Stylus NX420
Epson's own Quick Guide for the Stylus NX420 names its two cartridge tiers in one table: Moderate-capacity 124 (for lighter use) and Standard-capacity 125. In numbers: 124 black (T124120) up to 190 pages and colors up to 175 each; 125 black (T125120) up to 230 pages and colors up to 305 each — DURABrite Ultra pigment ink throughout. Clever Supplies compatibles in both tiers are below, with new chips and a lifetime warranty.
| Cartridge | Type | Color | Approx. Yield |
|---|---|---|---|
| Epson T124120 (compatible) | Moderate-capacity pigment ink cartridge | Black | 190 pages |
| Epson T124220 (compatible) | Moderate-capacity pigment ink cartridge | Cyan | 175 pages |
| Epson T124320 (compatible) | Moderate-capacity pigment ink cartridge | Magenta | 175 pages |
| Epson T124420 (compatible) | Moderate-capacity pigment ink cartridge | Yellow | 175 pages |
| Epson 124 Set of 4 (compatible) | Full cartridge set, Moderate capacity | Black / Cyan / Magenta / Yellow | 190 black, 175 per color |
| Epson T125120 (compatible) | Standard-capacity pigment ink cartridge | Black | 230 pages |
| Epson T125220 (compatible) | Standard-capacity pigment ink cartridge | Cyan | 305 pages |
| Epson T125320 (compatible) | Standard-capacity pigment ink cartridge | Magenta | 305 pages |
| Epson T125420 (compatible) | Standard-capacity pigment ink cartridge | Yellow | 305 pages |
| Epson 125 Set of 4 (compatible) | Full cartridge set, Standard capacity | Black / Cyan / Magenta / Yellow | 230 black, 305 per color |
| Epson 125 Set of 9 (compatible) | Bulk cartridge set (3 Black + 2 Cyan + 2 Magenta + 2 Yellow), Standard capacity | Black / Cyan / Magenta / Yellow | 230 per black, 305 per color (per cartridge) |
Stylus NX420 Ink — 124 Standard, 125 High Capacity
The Stylus NX420 runs on individual DURABrite Ultra pigment cartridges in two mixable tiers. Standard capacity 124: black T124120 (up to 190 pages), cyan T124220, magenta T124320 and yellow T124420 (up to 175 pages each). High capacity 125: black T125120 (up to 230 pages), cyan T125220, magenta T125320 and yellow T125420 (up to 305 pages each). All yields are per ISO/IEC 24711, and the tiers mix freely — a standard black beside high-capacity colors is a normal configuration.
The NX420 is anchored by its own Quick Guide’s purchasing table, which lays out the two-tier system in full — 124 standard, 125 high capacity. The platform’s logic is written there as plainly as anywhere: cartridge shelf tables exist so an owner can price a tier before buying it, and this page reproduces that choice with both tiers stocked.
Which 124/125 should you buy?
- One 124 slot ran dry: the black, cyan, magenta and yellow singles in the 124 tier are $8.69 each — the moderate fill sized for lighter weeks, swapped into the single position that ran out first.
- All four 124 slots ran dry: the Set of 4 ($29.94) refreshes all four positions at the 124 tier — the moderate reset to buy when the whole set fades together.
- One 125 slot ran dry: the black, cyan, magenta and yellow singles in the 125 tier are $8.84 each — the standard fill sized for everyday volume, swapped into the single position that ran out first.
- All four 125 slots ran dry: the Set of 4 ($29.94) refreshes all four positions at the 125 tier — the standard reset to buy when the whole set fades together.
- 125 nine-pack for the shelf: the Set of 9 ($58.59) packs three blacks plus two of each color — the standard reserve that keeps a printer running daily supplied between orders.
Chip, ink and everyday use
The NX420's two tiers exist because printers like this run in two rhythms — light weeks and busy ones — and its chips have to keep up with both. Every cartridge carries a new compatible chip; handle it by the edges and do not touch the green chip contact, as this platform's own guides warn. Should a firmware update ever make the printer refuse a compatible chip, contact us; the lifetime warranty covers it. The ink is DURABrite Ultra pigment throughout. Epson's guides put an opened cartridge's working life at about six months, so keep spares sealed until install day.
More printers that use 124/125 ink
Stylus NX125 · Stylus NX127 · Stylus NX130 · Stylus NX230 · Stylus NX330 · Stylus NX430 · Stylus NX530 · Stylus NX625 · WorkForce 320 · WorkForce 323 · WorkForce 325 · WorkForce 435 · WorkForce 520