred pages a month can run for years on one drum; a shared departmental machine will reach the rating sooner. Either way it comfortably outlasts several toner cartridges, which is why drum changes are occasional maintenance rather than a routine consumable swap.

Does this drum work in anything besides the B410?

Yes — 43979001 is the shared drum across a small family of Oki machines. As listed for this unit, it serves the Oki B410, B410dn, B420dn and B430d printers, plus the MB460, MB470 and MB480 MFP multifunction models. If your office runs a mix of those, one drum type covers all of them; just confirm the number on the drum you remove.

What does the $63.18 price work out to per page?

Spread over the rated 25,000 pages, $63.18 comes to about 0.25 cents per page for the drum — a small slice of the total cost of a printed page, and one you only pay every 25,000 pages or so. That is the economic argument for replacing a tired drum promptly instead of nursing bad output: the fix is cheap per page and restores the quality the toner is capable of.

What if a new drum doesn't cure the print problem?

Then you are covered anyway. This compatible drum carries a one-year warranty and one-year free returns — the terms are spelled out on the shipping & returns page — and support is available Monday to Friday, 9 AM to 5 PM CST to help you work out whether the fault sits elsewhere in the printer.

About This B410 Drum Unit (43979001)

Built for owners of the Oki B410 who order by the printer on their desk, this is the compatible 43979001 imaging drum: $63.18, rated at up to 25,000 pages, and the part that actually forms the image your toner prints. It is the fix for repeating marks, gray backgrounds and streaks that survive a toner change, and the same unit also serves the B410dn, B420dn, B430d and the MB460, MB470 and MB480 MFP. Every order is backed by a one-year warranty with one-year free returns, and more supplies for these machines sit on the Okidata brand page.