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Konica Minolta 7140 Supplies
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Toner Cartridges, Maintenance Kits and Parts
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Frequently Asked Questions
The 7140 uses a single toner cartridge, KNI 950414. KNI 950414 yields 20000 pages.
The KNI 950414 cartridge has an approximate yield of 20000 pages.
If your 7140 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 KNI 950414 or reach out to our support team.