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ABI Prism® 7900HT Sequence Detection System ... - OpenWetWare

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Section: Maintaining the Plate Handler<br />

In This Section This section contains the following information:<br />

Automation Module<br />

Components<br />

Topic See Page<br />

Adjusting the Sensitivity of the Plate Sensor Switch 7-28<br />

Aligning the Plate Handler 7-32<br />

Aligning the Fixed-Position Bar Code Reader 7-40<br />

Cleaning and Replacing Gripper Finger Pads 7-46<br />

Refer to the figure below for the components discussed in this section.<br />

Plate stack<br />

Expansion stacks<br />

Zymark Twister Microplate Handler<br />

Fixed-position bar code reader<br />

Plate Stack Positions The Zymark Twister Microplate Handler alignment is performed using the Zymark®<br />

Twister Software. The software refers to the positions of the plate stacks differently<br />

than the Automation Controller Software. The following diagram lists the positions<br />

defined by the Zymark Twister Software and the Automation Controller equivalents.<br />

(front of instrument)<br />

2<br />

1<br />

3<br />

0<br />

4<br />

7<br />

5<br />

GR2014a<br />

6<br />

Plate-sensor switch<br />

(cross-sectional view of the gripper)<br />

Bar code<br />

Well A1<br />

Zymark Twister<br />

Software<br />

Adjustment<br />

knob<br />

Gripper<br />

Automation<br />

Controller<br />

Position 0 Output<br />

Position 1 (unused)<br />

Position 2 Instrument<br />

Position 3 (unused)<br />

Position 4 Stack 1<br />

Position 5 Stack 2<br />

Position 6 Stack 3<br />

Position 7 Stack 4<br />

<strong>System</strong> Maintenance 7-27

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