Epson WorkForce Enterprise AM-C4000 ink cartridge, magenta

Magenta is a base printing colour without which a printer can produce neither red nor purple. Mixed with yellow it gives reds and oranges, mixed with cyan blues and violets. The red of company logos, warning labels, pink design elements and human skin tones all depend on this cartridge. With too little magenta, reds turn orange and images look washed out.

The supplier's compatibility field reads WorkForce Enterprise AM-C4000, and no other models appear there. It is the same name carried by the Epson WorkForce Enterprise AM-C4000 printer. The similarly named AM-C400 cartridges are a different product, so before installing, make sure your printer's label shows four zeros.

Epson is listed as the manufacturer, so this is an original consumable rather than a third-party copy. The manufacturer's own cartridge is made for a printer of the same brand and keeps colours predictable. In a company that prints the same material again and again, the red needs to look identical in every run and must not shift after a cartridge change.

The cartridge holds magenta alone; cyan and yellow are separate AM-C4000 cartridges. So when red tones run out, you do not have to replace other cartridges that are still full. The page yield field in the supplier's data is empty (N/A), so consumption is best estimated from the printer's ink level and your usual print volume.

It is meant for users of the WorkForce Enterprise AM-C4000 printer who prefer original Epson ink. Keeping a magenta in reserve makes particular sense in offices that print lots of material with red logos, warning colours or portrait photos, as these use this ink the most.