HP 4400C HP Scanjet 4400C/5400C Series Scanner Windows - (English) User Manual - Page 86

Troubleshooting and maintaining, Checking the basics

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Page 86 highlights

Back to TOC 85 5 Troubleshooting and maintaining This section provides information for: l Solving issues that might occur while using the scanner or HP scanning software, or issues with the appearance of scanned images. Start with "Checking the basics" on page 85. l Clearing jams from the ADF. See "Clearing jams from the ADF" on page 102. l Cleaning and maintaining the scanner and accessories. See "Cleaning and maintaining" on page 105. See the Setup and Support Guide for installation and troubleshooting information. Checking the basics If the scanner is not working, always perform these actions first. l Check that the power cable is securely connected between the scanner and a live electrical outlet or surge protector. l If the power cable is connected to a surge protector, make sure the surge protector is plugged into an outlet and turned on. l Check that the interface cable is securely connected between the scanner and the computer. l Make sure the scanner is unlocked. Move the lock to the unlocked position. (Some models only, see "Front panel and accessories comparisons" on page 3.) l Disconnect the power cable from the scanner and turn off the computer. After 30 seconds, reconnect the power cable to the scanner and then turn on the computer, in that order. l If a program has frozen, close it. Press CTRL+ALT+DELETE to open Close Programs or Task Manager. Select any program listed as Not Responding and click End Task. If these steps did not resolve the issue, see "Starting troubleshooting" on page 86.

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Back to TOC
85
5
Troubleshooting and maintaining
This section provides information for:
l
Solving issues that might occur while using the scanner or
HP scanning software, or issues with the appearance of scanned
images. Start with
"Checking the basics" on page 85
.
l
Clearing jams from the ADF. See
"Clearing jams from the ADF" on
page 102
.
l
Cleaning and maintaining the scanner and accessories. See
"Cleaning and maintaining" on page 105
.
See the
Setup and Support Guide
for installation and troubleshooting
information.
Checking the basics
If the scanner is not working, always perform these actions first.
l
Check that the power cable is securely connected between the
scanner and a live electrical outlet or surge protector.
l
If the power cable is connected to a surge protector, make sure the
surge protector is plugged into an outlet and turned on.
l
Check that the interface cable is securely connected between the
scanner and the computer.
l
Make sure the scanner is unlocked. Move the lock to the unlocked
position. (Some models only, see
"Front panel and accessories
comparisons" on page 3
.)
l
Disconnect the power cable from the scanner and turn off the
computer. After 30 seconds, reconnect the power cable to the
scanner and then turn on the computer, in that order.
l
If a program has frozen, close it. Press
C
TRL
+
A
LT
+
D
ELETE
to open
Close Programs or Task Manager. Select any program listed as
Not Responding and click
End Task
.
If these steps did not resolve the issue, see
"Starting troubleshooting"
on page 86
.