Luminex MAGPIX Installation and Hardware User (IVD) - Manual (Page 81)

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Troubleshooting Procedures
TABLE 9. Types of Dot Plots
Appearance Description Possible Problem Solution
Normal Bead Grouping
MagPlex verifiers
form a tight bead
population within
the boundaries of
the white region.
Irregular Bead Grouping: Photobleached Microspheres vs. Out-of-Calibration Instrument
MagPlex verifiers
are outside of their
region (above or to
the right). Instrument is out of
calibration. Recalibrate
and verify.
MagPlex verifiers
are outside of their
region (below or to
the left). MagPlex
calibrators are
photobleached. Recalibrate
with new
MagPlex
calibrators and
verify.