Do not use paper that has holes or is translucent at the BOF position. Do not use paper that has holes at the TOF sensor position or that has dark positions with low reflection (less than 40% reflection) on the back. 31.0 Form stopper position 18.9 38.5 18.0 Slip feeding roller position Paper insertion direction 15 24 Paper insertion direction Area where paper holes are prohibited and reflection rate for the back of paper should be 40% or more. Paper holes and translucence prohibited area. [Units: mm (All the numeric values are typical.)] 20 1.3 21.9 10 10