SKU:

MFC-9450CDN

Printer Brand:

Brother

OEM Number:

TN115BK, TN115C, TN115M, TN115Y

Ink Color:

Black, Cyan, Magenta, Yellow

Page Yield:

Black:5,000, Color:4,000

Printer Type:

Laser Cartridge

Condition:

New Compatible

Frequently Asked Questions

Our MFC-9450CDN produces double-sided documents all day — what is our true toner cost per document?

Count sides, not sheets. This TN115BK is rated 5,000 pages at $44.92, so toner costs about 0.90¢ per printed side; a ten-page report duplexed onto five sheets still carries roughly 9¢ of black toner. Document-heavy offices that model cost this way find the high-yield cartridge is what keeps per-document figures low and stable.

What printers take this cartridge?

It is compatible with the TN115 platform: DCP-9040CN, DCP-9045CDN, HL-4040CDN, HL-4040CN, HL-4070CDW, MFC-9440CN and MFC-9450CDN

Does the network connection affect how the printer uses toner?

No — networking only decides who can send jobs. Every workstation's black pages draw on this same TN115BK, which is why a shared, document-heavy machine benefits most from the 5,000-page size: the aggregated demand of the office lands in one place.

How do color documents factor into our supply budget?

Color pages draw mainly on the TN115C, M and Y cartridges at 4,000 pages each, each replaced individually. In a document office those turn over slowly, while black turns over constantly — budget black as a recurring line and colors as occasional ones. When both converge, the TN115 four-color set ($127.02) covers a full renewal.

Would the standard TN110BK save us money instead?

Its shelf price is lower but its yield is 2,500 pages — half — so per-page cost is higher and changes are twice as frequent. For an MFC-9450CDN in daily document service, the TN115BK's math wins on both counts.

What protection does the cartridge carry?

One-year warranty and one-year free returns, per the shipping and returns page. Stock ships from warehouses in IL, PA, GA or CA; support hours are 9 AM–5 PM CST.

Our reports carry charts and shaded tables — does that change the per-document math?

Somewhat. The 5,000-page rating for the TN115BK assumes typical document coverage, and dense shaded tables or solid chart elements lay down more toner per side than plain paragraphs. Your duplexed reports will still cost close to the roughly 0.90¢ per side figure, but document sets heavy on graphics will land a little above it — worth knowing when you cost out a big recurring report run.

A long print run is fading near the end — can we finish it without swapping cartridges?

Usually, yes. Pause the job, take the TN115BK out and rock it gently from side to side several times; this levels the remaining powder across the cartridge and typically brings back even density for the rest of the run. Treat that as a bridge, not a fix — output that needs rescuing this way is the cartridge telling you its 5,000 pages are nearly spent, so order the replacement the same day.

When is the right moment to reorder for a machine that never stops?

When the spare goes in. For an MFC-9450CDN in all-day document service, the working pattern is one TN115BK installed and one sealed on the shelf; the day the shelf spare enters the machine is the day its replacement gets ordered. That rhythm keeps two cartridges in rotation at all times, so neither a fading cartridge nor a delivery delay can stall the office's output.

How should that shelf spare be stored between rotations?

Flat, sealed in its box, in a cool dry cabinet away from windows and heat vents. The toner inside is a stable dry powder, so a TN115BK stored this way is at full strength whenever the rotation reaches it — whether that is in three weeks or several months. Marking the install date on each box as it goes in quietly builds the usage record that makes future budgeting for this machine almost exact.

About This TN115BK for the MFC-9450CDN

Document offices think in cost per file, per matter, per report. This TN115BK gives that thinking a dependable constant: 5,000 pages at about 0.90¢ each, feeding a duplexing, networked machine that never sees a light day. It is the black supply sized to the MFC-9450CDN's appetite — the wider family is listed under Brother toner.