HP ScanJet Enterprise Flow N6600 User Guide - Page 59

Image quality problems, The scanned images are not straight

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1. Ensure that the power supply is securely connected between the scanner and a live electrical outlet or surge protector. Check that the Power LED on the control panel is on to verify that the power supply is functional. 2. If the power supply is connected to a surge protector, ensure that the surge protector is plugged into an outlet and turned on. 3. Press the Power button to turn off the scanner, disconnect the power supply from the scanner, and then turn of the computer to which the scanner is connected. Wait 30 seconds, reconnect the power supply to the scanner, press the Power button to turn on the scanner, and then turn on the computer. 4. Try to rescan. Image quality problems Review the following information about resolving image quality problems. The scanned images are not straight Check the following to resolve the issue. ● Verify that the paper guides are centered on the scanner and set to an appropriate width for the original being scanned. Make sure the paper guides touch the edges of the original. ● Windows: Use the Straighten Content feature to straighten content that is skewed relative to the page dimensions in the source document. Use the Detect Size feature to deskew page images that might have become skewed during the scanning process. The scanned images have streaks or scratches Try the following to resolve the issue. ● Check that the originals are clean and unwrinkled. ● Clean the scanner strips. See Clean the scanning strips for more information. The scanned image is fuzzy Check the following to resolve the issue. ● Check for any obstructions in the scanner paper path and make sure the paper guides are positioned appropriately. Try another scan. ● Verify that the document is not fuzzy. ● Dust can build up on the scanning strips inside the document feeder and cause low-quality scans. Clean the scanning strips with a soft, lint-free cloth that has been sprayed with a mild glass cleaner. The scanned image is completely black or completely white Check the following to resolve the issue. ● The item might not be placed correctly in the input tray. Make sure that the item being scanned is placed face down in the input tray. ● Windows: If scanning to a black and white image, make sure neither the black nor the white threshold is set to extreme. Setting the threshold to an extreme will result in an image that is all white or all black. Image quality problems 53

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1.
Ensure that the power supply is securely connected between the scanner and a live electrical outlet or
surge protector. Check that the Power LED on the control panel is on to verify that the power supply is
functional.
2.
If the power supply is connected to a surge protector, ensure that the surge protector is plugged into an
outlet and turned on.
3.
Press the Power
button to turn off the scanner, disconnect the power supply from the scanner, and then
turn of the computer to which the scanner is connected. Wait 30 seconds, reconnect the power supply to
the scanner, press the Power
button to turn on the scanner, and then turn on the computer.
4.
Try to rescan.
Image quality problems
Review the following information about resolving image quality problems.
The scanned images are not straight
Check the following to resolve the issue.
●
Verify that the paper guides are centered on the scanner and set to an appropriate width for the original
being scanned. Make sure the paper guides touch the edges of the original.
●
Windows
: Use the
Straighten Content
feature to straighten content that is skewed relative to the page
dimensions in the source document. Use the
Detect Size
feature to deskew page images that might have
become skewed during the scanning process.
The scanned images have streaks or scratches
Try the following to resolve the issue.
●
Check that the originals are clean and unwrinkled.
●
Clean the scanner strips. See Clean the scanning strips for more information.
The scanned image is fuzzy
Check the following to resolve the issue.
●
Check for any obstructions in the scanner paper path and make sure the paper guides are positioned
appropriately. Try another scan.
●
Verify that the document is not fuzzy.
●
Dust can build up on the scanning strips inside the document feeder and cause low-quality scans. Clean the
scanning strips with a soft, lint-free cloth that has been sprayed with a mild glass cleaner.
The scanned image is completely black or completely white
Check the following to resolve the issue.
●
The item might not be placed correctly in the input tray. Make sure that the item being scanned is placed face
down in the input tray.
●
Windows
: If scanning to a black and white image, make sure neither the black nor the white threshold is set
to extreme. Setting the threshold to an extreme will result in an image that is all white or all black.
Image quality problems
53