4x ECO toner for Lexmark T-640-TN T-640-DN T-640-N T-640-DTN T-642-TN T-642-DN - Economy series 4x4x printer cartridge black Compatible with Lexmark 64036he, with approx. 21,000 pages T 640 / t 640 DN / T 640 N / T 640 TN / T 642 / T 642 DTN / T 642 N / T 642 TN / T 644 / T 644 DTN / T 644 N / T 644 TN T 640 / t 640 DN / T 640 N / T 640 TN / T 642 / T 642 DTN / T 642 N / T 642 TN / T 644 / T 644 DTN / T 644 N / T 644 TN Also compatible with the following printers from other manufacturers: UDS Series: UDS 544 N 11 / UDS 540 / UDS 544 / UDS 540 N 11 Also compatible with Allen printers who use the above -mentioned products according to the manufacturer or operating instructions. 4x ECO toner for Lexmark T-640-TN T-640-DN T-640-N T-640-DTN T-642-TN T-642-DN - Economy series has been teste.
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