These printers use the 815-7 cartridge:
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PitneyBowes-Imagistics 2030
PitneyBowes-Imagistics 2040
PitneyBowes-Imagistics 2050
PitneyBowes-Imagistics 9900
PitneyBowes-Imagistics 9910
PitneyBowes-Imagistics 9920
PitneyBowes-Imagistics 9930
PitneyBowes-Imagistics 9950
PitneyBowes-Imagistics 9990
Imagistics 2030
Imagistics 2050
Imagistics 9900
Imagistics 9910
Imagistics 9920
Imagistics 9930
PitneyBowes 2030
PitneyBowes 2050
PitneyBowes 9900
PitneyBowes 9910
PitneyBowes 9920
PitneyBowes 9930
Savin 2050
Siemens Fax 960 S