Lexmark X646EF Printer

Compatibility information for Lexmark X646EF, based on current official Lexmark US manufacturer information for this model.

Product details

Brand: Lexmark
Model number: X646EF

About this compatibility information

MatchMeThis is an independent compatibility research project. The information is provided for reference and may be incomplete or change over time.

Records are linked to their available source context. They document research observations and do not recommend a product, seller or transaction. Model numbers, item codes and regional variants may differ between markets.

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Compatibility intelligence

Parts listed for this product

Every listing includes its provenance and evidence strength. A listing is evidence, not a fit guarantee.

Search within 1 compatible parts

1 cited sourceInformation-only project

Consumables

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ConsumablesOriginalEvidence-backed compatibilityStrong evidence · 95/100

Toner

Lexmark X646 32K Print Cartridge

Genuine Lexmark item X644X21A verified from official manufacturer evidence.

Manufacturer article number: X644X21A

Why is this listed?

Primary evidence source shown directly · Model-specific · US

Strong evidence · 95/100

Automatically promoted from fully certified official Lexmark evidence.

manufacturer listingSource: LexmarkUS · en

Lexmark lists X644X21A for the X646EF model.

Open source ↗Verified 2 Aug 2026

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