Problem | Possible Solution  | 
Image quality is poor or  | Make sure that:  | 
has decreased  | • the scanner is clean. Refer to the Maintenance section.  | 
  | 
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The lamps shut off too soon  | The lamps in the i100 Series Scanners will turn off after 5 minutes of no scanner  | 
  | activity. If the lamps are off, but the scanner has not yet gone into sleep mode  | 
  | (default 15 minutes), there will be a delay of about 5 seconds for the lamps to  | 
  | warm up again.  | 
  | The default setting is 15 minutes, and if not changed to another value between  | 
  | 16 and 60 minutes, the lamps will turn off after 5 minutes of no scanner activity.  | 
  | If you set the timeout to a new value greater than 15 minutes, you must scan at  | 
  | least one document for that setting to be enabled. After this setting has been  | 
  | enabled, it will be enforced until a new setting is selected or the scanner is  | 
  | powered off and back on.  | 
  | 
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Documents are skewed  | Make sure that:  | 
during scanning  | • the document side guides are adjusted to fit the documents being fed.  | 
  | • documents are being fed perpendicular to the feed module.  | 
  | • documents are being fed in the center of the ADF.  | 
  | • all staples and paper clips have been removed from the documents.  | 
  | • the feed module, separator module, and drive rollers are clean.  | 
  | 
  | 
Scanner pauses excessively  | Make sure that:  | 
during scanning  | • the host computer meets minimum requirements for scanning.  | 
  | • there is enough free space on the hard disk drive.  | 
  | • all other applications are closed.  | 
  | • the scanner has the correct amount of memory installed for the documents  | 
  | being scanned.  | 
  | You can also try changing the scanning options (compression, etc.) in your  | 
  | scanning software.  | 
  | 
  | 
Documents are multifeeding  | Make sure that:  | 
  | • the leading edges of all batched documents are centered in the ADF so that  | 
  | each document will come in contact with the feed rollers.  | 
  | • the feed module and separator module are clean and not worn.  | 
  | • documents with an unusual texture or surface are fed manually.  | 
  | 
  | 
Roller marks or streaks appear  | Clean the feed module, separator module, and drive rollers. Refer to the  | 
on documents after scanning  | Maintenance section. | 
  | 
  | 
Vertical lines appear on  | • Clean the imaging guides. Refer to the Maintenance section.  | 
the image  | • Calibrate the scanner. Refer to the Maintenance section.  | 
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