3-2
Paper size detecting sensor
S1 S2 S4
Ledger/A3 ON OFF ON
Legal/B4 ON ON ON
Letter/A4 ON OFF OFF
Letter-R/A4R OFF ON OFF
Invoice/A5 OFF OFF OFF
(1) Detecting sheet bypass paper size
• The paper size for the sheet bypass is detected by a matrix of sheet bypass
paper size sensors which are installed on the sheet bypass tray.
• When setting the paper in the sheet bypass tray and adjusting the paper guide,
the matrix is as follows.
S1/S2
S4
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