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HP ScanJet Enterprise Flow 7500 User Guide - Page 48

Scanner installation troubleshooting, Check the cables - driver

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Scanner installation troubleshooting ● Check the cables ● Uninstall and then reinstall the HP Scanjet utilities Check the cables Cable type Power cable USB cable Action 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. 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. Uninstall and then reinstall the HP Scanjet utilities If checking the scanner cable connections did not solve the problem, the problem might have occurred because of an incomplete installation. Try uninstalling and then reinstalling the HP Scanjet utilities. 1. Press the Power ( ) button to turn off the scanner, and then disconnect the USB cable and power cable from the scanner. 2. Use the Add/Remove tool (in Windows Vista and Windows 7, the Programs and Features tool) from the Control Panel to uninstall the following items: ● ISIS driver ● TWAIN driver ● HP Scanjet 7500 Utilities 3. Restart the computer. 4. Use the HP Scanning Software CD that came with the scanner to reinstall the HP Scanjet Drivers and Tools. 5. Reconnect the USB cable and power cable to the scanner, and then press the Power ( ) button to turn on the scanner. 42 Chapter 5 Troubleshooting ENWW

Section	Page
Scanner overview	7
Scanner components	8
Scanner front panel	8
USB and power connections	9
Scanner software	10
HP Smart Document Scan Software	10
HP Scanner Tools Utility	11
Power use	11
Use the scanner	13
Load originals	14
Use the automatic document feeder (ADF)	14
Document loading tips	14
How to load documents	15
Use the scanner glass	17
Scan documents	19
Tips on scanning	19
Scan from the scanner buttons	19
Scan from HP Smart Document Scan Software	19
Scan from ISIS- or TWAIN-compliant scanning software	20
Useful scanner features	21
Work with scan profiles	22
View profiles	22
Create HP Smart Document Scan Software profiles	22
Create scan profiles that use third-party scanning software	23
Import and export HP Smart Document Scan Profiles	23
Scan extra long documents	24
Reduce file size with hardware compression	25
Filter out color from a document (color dropout)	26
Automatically crop scanned image	26
Automatically detect color	27
Misfeed (multipick) detection	27
Care and maintenance	29
HP Scanner Tools Utility Maintenance tab	30
Order maintenance and scanning supplies	30
Clean the scanner glass, scanning strip, and automatic document feeder (ADF) duplex background	31
Clean the rollers	33
Replace the rollers	35
Replace the separation pad	39
Replace the front panel	42
Troubleshooting	45
Scanner errors	46
Basic troubleshooting tips	47
Scanner installation troubleshooting	48
Check the cables	48
Uninstall and then reinstall the HP Scanjet utilities	48
Scanner initialization or hardware problems	49
Check the USB connection	49
Check that the scanner has power	50
Reset the scanner	50
The scanner has stopped working correctly	50
Scanner operation problems	52
Scanner will not turn on	52
Scanner keeps turning off	52
The LCD is having display issues or scanner buttons are not working as expected	53
Scanner does not scan right away	53
Scanner scans only one side of a two-sided page	53
Scanned pages are missing at the scan destination	53
Scanned image is fuzzy	53
Scanned pages are out of order at the scan destination	54
Optimize scanning and task speeds	54
The scan is completely black or completely white	54
Scanned images are not straight	54
Vertical white stripes appear on the printed page	54
Vertical colored stripes appear on the printed page	55
Scan files are too large	55
Scanner buttons are not working correctly	56
Scanner paper path problems	57
Paper jamming, skewing, misfeeds, or multiple-page feeds	57
Scanning fragile originals	57
Paper does not feed from the scanner	57
Originals are curling up in the scanner output tray.	58
The bottom of the scanned image is cut off	58
The scanned images have streaks or scratches	58
An item loaded in the scanner jams repeatedly	58
Clear jams from the scanner paper path	58
Product accessibility and support	61
LCD Reader	61
Control of the scanner buttons	61
Specifications and warranty	63
Scanner specifications	64
Document feeder specifications	64
Environmental specifications	65
Regulatory information	66
Energy information	66
Disposal of waste equipment by users (EU and India)	67
HP limited warranty statement	68
UK, Ireland, and Malta	69
Austria, Belgium, Germany, and Luxemburg	69
Belgium, France, and Luxemburg	70
Italy	71
Spain	71
Denmark	72
Norway	72
Sweden	72
Portugal	73
Greece and Cyprus	73
Hungary	73
Czech Republic	74
Slovakia	74
Poland	74
Bulgaria	75
Romania	75
Belgium and the Netherlands	75
Finland	76
Slovenia	76
Croatia	76
Latvia	76
Lithuania	77
Estonia	77
Russia	77

Match case Limit results 1 per page

Scanner installation troubleshooting

●

Check the cables

●

Uninstall and then reinstall the HP Scanjet utilities

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.

Uninstall and then reinstall the HP Scanjet utilities

If checking the scanner cable connections did not solve the problem, the problem might have occurred

because of an incomplete installation. Try uninstalling and then reinstalling the HP Scanjet utilities.

Press the

Power

(

) button to turn oﬀ the scanner, and then disconnect the USB cable and power cable

from the scanner.

Use the

Add/Remove

tool (in Windows Vista and Windows 7, the

Programs and Features

tool) from the

Control Panel

to uninstall the following items:

●

ISIS driver

●

TWAIN driver

●

HP Scanjet 7500 Utilities

Restart the computer.

Use the HP Scanning Software CD that came with the scanner to reinstall the HP Scanjet Drivers and

Tools.

Reconnect the USB cable and power cable to the scanner, and then press the

Power

(

) button to turn

on the scanner.

Chapter 5

Troubleshooting

ENWW