58 2.HOW TO MAKE COPIES21. Setting OriginalsAcceptable originalsAcceptable originals are as follows.*1 Do not place any heavy objects (9 lb. or over) on the glass.*2 Some originals cannot be used depending on their paper quality.*3 Be sure to place ST-size originals in the landscape direction.Automatic size detection does not work properly when A/B or K format paper is used for printing.(K format is a standard paper size for China.)• Originals up to 100 sheets (9.3 to 20 lb.) or 0.62" in height can be placed on the Reversing AutomaticDocument Feeder (optional), regardless of their sizes.• When you copy a large number of landscape originals using the Reversing Automatic DocumentFeeder (optional), use the original stopper to prevent them from being scattered.Setting position Type of original MaximumsizeAcceptable sizes for automatic sizedetectionOriginal glass *1 Sheets3-dimensionalobjectBooksLength: 11.69"Width: 17.01"(Standard size)LD, LG, LT, LT-R, ST-RReversing Auto-matic DocumentFeeder (optional)*2 *3Plain paperRecycled paper1-sided originals:9.3 - 41.8 lb.2-sided originals:13.3 - 41.8 lb.Length: 11.69"Width: 17.01"(Standard size)LD, LG, LT, LT-R, ST-R, COMP