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HP ScanJet Pro 3500 User Guide - Page 55

The LCD is having display issues or scanner buttons are not working as expected

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1. A cable might be loose. Ensure that the USB cable and the power supply are securely connected. 2. Turn off the scanner, wait 30 seconds, and then turn the scanner back on. 3. Restart the computer. 4. If the problem still persists, there may be a problem with the control panel. Contact HP Support at www.hp.com/support. The LCD is having display issues or scanner buttons are not working as expected The following symptoms indicate a problem with the scanner front panel. ● LCD issues: The display is blank, or part of the display content is missing. ● Button issues: Buttons are unresponsive, or the wrong action occurs when you press a button (for example, you get a single-sided scan when you press the Scan Duplex ( ) button. ● LED issues: LEDs are not working, or are staying in the wrong state. If the scanner exhibits any of these problems, contact HP support at www.hp.com/support. Scanning performance issues Scanner does not scan right away Make sure the document feeder hatch is closed, and that the scanner is turned on. Scanner scans only one side of a two-sided page Verify that the selected scan shortcut specifies two-sided scanning. Scanned pages are missing at the scan destination When scanning, pages that stick together are scanned as one item. Check to confirm that scanned pages are not stuck together. Scanned pages are out of order at the scan destination ● Verify that the page order of the original document is correct before placing the document face up into the document feeder. ● Make sure that there are no staples, paper clips, or any other attached material (such as adhesive notes) that may cause the pages to feed incorrectly. ● Verify that pages are not stuck together. Scan files are too large ● Most scanning software allows a smaller file size to be selected when selecting the output file type. For more information, see the Help for the scanning software being used. ● Verify the scan resolution setting (for more information, see the Help for the scanning software being using): ENWW Scanner operation problems 47

Section	Page
Product overview	9
Product views	10
Front view	10
Back view	10
Serial and product numbers	11
Control panel	12
Product specifications	13
Technical specifications	13
Supported operating systems	13
Product dimensions	13
Power consumption, electrical specifications and acoustic emissions	13
Operating environment range	14
Product hardware setup and software installation	15
Hardware setup	15
How to get software updates	15
Product features	16
Product Features	16
Scanner software (Windows)	17
HP Scan software	17
HP Scanner Tools Utility	17
HP TWAIN	17
Scanner software (OS X)	18
Sleep Mode and auto-off settings	18
Use the scanner	19
Load originals	19
Document loading tips	19
Supported paper types	21
Load paper in the Automatic Document Feeder (ADF) input tray	22
Introduction	22
Required guidelines before loading documents	22
Method to load documents	23
Load same-sized documents	23
Load documents on the scanner glass	25
Start a scan from the hardware	26
Scan from the front panel buttons	26
Use the scanning software (Windows)	26
Work with scan shortcuts	26
View scan shortcuts	27
Create scan shortcuts	27
Modify shortcuts (Windows only)	27
Scan by using the HP Scan software (Windows)	27
Scan to a picture (Windows)	27
Scan to a PDF (Windows)	28
Scan text for editing (OCR) (Windows)	28
Scan to Email (Windows)	28
Send to cloud (Windows)	28
Scan long or extra-long documents (Windows)	29
Detect multi-feeds	29
Everyday Scan	29
Automatically detect page size (Windows)	29
Automatically detect color (Windows)	29
Scan using text-enhanced black and white mode (Windows)	30
Automatically straighten scanned images (Windows)	30
Use the scanning software (OS X)	31
Scan documents (OS X)	31
Scan from other applications (OS X)	31
Scanning tips	32
Optimize scanning and task speeds	32
Scanning fragile originals	32
Care and maintenance	33
HP Scanner Tools Utility Maintenance tab (Windows)	34
HP Utility (OS X)	34
Clean the product	35
Clean the scanner glass	35
Introduction	35
Required items for cleaning	35
Clean the scanner glass	35
Clean the Automatic Document Feeder scanning strips	36
Introduction	36
Clean the scanning strips	36
Clean the paper path	37
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	48
Check that the scanner has power	48
Scanner will not turn on	48
Scanner keeps turning off	48
Paper jams	50
Clear jams from the scanner paper path	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
Originals are curling up in the scanner output tray.	52
Image quality problems	53
Scanned images are not straight	53
The scanned images have streaks or scratches	53
Scanned image is fuzzy	53
The scan is completely black or completely white	53
The bottom of the scanned image is cut off	53
Scanner operation problems	54
Connection issues	54
Check the USB connection	54
Buttons are not working properly	54
Scanner buttons are not working correctly	54
The LCD is having display issues or scanner buttons are not working as expected	55
Scanning performance issues	55
Scanner does not scan right away	55
Scanner scans only one side of a two-sided page	55
Scanned pages are missing at the scan destination	55
Scanned pages are out of order at the scan destination	55
Scan files are too large	55
Additional troubleshooting	57

Match case Limit results 1 per page

A cable might be loose. Ensure that the USB cable and the power supply are securely connected.

Turn oﬀ the scanner, wait 30 seconds, and then turn the scanner back on.

Restart the computer.

If the problem still persists, there may be a problem with the control panel. Contact HP Support at

www.hp.com/

support

The LCD is having display issues or scanner buttons are not working as expected

The following symptoms indicate a problem with the scanner front panel.

●

LCD issues: The display is blank, or part of the display content is missing.

●

Button issues: Buttons are unresponsive, or the wrong action occurs when you press a button (for example,

you get a single-sided scan when you press the Scan Duplex (

) button.

●

LED issues: LEDs are not working, or are staying in the wrong state.

If the scanner exhibits any of these problems, contact HP support at

www.hp.com/

support

Scanning performance issues

Scanner does not scan right away

Make sure the document feeder hatch is closed, and that the scanner is turned on.

Scanner scans only one side of a two-sided page

Verify that the selected scan shortcut speciﬁes two-sided scanning.

Scanned pages are missing at the scan destination

When scanning, pages that stick together are scanned as one item. Check to conﬁrm that scanned pages are not

stuck together.

Scanned pages are out of order at the scan destination

●

Verify that the page order of the original document is correct before placing the document face up into the

document feeder.

●

Make sure that there are no staples, paper clips, or any other attached material (such as adhesive notes)

that may cause the pages to feed incorrectly.

●

Verify that pages are not stuck together.

Scan ﬁles are too large

●

Most scanning software allows a smaller ﬁle size to be selected when selecting the output ﬁle type. For

more information, see the Help for the scanning software being used.

●

Verify the scan resolution setting (for more information, see the Help for the scanning software being

using):

ENWW

Scanner operation problems