HP Scanjet Professional 1000 HP Scanjet Professional 1000 Mobile Scanner - Use - Page 18

Scanned images are not straight Verify that the document is fed straight into the paper feed slot. Scanned image is fuzzy y Verify that the original document is not fuzzy. y Clean the roller and glass strips inside the scanner. See also Clean the rollers and the scanner glass Optimize scanning and task speeds Several settings influence the total time for a scanning job. When you want to optimize scanning performance, consider the following information. y To optimize performance, make sure your computer meets the recommended system requirements. To view minimum and recommended system requirements, see www.hp.com, select your country/region, search on your scanner model, and then search on datasheet. y If you are scanning to editable text, the optical character recognition (OCR) software requires more processing time than for non-OCR scans, which is normal. Wait for the item to scan. NOTE: For the best OCR results, scanner compression should be set to the minimum compression level or disabled. y Scanning at a higher resolution than necessary increases scanning time and creates a larger file with no additional benefit. If you are scanning at a high resolution, set the resolution to a lower level to increase scanning speed. See also Scan files are too large The scan is completely black or completely white The item might not be placed correctly in the document feeder. Make sure that the item you are trying to scan is placed face up. Vertical black stripes appear on the scanned image There is dirt on the scanner glass. Clean the scanner glass. See also Clean the roller and scanner glass Scan files are too large If the saved scan files are very large, try the following: • Verify the scan resolution setting: ° 200 dpi is sufficient for storing documents as images. ° For most fonts, 300 dpi is sufficient for using optical character recognition (OCR) to create editable text. ° For Asian fonts and small fonts, 400 dpi is the recommended resolution. 16 HP Scanjet 1000 Scanner