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CloudToner
Lexm 503U Ultra HY Blk Toner

Lexmark ยท Black

50F3U0E cartridge guide

Lexm 503U Ultra HY Blk Toner

2 compatible printers 20,000 pages Updated 26 July 2026
Colour / typeBlack
Yield formatStandard yield
Estimated yield20,000 pages
AvailabilityIn stock at 26 July 2026
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Printer compatibility

Printers that use 50F3U0E

2 models

Let your printer tell you when.

See reported toner levels and get low-toner alerts from supported printers. Monitoring stays free, permanently, wherever you buy your cartridges.

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Useful answers

Frequently asked questions

Which printers use 50F3U0E?

2 compatible printer records are currently linked to 50F3U0E. The supplier-listed matches appear on this page.

What is the yield of 50F3U0E?

The supplier catalogue lists an estimated yield of 20,000 pages. Actual yield varies by page coverage and print conditions.

Can CloudToner monitor printers using 50F3U0E?

Monitoring depends on the printer and the data it reports. A cartridge match alone does not confirm monitoring support. Connect a supported network printer to see its reported levels and receive low-toner alerts.