Epson WorkForce Enterprise AM-C550 ink cartridge, cyan

An inkjet printer does not keep separate blue or green ink; it mixes them from three primaries. Cyan is the blue part of that trio: on its own it gives a light blue, with magenta a deep blue or purple, with yellow a green. If your office prints a lot of material in corporate blue, cyan is often the first colour to run out.

The supplier gives WorkForce Enterprise AM-C550 as the product name, but the data for this cartridge contains no separate list of compatible printers. The name points in the right direction, yet it does not replace confirmation of the exact model. Before ordering, check the printer manual or display to see which cyan cartridge the machine uses.

Epson is listed as the manufacturer, so this is the printer maker's own cartridge, not a compatible version from another brand. In colour printing the shade of cyan affects both blues and greens, which makes consistent output easier with genuine ink. For whoever looks after the printer fleet, that means fewer surprises and consumables from a single maker.

Cyan has its own cartridge, so when it runs out there is no need to replace magenta or yellow. Colours are rarely used evenly in an office, and separate cartridges help avoid throwing away half-full ones. The supplier lists the page yield as N/A, so the right amount of stock is best judged from your own printer usage.

Companies or departments running a WorkForce Enterprise AM-C550 that print colour reports, proposals and presentations, especially where the brand colours are blue. It also suits buyers who keep genuine Epson cartridges in stock colour by colour. Before ordering, confirm in the manual that the device takes this cartridge.