HP ScanJet Enterprise Flow 7000 User Guide - Page 39

●

If you receive a

Scanner not found

error message when trying to use the scanner, turn off the

scanner, wait 30 seconds, and then turn on the scanner. If you still receive this message, you

might need to reset the scanner.

●

If you have connected the scanner to the computer through a USB hub or through a USB port on

the front of the computer, disconnect the scanner and then reconnect it to a USB port on the back

of the computer.

●

Make sure that the scanner buttons are enabled.

●

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

●

Make sure the document feeder hatch is closed.

●

Restart the computer.

If you continue to have problems, it is possible that your HP scanning software, firmware, or associated

drivers are out of date or have become corrupted. See

www.hp.com/

support

to locate software,

firmware, and driver updates for your scanner.

Scanner installation troubleshooting

●

Check the cables

●

Uninstall and then reinstall the HP Scanjet drivers and tools

Check the cables

Cable type

Action

Power cable

The power cable is connected between the scanner and a power outlet.

●

Ensure that the power cable is securely connected between the scanner and a live

electrical outlet or surge protector.

●

If the power cable is connected to a surge protector, ensure that the surge protector is

plugged into an outlet and turned on.

●

Press the Power (

) button to turn off the scanner, and then turn off the computer. After

30 seconds, turn on the scanner and then turn on the computer, in that order.

USB cable

The USB cable is connected between the scanner and the computer.

●

Use the cable that was included with the scanner. Another USB cable might not be

compatible with the scanner.

●

Ensure that the USB cable is securely connected between the scanner and the computer.

●

If the USB cable is connected to a USB port on the front of the computer, move it to a USB

port on the back of the computer.

For additional USB troubleshooting information, see

www.hp.com/

support

, select your

country/region, and then use the search tool to find USB troubleshooting topics.

ENWW

Scanner installation troubleshooting

33

Section	Page
Product basics	7
Product features	7
Front view	8
Front panel	9
Back view	10
Clean the scan rollers before scanning	10
About scan profiles	12
Scanner software	13
HP Smart Document Scan Software	13
HP Scanner Tools Utility	14
HP TWAIN	14
Sleep Mode	14
Use the scanner	15
Load originals	15
Document loading tips	15
Load documents	17
Load cards into the document feeder	19
Scan documents	19
Tips on scanning	19
Scan from the control panel buttons	20
Scan from HP Smart Document Scan Software	20
Scan from ISIS- or TWAIN-compliant scanning software	20
Overview of scanning software features	21
Work with scan profiles	21
View profiles	22
Create HP Smart Document Scan Software profiles	22
Create scan profiles that use non-HP scanning software	23
Import and export HP Smart Document Scan Profiles	23
Scan long or extra-long documents	24
Faster scanning with hardware compression	25
Filter out color from a document (color dropout)	25
Automatically detect page size	26
Automatically crop scanned image	26
Automatically detect color	26
Detect misfeeds	27
Care and maintenance	29
HP Scanner Tools Utility Maintenance tab	29
Order maintenance and scanning supplies	29
Clean the scanning strips	30
Clean the paper path	31
Clean the rollers	32
Replace the rollers	34
Troubleshooting	37
Scanner errors	37
Basic troubleshooting tips	38
Scanner installation troubleshooting	39
Check the cables	39
Uninstall and then reinstall the HP Scanjet drivers and tools	40
Scanner initialization or hardware problems	40
Check the USB connection	41
Check that the scanner has power	42
Reset the scanner	42
The scanner has stopped working correctly	43
Scanner operation problems	44
Scanner will not turn on	44
Scanner keeps turning off	44
The LCD is having display issues or scanner buttons are not working as expected	45
Scanner does not scan right away	45
Scanner scans only one side of a two-sided page	45
Scanned pages are missing at the scan destination	45
Scanned image is fuzzy	46
Scanned pages are out of order at the scan destination	46
Optimize scanning and task speeds	46
The scan is completely black or completely white	47
Scanned images are not straight	47
Vertical white stripes appear on the printed page	48
Vertical colored stripes appear on the printed page	48
Scan files are too large	48
Scanner buttons are not working correctly	48
Scanner paper path problems	49
Paper jamming, skewing, misfeeds, or multiple-page feeds	49
Scanning fragile originals	50
Paper does not feed from the scanner	50
Originals are curling up in the scanner output tray.	50
The bottom of the scanned image is cut off	50
The scanned images have streaks or scratches	51
An item loaded in the scanner jams repeatedly	51
Clear jams from the scanner paper path	51
Product accessibility and support	53
LCD Reader	53
Control of the scanner buttons	53
Specifications and warranty	55
Scanner specifications	55
Document feeder specifications	55
Environmental specifications	56
Regulatory information	56
Energy information	56
Disposal of Waste Equipment by Users in Private Households in the European Union	57
Hewlett-Packard limited warranty statement	57

HP ScanJet Enterprise Flow 7000 User Guide - Page 39

Scanner installation troubleshooting, Check the cables

Page 39 highlights