To configure Category Printing:
 
Step 1: Visit Setup > Location Setup.
Step 2: Select the location at which you want to configure category printing.
Step 3: Click on Printer & Peripheral Settings > Print Settings.
Step 4: Click on Category Printing.
Step 5: Click on Edit against the category and select the checkboxes against the slips that you want that particular category to print on. Please note, in this scenario, the Invoice and Invoice Copy should always be unchecked.