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My Konica Minolta 4695MF printer appears to have developed a “Toner Detection Error” fault. The toner cartridge has been checked and shows no fault but the printer still indicates “no Yellow Toner” even when the chip was replaced on the cartridge. Does anyone know how I can fix this error please?

Hello, I have a few things you can try.

  1. Make sure that the installed cartridges are compatible with your printer and that they are unmodified
  2. Use the following items to clean the cartridge and carrier. Clean cotton swabs, lint-free cloth, or any soft material that will not come apart or leave fibers (coffee filters work well). Clean, distilled, filtered, or bottled water. Tap water might contain contaminants that could damage the cartridge. CAUTION: Do not use platen cleaners or alcohol to clean the cartridge contacts. These can damage the cartridge or the printer.
  3. Factory reset the printer, sorry i do not have the steps for this.
  4. Replace the problem cartridge. Hope this helps , Good luck.