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. 2019 Feb 20;6(2):021602. doi: 10.1117/1.JMI.6.2.021602

Table 1.

Toner ingredients of the investigated laser printers from five different vendors.

Ingredients Concentration (%)
HP P3005X Kyocera M 3540idn Ricoh Pro 8100S Samsung ML-2525W Xerox Phaser 4600
Polymer resin <55 40 to 50 >80 >88 75 to 85
Carbon black <15 <4 1 to 6
Iron oxide <50 35 to 45
Wax 1 to 5 <10 <3 1 to 5
Silica <3 <2 1 to 10 <2 1 to 3
Titan oxide <1 0.1 to 1 1 to 3