• The microchip surfaces are contaminated.
→If the surfaces are contaminated, rinse them.
Click here for "(MCE) Inspecting and Washing Microchip Reservoirs (manually)".
• Microchip flow channel positions are offset from the detector.
→If the microchips were rinsed manually, verify that they are positioned properly in the chip frame.
Click here for "(MCE) Inspecting and Washing Microchip Reservoirs (manually)".
• The objective lens is contaminated.
→Clean the objective lens.
Click here for "(MCE) Maintenance of Chip Stage and Objective Lens.