Microplate Barcode Labeler User Guide - Agilent Technologies

Chapter 7: Using the VCode’s bar code reader
VCode User Guide
145
Positioning the bar code reader
Introduction
After attaching the bar code reader to the VCode you need to position it
and tighten it down. How to do this is described in this topic.
Required tools
To position and tighten down the bar code reader, you will need 2.5-mm
and 4-mm allen wrenches.
Laser warnings
!! INJURY HAZARD !! Class 2 laser hazard. Looking directly at
the laser light may seriously damage your eyes.
!! INJURY HAZARD !! Do not disassemble bar code reader sensor
heads. Laser emission from the reader is not automatically stopped
if the sensor head is disassembled.
!! INJURY HAZARD !! Unless following a procedure in a
Velocity11 user guide, do not touch the white TEST button on the
side of the bar code reader sensor head. This button turns on the
laser creating the possibility of a long exposure to the light.
Targeting the laser
on the label
To target the laser light on a label:
1. Put the type of plate that you want to read on the plate stage.
2. Move the stage to the bar code angle teachpoint.
3. Make sure that the plate stage is in the correct vertical position for
the type of plate.
4. Press and hold the white button labelled “TEST” on the side of the
reader for about 4 seconds.
When you release the button the green light next to the label “LASER
ON” should remain on.
TEST
LASER ON
00179
00179
Vcode
reader button press
5. Examine the position of the laser lines in relation to the plate label.
6. Adjust the fore-aft position of the bar code reader bracket:
If you are only reading bar codes on one side of the plate or bar
codes on two, opposite sides of the plate your goal is to have as
many lines crossing the bar code as possible, so move the bar
code reader bracket as far forward as possible.