If a check box is FALSE, the value is zero. If a check box is TRUE, the value is "Not Zero". Therefore, a TRUE check box can be -1, 100, 54.2, -21.87, ...
In your case, you can the sum of the Machine1 field will be -1 (TRUE). So you can use a totals query.
Here is the query:
Code:
SELECT Sands.Number, Sands.desc, Sands.Parameter1, Sands.Parameter2, Sands.Parameter3, Sands.Parameter4, Sum(Sands.Machine1) AS SumOfMachine1, Sum(Sands.Machine2) AS SumOfMachine2, Sum(Sands.Machine3) AS SumOfMachine3, Sum(Sands.Machine4) AS SumOfMachine4
FROM Sands
GROUP BY Sands.Number, Sands.description, Sands.Parameter1, Sands.Parameter2, Sands.Parameter3, Sands.Parameter4;
****Change the table name to your name.
Also, "Number" is a reserved word in Access and shouldn't be used as object names.
(Here is a list of reserved words http://allenbrowne.com/AppIssueBadWord.html )