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# Scanner Problems

This section describes scanner problems and possible solutions.

Problem | Solution
--- | ---
The machine does not start scanning. | The ARDF/ADF or its cover is open. Close the ARDF/ADF or its cover.
The scanned image is dirty. | The exposure glass or ARDF/ADF is dirty. See Cleaning. Before placing originals on the exposure glass, make sure that toner or correction fluid is dry.
The scanned image is distorted or out of position. | The original was moved during scanning. Do not move the original during scanning.
The scanned image is upside down. | The original was placed upside down. Place the original in the correct orientation. See Placing Originals.
The scanned image is blank. | The original was placed with the front and back reversed. When using the exposure glass, place originals copy side down. When using the ARDF or ADF, place originals copy side up. See Placing Originals.
The scanned image comes out too light. | Low room temperature may have caused the machine to scan originals unclearly. Selecting [Long] for [Scan Warm-up Time] under system settings may help to improve the scanning quality. See System Settings.
The scanned image is too dark or too light. | Adjust the image density. See Adjusting image density.
The Scan to E-mail, Scan to FTP, or Scan to Folder function does not work. | Check if a USB flash disk is inserted into the machine. If a USB flash disk is inserted, scanning functions other than Scan to USB are not possible from the control panel.