The program for the reset and programs chips based at88 ChipResetter - download - download for free
Supported models are available for firmware chip:
Samsung 3050, 5525, 5530, 3470,
XeroxPhaser 3300, 3428, 3435,
Dell 1815
Samsung SCX-4725,
Xerox Phaser 3200
Samsung ML-4550,
Xerox Phaser 3600
Samsung ML-1630/1631, SF 560/565, SCX-4500
Samsung ML-2850, CLX-8380,
Xerox Phaser 3250
Samsung CLP-660/610,
Xerox Phaser 3635
Samsung CLP-350
Use simple resetter Com-port based - link
Also can use unoversal programmator resetter chip printer on USB - link