This is a NEW OEM Epson Maintenance Kit - Ink / Toner Waste Assembly that originally shipped with the following Epson printer(s): WorkForce Pro WF-5623, WorkForce Pro WF-5690, WorkForce Pro WF-R6590, WorkForce Pro WP-4010. No Chip Reset is necessary with this part. This part DOES come with installation instructions. This is NOT a generic or knock off Maintenance Kit - Ink / Toner Waste Assembly. If you do not see your model number listed above, please send us a message so we can assist you in selecting the correct part!