AP Blot - SERVICE MANUAL
SECTION 3
MAINTENANCE PROCEDURES
Doc. N° MDS-AP-26-00-02
Rev.01
Date: 02.04.2009
Page 43
3.5. Z1 - Z2 AXIS
3.5.1. DESCRIPTION OF HOW IT WORKS
3.5.1.1.
Z1 - Z2 axis movement mechanism
FUNCTION OF
Z
1
AXIS
(dispensation)
Z
1
Axis moves the dispensation probe up and down over the instrument work area. This movement is driven by a step
motor (1) with a pinion mounted on its shaft (2) that transmits the movement to the carriage (3).
The optical sensor, by means of the carriage encoder (4), detects the probe End line (“home”) position.
FUNCTION OF
Z
2
AXIS
(aspiration)
Z
2
Axis moves the aspiration probe up and down over work area.
The movement is driven by a step motor (1) with a pinion mounted on its shaft (2) that transmits the movement to the
carriage (3).
The optical sensor, by means of the carriage encoder (4) detects probe home position.
The camera is mounted on back plate and is used to acquire images.
Asse Z
1
Asse Z
2
1
2
3
4
4
1
2
3
