123inkjets no longer carries cartridges for the Pitney Bowes Paragon E100 printer. As printer technology evolves and advances, older models become discontinued along with the cartridges they are compatible with. For this reason, most retailers won't be carrying products for this machine. In order to save time in the future, consider purchasing another printer that suits your needs. If you have any further questions, please feel free to call or email us. Thank you for your understanding regarding this matter.