Independent guide for compatible ink and toner. Manufacturer names identify compatibility only.
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Compatible cartridge

Brother LC21BK Black

Compare retailer prices, replacement numbers, specifications, and compatible printer models for this Brother ink.

ReplacesLC21BK
ColorBlack
Yield750 pages
Pack1 piece
Printers12 models

Price comparison

Compare offers for Brother LC21BK Black

Use these retailer links as a starting point, then confirm the cartridge number, color, yield, pack size, stock, and final checkout terms on the merchant site.

RetailerPriceOffer
CompAndSave
$2.99Buy now
Amazon
Check priceSearch Amazon

Paid links: merchant prices, availability, shipping, coupons, returns, and product selection can change after you leave InkToYou. Confirm the exact cartridge number and printer model on the merchant site before checkout.

Compatibility check

Compatible printers for Brother LC21BK Black

Confirm your exact printer model before checkout. Similar model names can use different cartridges.

Brother IntelliFax 1800cBrother MFC-580Brother MFC-590Brother MFC-880Brother MFC-890Brother MFC-3100CBrother MFC-3200 JBrother MFC-3200CBrother MFC-5100 JBrother MFC-5100CBrother MFC-5200 JBrother MFC-5200C
Brother LC21BK Black compatible ink

Specifications

Brother Compatible LC21Bk Black Ink cartridge (LC21 Series)

Brother LC21BK Black is a compatible replacement supply for Brother printers. Review the specifications, replacement numbers, and compatible models before checkout.

Replaces OEM #
LC21BK
Color
Black
Capacity
Standard
Ink volume
25 ml
Approx. page yield
750
Cost per page
0.4 cents
Pieces
1
Shelf life
18-24 months

Volume pricing may start at $4.84 each when ordering 3 or more. Confirm final pricing with the retailer.

Fitment summary

What to confirm before buying

Brother LC21BK Black is a 1-piece Black ink with an approximate 750-page yield for compatible Brother printers. It is listed as a replacement for LC21BK. Compatible printer examples include Brother IntelliFax 1800c, Brother MFC-580, Brother MFC-590, Brother MFC-880.

Before ordering, confirm the cartridge number, color, capacity, page yield, and replacement OEM number against your current cartridge or printer manual. Similar cartridge families can have different chips, regions, or yields.

Key details

Key details for Brother LC21BK Black

Replacement numbers
LC21BK
Approx. yield
750 pages
Capacity
Standard
Pack size
1 piece
Example printer fits
Brother IntelliFax 1800c, Brother MFC-580, Brother MFC-590, Brother MFC-880

InkToYou is not affiliated with Brother. Brand names, model names, and OEM numbers are used only to identify compatible supplies.

Same family

Other products in Brother LC21

Family

Brother LC21

Return to the cartridge family for related colors, yields, and pack options.

FAQ

Brother LC21BK Black questions

Will Brother LC21BK Black work with my printer?

Check your exact printer model before checkout. InkToYou shows 12 compatible printer models for this product.

Is Brother LC21BK Black an OEM cartridge?

No. InkToYou lists independent compatible replacement supplies. Brother names are used only to describe compatibility.

What should I compare before buying Brother LC21BK Black?

Compare replacement OEM number, color, capacity, page yield, pack size, and compatible printer models.