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Image quality problems, Vertical colored stripes appear on the printed

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Image quality problems Vertical colored stripes appear on the printed page Dust can build up on the scanning strips inside the document feeder and cause artifacts in scanned images. Clean the scanning strips with a soft, lint-free cloth that has been sprayed with a mild glass cleaner. Scanned images are not straight ● Verify that the document feeder 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 Auto-Straighten feature to straighten content that is skewed relative to the page dimensions in the source document. Use the Auto Detect Size feature to deskew page images that might have become skewed during the scanning process. The scanned images have streaks or scratches For information on cleaning the scanner, see the Care and maintenance section of the User Guide. ● Check that the originals are clean and unwrinkled. ● Clean the scanner glass. Scanned image is fuzzy ● Check for any obstructions in the scanner paper path and make sure the paper width guides are positioned appropriately. Try another scan. ● Verify that the document is not fuzzy. The scan is completely black or completely white ● The item might not be placed correctly in the document feeder. Make sure that the item being scanned is placed face up in the document feeder. ● Windows: If scanning to a black and white image, make sure the black and white threshold is not set to either extreme . Setting the threshold to an extreme will result in an image that is all white or all black. ● OS X: If scanning to a text image using the Image Capture application, set Image Correction to Manual and use the Threshold slider bar to adjust the threshold. The bottom of the scanned image is cut off By default, the scanning software can scan media that is up to 356 mm (14 in) long. Verify that the page size selected in the scanning software (or the scan shortcut selected) will accommodate the length of the document being scanned. 46 Chapter 5 Solve problems ENWW

Section	Page
Product overview	9
Product views	9
Front view	9
Back view	10
Serial number and product number location	10
Touch-panel view	11
Touch screen menu structure	11
Buttons on the touch panel	11
Product specifications	13
Technical specifications	13
Supported operating systems	14
Product dimensions	14
Power consumption, electrical specifications and acoustic emissions	14
Operating environment range	14
Product hardware setup and software installation	16
Hardware setup	16
How to get software updates	16
Product Features	17
Scanner software (Windows)	18
HP Scan software	18
HP Scanner Tools Utility	18
HP TWAIN	18
ISIS	18
WIA	18
Scanner software (OS X)	19
HP Easy Scan	19
HP Utility	19
Embedded Web Server	19
Sleep Mode and auto-off settings	19
Use the scanner	21
Load originals	21
Document loading tips	21
Supported paper sizes	23
Load paper in the Automatic Document Feeder (ADF) input tray	24
Introduction	24
Required guidelines before loading documents	24
Method to load documents	25
Load same-sized documents	25
Load documents on the scanner glass	26
Start a scan from the hardware	27
Scan to a computer	27
Scan to a network location	27
Use the scanning software (Windows)	27
Work with scan shortcuts	27
View scan shortcuts	28
Create scan shortcuts	28
Modify shortcuts (Windows only)	28
Scan to a picture (Windows)	28
Scan to a PDF (Windows)	28
Scan text for editing (OCR) (Windows)	29
Scan to Email (Windows)	29
Send to cloud (Windows)	29
Scan long or extra-long documents (Windows)	30
Detect multi-feeds	30
Everyday Scan	30
Filter out color from a document (color dropout) (Windows)	30
Automatically detect page size (Windows)	31
Automatically detect color (Windows)	31
Scan using text-enhanced black and white mode (Windows)	31
Automatically straighten scanned images (Windows)	31
Scan by using other scan software (Windows)	32
Use the scanning software (OS X)	33
HP Easy Scan (OS X)	33
Scan from other applications (OS X)	33
Mobile scan	33
Scanning tips	33
Optimize scanning and task speeds	33
Scanning fragile originals	34
Care and maintenance	35
Test and calibrate the touch screen	36
Clean the product	37
Clean the scanner glass	37
Clean the scanning strips	38
Replace parts	39
Replace the separation rollers and cover	39
Replace the pick up roller module	41
Order maintenance and scanning supplies	42
Solve problems	43
Basic troubleshooting tips	44
Test the scanner	45
Reset the scanner	46
Scanner installation troubleshooting	47
Check the cables	47
Uninstall and then reinstall the HP ScanJet drivers and tools (Windows)	47
Power issues	49
Scanner lamp stays on	49
Check that the scanner has power	49
Scanner will not turn on	49
Paper jams	50
Clear paper jams in the automatic document feeder (ADF)	50
An item loaded in the scanner jams repeatedly	51
Paper feed issues	52
Paper jamming, skewing, misfeeds, or multiple-page feeds	52
Paper does not feed from the scanner	52
Automatic document feeder (ADF) does not feed paper	52
Originals are curling up in the scanner output tray.	53
Image quality problems	54
Vertical colored stripes appear on the printed page	54
Scanned images are not straight	54
The scanned images have streaks or scratches	54
Scanned image is fuzzy	54
The scan is completely black or completely white	54
The bottom of the scanned image is cut off	54
Scanner operation problems	55
Connection issues	55
Check the USB connection	55
Check the ethernet connection	56
Check the wireless connection	56
Buttons are not working properly	56
Scanner buttons are not working correctly	56
Touch screen display issues	57
The touch panel is having display issues or scanner buttons are not working as expected	57
Scanning performance issues	57
Scanner does not scan immediately	57
Scanner is scanning items very slowly	57
Scanner scans only one side of a two-sided page	57
Scanned pages are missing at the scan destination	57
Scanned pages are out of order at the scan destination	57
Scan files are too large	58
Issues with text recognition (OCR)	58
Issues with text recognition (OCR) (Windows)	58
E-mail problems	59
Validate the SMTP gateway address	59
Additional troubleshooting	60

Match case Limit results 1 per page

Image quality problems

Vertical colored stripes appear on the printed page

Dust can build up on the scanning strips inside the document feeder and cause artifacts in scanned images.

Clean the scanning strips with a soft, lint-free cloth that has been sprayed with a mild glass cleaner.

Scanned images are not straight

●

Verify that the document feeder 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

Auto-Straighten

feature to straighten content that is skewed relative to the page

dimensions in the source document. Use the

Auto Detect Size

feature to deskew page images that

might have become skewed during the scanning process.

The scanned images have streaks or scratches

For information on cleaning the scanner, see the

Care and maintenance

section of the User Guide.

●

Check that the originals are clean and unwrinkled.

●

Clean the scanner glass.

Scanned image is fuzzy

●

Check for any obstructions in the scanner paper path and make sure the paper width guides are

positioned appropriately. Try another scan.

●

Verify that the document is not fuzzy.

The scan is completely black or completely white

●

The item might not be placed correctly in the document feeder. Make sure that the item being scanned

is placed face up in the document feeder.

●

Windows: If scanning to a black and white image, make sure the black and white threshold is not set to

either extreme . Setting the threshold to an extreme will result in an image that is all white or all black.

●

OS X: If scanning to a text image using the Image Capture application, set

Image Correction

Manual

and use the

Threshold

slider bar to adjust the threshold.

The bottom of the scanned image is cut off

By default, the scanning software can scan media that is up to 356 mm (14 in) long.

Verify that the page size selected in the scanning software (or the scan shortcut selected) will accommodate

the length of the document being scanned.

Chapter 5

Solve problems

ENWW