Check the status of the staple cartridgesIntroductionThe stacker/stapler is the output location that can staple printed documents before these aredelivered into an output tray. Before each of the following output trays, 2 staplers are present:• The upper tray.• The lower tray.• The booklet tray (optional).The booklet tray is only available when your stacker/stapler is equipped with the optionalsaddle stitch unit.When all the staple cartridges are sufficiently filled, the staple icon in the dashboard is blue.When the staple icon in the dashboard is orange or red, one of the staple cartridges is empty oralmost empty. You must refill the staple cartridge as soon as possible.To find out which staple cartridge is empty or almost empty, you must go to the [Printer] sectionof the [System] view. The icon for the staple cartridge that must be refilled is orange or red.NOTEEven when the staple icon is blue, you can still go to the [System] view to check the number ofstaples that has been used since the last refill.The colors of the staple iconThe colors of the staple iconStaple icon DescriptionA blue staple icon indicates that all the staple cartridges contain suffi-cient staples.An orange staple icon indicates that one of the staple cartridges is al-most empty.A red staple icon indicates that one of the staple cartridges is empty.The printer stops when a job requires staples from the empty staplecartridge.Check the status of the staple cartridgesChapter 3 - Use the stacker/stapler 21Canon Finisher-AK1/Saddle Finisher-AK2/Puncher Unit-BT1/BU1Operation Guide Finisher-AK1, Saddle Finisher-AK2, Puncher Unit-BT1-BU1: VarioPrint (VP) 110, VP120, VP135 - Edition 2013-06