Oki LP-1040 Maintenance Manual page 620

(14) When the operation panel displays Load the original., place the calibration document in
the portrait orientation, the direction noted in (d).
(15) Once the original document has been scanned, check that the file
4_MotorSpeedP120.bmp has been created in the scanner maintenance tool folder.
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When Finish is displayed, the
scan is complete.
With Portrait scanning, the document is
advanced in the arrow direction (d).