- 1 -imagePRESS SeriesAbout Optional Units EnglishThis document provides a list of new optional units and describes their functions.For details, refer to the User’s Guide for each optional unit available on the online manual website.The types of optional units may vary in different countries or regions. Inspection UnitWith the Inspection Unit connected, the quality of your prints can be inspected automatically based on the standard imageand settings.• In order to use the Inspection System, you need a separate Inspection Tool.• Depending on your printer model, you may need to connect a separate Cooling Unit in order to use the InspectionSystem. Cooling UnitWith the Cooling Unit connected, you can cool the printed paper sheets. By cooling the paper sheets, you can preventthem from sticking together, increase the stacking capacity of the finisher/stacker, and reduce curling caused by the heat.• Depending on the type of paper you use, you may not be able to increase the stacking capacity of the finisher/stacker. Sensing UnitWith the Sensing Unit connected, the image position, colors, and other settings can be adjusted automatically.• Depending on your printer model, you may need to connect a separate Cooling Unit in order to use the Sensing Unit.USRMA-6716-00 2021-03 Copyright CANON INC. 2021