6-16 Echo Liquid Handler User Manual6.2.6 Clean the anti-static barsThe Echo liquid handler uses two anti-static bars to neutralize any staticcharge on the source and destination plates. The anti-static bars are justinside the process door, one right below and the other right above the dooropening.Over time and use the anti-static bars may accumulate dust or othercontaminants on their emitter pins and ground reference surfaces. Thisaccumulation could result in droplets being inaccurately ejected into thedestination plate wells (for example into the corners or onto the sides of awell). Periodic cleaning will maintain proper anti-static bar operation.Once a month, dry brush the anti-static bars using the following procedure:1. Turn off the Echo carriage motors by pushing the Emergency Off switch.2. Open the process door by clicking Door Open in the Diagnosticwindow.3. Turn off the anti-static bars by clicking Anti-Static Bars On in theDiagnostic window.4. Locate the two anti-static bars. See following figure.Figure 6.6 Anti-static bar location5. Gently clean the emitter points and ground reference surfaces on bothanti-static bars with a dry, soft-bristle, nylon toothbrush.Figure 6.7 Anti-static bar areas requiring cleaningNote: Leave the upper anti-static bar in either its raised or loweredposition—either position is OK.Upper anti-static barLower anti-static bar
