HP Color LaserJet MFP M775D Toner Cartridges

Color LaserJet MFP M775D

Duplex printing came standard on the HP Color LaserJet MFP M775D, the two-sided wide-format MFP — offices producing large documents saved paper automatically, on both faces of A3 sheets. It uses HP 651A toner: black CE340A alongside cyan CE341A, yellow CE342A and magenta CE343A, four cartridges that are replaced individually as each one empties.

The D in this model is about paper, not toner — automatic two-sided printing changes how much paper a department buys, while the toner story stays the shared M775 one. What duplex does change is volume behavior: long documents become cheaper to run, so departments run more of them, and a long two-sided report still lays toner on every printed side. Expect black to lead consumption on document work, with the colors following the department's chart and presentation load.

Toner Cartridges for Color LaserJet MFP M775D

Stocked for this model, in shelf order:

CE340A — the black cartridge (page yield: see product page)
CE341A — the cyan cartridge
CE342A — the yellow cartridge
CE343A — the magenta cartridge
HP 651A complete 4-color set — all four in one box
MFP M775D 4-color set — the set listed under this model's own name
CE343A magenta — a second single listing

This shelf also carries a high-yield black under the CE390X code, listed for the Enterprise 700 line. The documented cartridges for the M775D are the 651A four above; order by the code printed on the cartridge you remove. The remaining listings wear the family's variant names:

Which cartridge should you buy?

Duplexing halves paper, not toner, so buy toner on the same logic as the rest of the family: singles for the color that is actually empty, the black 2-pack listings as the standing spare for a busy department, and the full set when the cabinet is being restocked or several levels fall together. If your M775D shares an office with a plain M775 or an M775F, one pool of 651A spares serves all of them — the codes do not change across the variants. Resist the urge to stock by the listing's model name; the code on the cartridge is the only label that matters. These compatible cartridges come with a 1-year warranty and 1-year returns.

Chip, toner and everyday use

The supply gauges on this machine are chip-driven, one per cartridge, so the panel tells you which of the four is low long before print quality argues about it. When you install a replacement, take the seal out in one clean pull, seat the cartridge fully, and allow the calibration to complete — a two-sided test page is a good first job, since it exercises the duplex path and shows both faces clean. Keep spares sealed in a cool drawer; heat and sunlight shorten a stored cartridge's good temper. And when a cartridge at the end of its life starts printing pale, a gentle side-to-side rock redistributes the toner for a short encore while the new one is on its way.

Frequently Asked Questions

Which toner cartridges are compatible with the Color LaserJet MFP M775D?

Look for the exact codes CE340A, CE341A, CE342A and CE343A — one black and three color cartridges from the HP 651A family. Sticking to these codes guarantees a proper fit and correct recognition in the machine.

Can the MFP M775D scan and copy documents?

Yes — it is a multifunction unit, so it prints, copies and scans in one machine. Use the scanner glass or the automatic document feeder to copy or scan straight from the control panel; copying consumes toner just as printing does.

Does duplex printing change which cartridges I buy?

No. The duplexer turns the paper over; it does not change the toner. The M775D takes the same four 651A codes as the rest of the M775 family — two-sided printing saves paper, and every printed side still uses toner at the usual rate.

Where can I download drivers for the MFP M775D?

HP publishes drivers for this model on its official support site — search the model name there and pick the package for your operating system. On many systems Windows and macOS install a working driver automatically over USB or network for older models like this one.