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. Author manuscript; available in PMC: 2015 Aug 12.
Published in final edited form as: Curr Protoc Chem Biol. 2010 Mar 1;2(1):37–53. doi: 10.1002/9780470559277.ch090228

Figure 2. Inspection of pins prior to printing.

Figure 2

Magnified views of the pins are shown. The full length of the pin should be inspected for any debris that may clog the channel. A clean pin is free of debris throughout its channel and near the pin tip.