Sharp SF-2052 Operation Manual page 51

Maximum height line
Loading paper in paper trays 1 to 3
Gently lift and pull out the paper tray.
1
2 Fan the copy paper and insert it into the tray.
Each tray holds 500 sheets of paper.
Do not load paper above the maximum height line.
3 Push the paper tray firmly back into the copier.
PAPER
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