xerox phaser toner 3600 and 3250 can't find expiration date

[CherylO-Xerox]

Hi infoxerox,

Thank you for using the Support Forum. Please contact supplies or check out the supplies page at Xerox.com for additional information.  If this does not help please consider contacting your support centre for further assistance.

[infoxerox]

HI

I have Xerox Phaser 3600 and 3250  printers and there is no expiration date stamped on the box, neither a manufracturing date. Do these toners have e expiration date stamped on the box or everywhere else. How can I find when these toners have to expire?

thank you