This service manual provides useful information to help service personnel to understand, troubleshoot, service, maintain and repair the Hematology Analyzer. All replaceable parts or units of this instrument and its optional units are clearly list with exploded illustration to help you locate the parts quickly. The maintenance must be periodically performed because the instrument has fluid paths and precision parts. Accordingly, the user is responsible for performing the periodic maintenance. The “maintenance” chapter in this service manual describes the maintenance that should be performed by the qualified service personnel. The “maintenance” chapter in the user manual describes the maintenance that can be performed by the user