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Toshiba TF451 Supplies
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Toner Cartridges, Maintenance Kits and Parts
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Frequently Asked Questions
The TF451 uses a single toner cartridge, TOS IF45. TOS IF45 yields 375 pages.
The TOS IF45 cartridge has an approximate yield of 375 pages.
If your TF451 displays a "Supply Problem" alert, it's almost always the cartridge chip not being read correctly — not a faulty cartridge. Switch the printer off for about 30 seconds, take the cartridge out and slot it back in firmly, then wipe the small metal chip contacts with a dry, lint-free cloth. Still showing the alert? Install a fresh TOS IF45 or reach out to our support team.