Phaser 3125 Toner Cartridges

Some printers earn their keep through stamina, and the Phaser 3125 is one of them: Xerox built it for high-volume environments where the stack of waiting jobs never quite empties. Everything this machine prints comes out of a single black cartridge, the 106R01159, and this page stocks that cartridge in several forms — a standard single, a MICR version, five-packs and a listing that carries this model's own name — so a hard-working 3125 never has to sit idle while someone waits on a toner delivery.

In a department that prints all day, the true cost of a printer shows up as interruptions. A cartridge that runs dry mid-morning can stall invoices, reports and shipping paperwork for everyone sharing the machine. That is why high-volume Phaser 3125 sites tend to think in multipacks rather than single boxes: a five-pack in the supply cabinet turns a toner emergency into a two-minute swap, and the cost of each cartridge drops at the same time.

Toner Cartridges for Phaser 3125

Which cartridge should you buy?

There is no standard-versus-high-yield puzzle on this page, because every listing holds the same cartridge; the real decision is how many to keep within reach. A single cartridge suits a 3125 that prints in occasional bursts. Busy offices do better with a five-pack — three different five-pack listings sit in the table, including a Premium option — while the ten-pack listed under the 3122 name is there for sites that measure toner in cases rather than boxes. Pick the MICR version only if your workload includes printed checks; for everything else the regular black is the right fill. Whichever form you choose, every compatible cartridge on this page is covered by a 1-year warranty and 1-year returns.

Chip, toner and everyday use

Each cartridge carries a chip the printer reads on installation, so seating matters: slide the new cartridge in until it clicks and the machine should recognize it right away. Pull the sealing tape fully clear before it goes in — a half-removed seal is the most common cause of blank or streaky first pages. When output starts to fade near the end of a cartridge's life, take it out and rock it gently from side to side; the toner settles back over the roller and usually buys you a few more days while the replacement ships. Keep one unopened spare on the shelf, stored flat in its bag away from heat and bright light.

Frequently Asked Questions

What toner does the Phaser 3125 take?

Only one: the 106R01159 black cartridge. There are no color cartridges to track on this mono machine, and no separate drum to order alongside it — the cartridge in the table above is the whole supply list.

What is the MICR version for?

MICR toner contains magnetic material that bank readers scan, which makes it the version to buy for printing checks. It fits the Phaser 3125 exactly like the standard cartridge; if checks are not part of your work, the ordinary black gives you the same everyday output.

Does one cartridge really fit this many Phaser models?

Yes. Xerox built a whole group of Phaser models around this single cartridge, and the complete list is linked at the bottom of this page. If your office runs more than one of those models, one shelf of cartridges can feed all of them.

How do I change the cartridge?

Open the front cover, pull the spent cartridge straight out, and unpack the new one. Give it a gentle rock to level the toner, remove the seal, then slide it into the slot until it clicks and close the cover. The whole job takes a couple of minutes and needs no tools.

More printers that use the same cartridges

The 106R01159 cartridge also serves these Phaser models:

Phaser 3117, Phaser 3122, Phaser 3124, Phaser 3124B, Phaser 3125B, Phaser 3125N