Roland VersaEXPRESS RF-640 Service Notes page 143

Connect the Linear Encoder Board Cable and the Head Up
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Down Sensor Cable to the Print Carriage Board.
Fix the Print Carriage Board with the four screws shown in
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the fi gure.
Connect all Head Ribbon Cables to the Print Carriage Board.
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Fix the Print Junction Cover with the two rivets shown in the
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fi gure.
Print Junction Cover
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