HL-L9310CDWTT

When reloading trays is the bottleneck rather than print speed, the Brother HL-L9310CDWTT is the answer — the highest paper-capacity factory bundle in its family, a 33 ppm engine fed by a tower of trays over Gigabit Ethernet, wireless, USB or NFC. With paper that deep, toner is the supply that actually runs out, so this page stocks the whole ladder in every slot: black as TN431BK, TN433BK, TN436BK or TN439BK from standard up to ultra high yield; cyan as TN431C, TN433C, TN436C or TN439C; magenta as TN431M, TN433M, TN436M or TN439M; and yellow as TN431Y, TN433Y, TN436Y or TN439Y. Those sixteen codes belong to four family roots — TN431, TN433, TN436 and TN439 — and every cartridge prints over the DR433CL drum unit. Yields climb from about 3,000 pages (standard black) and 1,800 (standard color) through 4,500/4,000 at high yield and 6,500 at super high yield to about 9,000 pages a cartridge at the ultra tier.

A bundle like this is bought by print rooms and back offices where the printer effectively never gets a quiet moment. In that environment the cartridge question stops being 'which fits' — all sixteen codes fit — and becomes 'which combination keeps the machine sealed longest between openings'. The honest answer is different per slot: the colors a room prints heavily deserve the top rungs, the quiet colors can ride a tier lower, and the whole arrangement only works if reordering is mechanical. This page exists to make it mechanical: every slot, every tier, in compatible and genuine Brother form.

Toner Cartridges for HL-L9310CDWTT

TN431BK — Black, compatible — ~3,000 pages
TN431C — Cyan, compatible — ~1,800 pages
TN431M — Magenta, compatible — ~1,800 pages
TN431Y — Yellow, compatible — ~1,800 pages
TN433BK — Black, compatible — ~4,500 pages
TN433C — Cyan, compatible — ~4,000 pages
TN433M — Magenta, compatible — ~4,000 pages
TN433Y — Yellow, compatible — ~4,000 pages
TN436BK — Black, compatible — ~6,500 pages
TN436C — Cyan, compatible — ~6,500 pages
TN436M — Magenta, compatible — ~6,500 pages
TN436Y — Yellow, compatible — ~6,500 pages
TN439BK — Black, compatible — ~9,000 pages
TN439C — Cyan, compatible — ~9,000 pages
TN439M — Magenta, compatible — ~9,000 pages
TN439Y — Yellow, compatible — ~9,000 pages

Further stocked listings — multipacks, color sets and more:

Which cartridge should you buy?

Build the ladder per slot from your own output. Read the machine's counters, see which colors actually drain, and put those slots on TN439 — about 9,000 pages a cartridge is the longest leash this family offers, and on a machine with this paper capacity it is the tier that keeps human visits rarest. Slots that drain slowly can sit on TN433 or even TN431 without consequence; a yellow that takes six months to empty gains nothing from the ultra tier but shelf cost. TN436, at about 6,500 pages in every color, is the middle settlement and the most common standardization choice for rooms that want one tier everywhere. All sixteen cartridges are stocked here in singles, sets and multipacks, so the per-slot plan you choose is the plan you can actually keep supplied.

Chip, toner and everyday use

On a printer that runs this long between visits, treat the toner-level display as a rounds checklist: each cartridge chip reports its own remaining life, and a swap planned at 'low' beats a swap forced at 'empty' in the middle of a tower-fed batch. Ratings assume 5% coverage; print-room work — forms, statements, booklets — typically covers more, so expect real yields to land short of the label and size your safety stock accordingly. A fading cartridge can be rocked gently to level its remaining toner and finish a job, but on this class of machine that trick is a bridge to the scheduled swap, not a strategy. Keep the deep spares sealed, flat and away from sunlight.

Frequently Asked Questions

What toner does the Brother HL-L9310CDWTT use?

The full four-tier ladder: TN431 standard, TN433 high yield, TN436 super high yield and TN439 ultra high yield, each in BK, C, M and Y codes, over the DR433CL drum unit. This page stocks all four tiers in compatible and genuine Brother cartridges.

What makes the CDWTT different from the CDWT for supplies?

Nothing on the cartridge side. The CDWTT is the family's maximum paper-capacity bundle; the toner ladder, the codes and the drum are shared with the HL-L9310CDW and HL-L9310CDWT, so stock is interchangeable across all three.

Should every slot run the same tier?

Not necessarily. Tiers mix freely slot by slot, so heavy colors can run TN439 while quiet colors stay on TN433 — the printer neither knows nor cares. Standardize only where the convenience of one reorder code outweighs the savings of mixing.

Does this page sell the DR433CL drum?

The drum is the family's shared DR433CL unit; this model's stocked range concentrates on the toner ladder itself. When output shows streaks or repeating marks in every color at once, the drum — not any one cartridge — is the part to replace.