Collection: LEXMARK MS / MX 531, 532, 631, 632 TONER CARTRIDGES

AVAILABLE TONER OPTIONS & COMPATIBILITY 66S1000 – Standard Yield Works in: MS531dw MX532adwe 66S1H00 – High Yield (28.4K pages) Works in: MS531dw MX532adwe 66S1X00 – Extra High Yield (31K pages) Works in: MS631dw MS632dw MX632adwe IMPORTANT NOTES: 66S1000 and 66S1H00 are NOT compatible with MS631, MS632, or MX632 printers. 66S1X00 is NOT compatible with MS531 or MX532 printers. If you are unsure which printer model you have, please contact us before ordering.