If the paper is not curled, go to the step 2). If the paper is curled, perform curl correction following the procedure below:[Reference]The tolerance of curl on the paper [1] that is delivered from copier host machine should be 10mm or less in regard to the height[a] of the curl, and the length of curl [b] should be 50mm or more.Even if the curl amount is within the aforementioned specification, the condition of spread glue may be affected by a small amountof curl due to the variation of elasticity of paper depending on paper type. If 1FA7 or 1FA9 jam occurs, it indicates the possibilityof paper curl. Check if the paper is curled.1-1) Select Additional Functions> System Settings> Paper Type Management Settings.1-2) Select the paper type to edit from the list and [Details/Edit].1-3) Press [Change] in [Curl Correction Level].1-4) Press [-] and [+] to adjust the correction level for printing in face-up/down modes respectively.Adjusting in opposite direction of warpage cancels curl out. Perform test copy or print with the paper after adjusting and checkthe corrected amount.[Reference]- When to see the direction of warpage on paper, place the sheet maintaining its orientation as delivered in the delivery tray.- Adjust in opposite direction of warpage on paper.2) Check the GLUING parameter on the service label affixed inside the front right door of Perfect BinderCheck the GLUING label parameter of the information at the time of shipment from factory from service label.18