Source Technologies ST9921 Supplies
Toner Cartridges, Maintenance Kits and Parts
3 Items
Source Technologies STI-204516
Genuine MICR Toner Cartridge Standard Yield, 5000 pages
Source Technologies STI-204516H
Genuine MICR Toner Cartridge Standard Yield, 15000 pages
Source Technologies STI-40S0070
Genuine Toner Cartridge Standard Yield, 45000 pages
Frequently Asked Questions
The ST9921 uses SRT STI-204516, SRT STI-204516H, SRT STI-40S0070 toner cartridges. SRT STI-204516 yields 5000 pages; SRT STI-204516H yields 15000 pages; SRT STI-40S0070 yields 45000 pages.
SRT STI-204516 prints 5000 pages, SRT STI-40S0070 prints 45000 pages.
The SRT STI-40S0070 cartridge has an approximate yield of 45000 pages.
Yes — MICR (magnetic) toner is available: SRT STI-204516, SRT STI-204516H.
The "Supply Problem" notice on the ST9921 is typically a recognition fault, not a defective cartridge. Start by turning the printer off for 30 seconds. Reseat the cartridge, clean its chip contacts with a dry cloth, then power back on. If nothing changes, the fix is a fresh SRT STI-40S0070.