Kronos ZK ZKTeco X628 T4 Compumatic XLS Bio Replacement Fingerprint Optic Prism

Description

Replacement fingerprint optic for the following models (and others):
ZK Technology (ZKTeco) X628 and T4 (also sold by Kronos)
Compumatic XLS Bio (original model, not the v2 model)
This is an OEM replacement optic (glass prism) with a rubberized coating.  This optic was widely used in ZK fingerprint models with the "black & white" display.  If your current optic is scratched, hazy, or cloudy causing it to not read fingerprints then this replacement will help.  Installation complexity level is "moderate" and formal instructions are not available.