
The manufacturer’s alpha-numeric code that identifies a printer ink cartridge or bottle. The code is used to connect compatible ink cartridges or bottles to compatible printers.
The code format is as follows: Brand, 2-3 letters, dash or space, 2-3 figure number. Vendors do not always use all these elements. Color and capacity are not included because this information is not needed to connect printers and cartridges.
These Epson DURABrite Ultra T220520-S cartridges feature DURABrite ink that is smudge-, water- and fade-resistant to create professional-looking, long-lasting pictures. The quick-drying design lets you handle your prints without worry.
A: I gave up on this ink. Not worth the hassle and wasted money.
A: I suggest you buy the 220XL if you print mostly black documents.
A: I don't know if it is compatible with the 4020. Information should be with your printer.