LJ Enterprise 700 Color MFP M775DN

LaserJet Enterprise 700 Color MFP M775DN printer

Duplex and network connections define the LJ Enterprise 700 Color MFP M775DN: the connected build of the wide-format MFP, placed on the department network so a whole floor shares two-sided A3 printing, scanning and copying from one machine. Its toner is the HP 651A series — CE340A for black, CE341A for cyan, CE342A for yellow and CE343A for magenta — four cartridges that deplete at four different rates.

A networked MFP is shared infrastructure, and shared infrastructure fails differently: when toner runs out, it is never one person's problem, it is the whole department's queue. That is the working reality the DN configuration lives in — jobs arriving from every desk, copies walking up throughout the day, and a supply routine that has to stay ahead of all of it. Two-sided printing is the other half of its appeal, keeping long A3 documents compact and paper spend down.

Toner Cartridges for LJ Enterprise 700 Color MFP M775DN

CE340A — the black cartridge; on a shared machine this is the one that empties first
CE341A — cyan
CE342A — yellow
CE343A — magenta
651A 4 Color Set — all four cartridges in one order (CE340A/ CE341A/ CE343A/ CE342A)
651A 4 Color Set, alternate listing — the same four cartridges under a second listing
651A 8 Color Set — two rounds of the three colors for heavy color use
700 Color MFP M775dn 4 Color Set — the model-named set for this configuration
CE343A Magenta, alternate single — a second listing of the magenta single
651A 3 Color Set (CE261A CE262A CE263A) — stocked on this shelf; read the note under this list before ordering it

The LaserJet Enterprise 700 Color MFP M775DN takes the CE340A series listed above, and that is the family to order from. One listing on this shelf needs a second look: the three-color set sold here under the 651A name carries CE261A, CE262A and CE263A codes, which come from a different HP family and do not belong in this printer. Always match the code on the cartridge you remove before treating any cartridge as its replacement.

Yields for each listing are printed on its product page; the table discipline on this shelf is "See product page" throughout.

Which cartridge should you buy?

For a machine the whole department depends on, the real choice is between reacting and stocking. Reacting means ordering the single the panel flags — usually the CE340A black — and accepting a day or two of a limping queue. Stocking means keeping a four-color set in the cabinet and treating singles as top-ups, which suits a networked MFP far better. Color singles remain the right buy when one color drops well ahead of the others, since the four cartridges never empty together. Every compatible option here comes with a 1-year warranty and 1-year returns.

Chip, toner and everyday use

On a shared machine, whoever swaps the cartridge is rarely the person who ordered it, so the swap itself has to be foolproof — and it is: front door open, old cartridge out by its handle, new one in until it clicks, door closed. The printer reads the new cartridge's chip as it calibrates, and the supply levels on the panel update for everyone. If a level looks stale from a workstation, check the machine's own panel first; it is the source the network reports from. Keep spare cartridges sealed and stored flat, and rock a fading cartridge gently to redistribute its toner before you condemn it.

Frequently Asked Questions

What toner does the M775DN take?

The HP 651A family: CE340A black, CE341A cyan, CE342A yellow and CE343A magenta. Match those four codes and the cartridge will fit this machine, whichever M775DN listing it sits on.

Does duplex printing change which toner the M775DN uses?

No. The duplex unit is paper handling, not imaging — the DN takes the same four 651A cartridges as every other M775. Two-sided printing changes how much paper you buy, not which toner you order.

The panel says a color is low but our prints still look fine. Swap now or wait?

Wait for the second warning, but order at the first. These cartridges report low well before they run dry, and print quality holds until the very end of the cartridge's life. On a shared machine the safe routine is simple: a low warning triggers the reorder, the empty warning triggers the swap.

Can the M775DN scan to the network as well as print from it?

Yes — it is a multifunction unit, so scanning and copying sit alongside printing in the same machine, worked from the control panel or the document feeder. None of that changes its supplies: scanning uses no toner at all, copying uses the same four cartridges as printing.