Manufacturer Part Number SL450. It’s compatible the following printers, it includes but not limited to: 2054A, GK420T, GX420T, GX430T, GK420D, GC420D, GC420T, GX420D, LP2824, LP2844, LP2442, TLP2844, ZP450, LP2442, LP2443, LP2642, LP2742, LP3642, LP3742, TLP3842, TLP3844Z, R402, T402, G Series.
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