Paper and MediaXerox ® WorkCentre® 7220/7220i/7225/7225i Color Multifunction Printer 59User GuideSetting the Guide Locks in the 500-Sheet Adjustable TraysYou can adjust the guides in trays 1–4 to accommodate standard or custom paper sizes. In the standardposition, the guides move into the supported standard paper settings. In the custom position, the guidesmove in 1 mm increments.To move the guide locks from the standard to the custom paper size position, do the following:1. Pull out the tray until it stops.Note: For best results, remove any paper from the tray, pinch the guide levers, and slide the guidesinward.2. Pry up the retainer with your fingertip, pulling the lower edge toward you.3. To engage the fine-adjustment block, pinch the levers and slide the guide lock to the left as shown.