Lexmark 503, 503H, 503X & 503U Toner Cartridges
Lexmark 503, 503H, 503X and 503U toner cartridges cover page capacities from a standard 1,500 pages up to 20,000 pages for Lexmark MS series mono laser printers. We stock both genuine Lexmark toners and affordable compatible options for your office setup. Backed by our 4.8 Google Star rating, our customers rely on us for dependable print supplies and quick delivery.
Printers Compatible with Lexmark 503, 503H, 503X & 503U Toner Cartridges
Expected page output and replacement cycles
Yields for the Lexmark 503 series follow ISO/IEC 19752 coverage standards, ranging from 1,500 pages on standard 503 cartridges up to 20,000 pages on 503U variants. In daily office use, your actual page yield depends on print job length, text density, font size and page coverage.
| Cartridge Number | Type | Colour | Page Yield | Cost Per Page |
|---|---|---|---|---|
| 503 | Standard | Black | 1,500 | $0.076 |
| 503H | High Yield | Black | 5,000 | $0.055 |
| 503X | Extra High Yield | Black | 10,000 | $0.041 |
| 503U | Extra High Yield | Black | 20,000 | $0.029 |
Cost Per Page = Total Cartridge Price ÷ Page Yield (at 5% coverage). Prices based on Genuine cartridges.
Genuine vs compatible Lexmark toner cartridges
Opting for compatible 503H cartridges reduces printing costs while maintaining crisp text output for everyday workplace documents. Under Australian Consumer Law, using compatible supplies won't void your printer warranty. Check our genuine vs compatible cartridges comparison guide to see how they stack up on cost, print quality and reliability.
Selecting the correct toner capacity for your workplace
Offices printing routine text documents in high volume can cut down cartridge swaps by moving from standard 503 or 503H cartridges to high-capacity 503X or 503U options. Compatible 503H toners offer further savings and include a money-back guarantee under our returns policy. Order your Lexmark toner cartridges today for fast dispatch from local warehouses across Sydney, Melbourne, Brisbane, Perth, and Adelaide. Orders over $99 qualify for free delivery.
Pro Tip
Ultra-high-yield 503U (20,000 pages) and extra-high-yield 503X (10,000 pages) cartridges fit specific higher-end MS printers, including the MS510 and MS610. Entry models like the MS310 or MS312 only accept standard 503 and 503H cartridges. Check your printer manual or model specifications before buying higher-capacity variants.
Match Your Printing Habits to the Right Lexmark 503 or Lexmark 503H or Lexmark 503X or Lexmark 503U Toner Cartridge Pack
If only one colour has run dry, there's no need to replace the rest - a single Genuine 503 cartridge (from $114.63) is the lowest-cost way to keep printing.
Watching the budget? Compatible cartridges match the fit and yield of genuine ink at a lower price, from $29.11 for a single 503H cartridge.
For maximum yield, the Genuine 503X Black Extra High Yield cartridge (from $411.66) offers the lowest cost per page of any option in this range and qualifies for free delivery.
Frequently Asked Questions
Does the Lexmark 503U cartridge work in all MS series printers?
No. Ultra-high-yield 503U cartridges are restricted to higher-end models like the MS510 and MS610 series. Models such as the MS310 or MS312 only accept 503 and 503H cartridges.
Why is there a significant price difference between 503H genuine and compatible cartridges?
Compatible 503H cartridges are manufactured by third-party producers without original brand margins, yielding identical 5,000-page output at a reduced purchase price.
Will high-yield 503X or 503U cartridges physically fit in the same slot as a standard 503 cartridge?
Yes, all 503 series cartridges share the same physical outer shell dimensions to fit the printer slot; the internal toner reservoir inside high-yield variants simply holds more toner powder.
Is 50F3H00 the same as 503H?
Yes, 50F3H00 is Lexmark's official OEM part number for the 503H high-yield Black toner cartridge, and both terms refer to the exact same cartridge.
