Valley Office Systems - Idaho - Yes, your toner cartridges have an expiration date. While using it after its' expiration date won't make you ill, it can have ill effects on your
![What is ink or toner expiration and will it make HP OEM ink or toner cartridges stop working? | 123ink's Blog What is ink or toner expiration and will it make HP OEM ink or toner cartridges stop working? | 123ink's Blog](http://blog.123ink.ca/wp-content/uploads/2017/05/%E5%9B%BE%E7%89%872-1.png)
What is ink or toner expiration and will it make HP OEM ink or toner cartridges stop working? | 123ink's Blog
![What is ink or toner expiration and will it make HP OEM ink or toner cartridges stop working? | 123ink's Blog What is ink or toner expiration and will it make HP OEM ink or toner cartridges stop working? | 123ink's Blog](http://blog.123ink.ca/wp-content/uploads/2017/05/%E5%9B%BE%E7%89%871-1.png)
What is ink or toner expiration and will it make HP OEM ink or toner cartridges stop working? | 123ink's Blog
![Canon Knowledge Base - What does the date stamped on the outside of a Canon Toner Cartridge box mean? Canon Knowledge Base - What does the date stamped on the outside of a Canon Toner Cartridge box mean?](https://support.usa.canon.com/library/CANON/CITS_TECH_SUPPORT/BISG/DPIS/tonerdate.jpg)