HP LaserJet 1020 HP LaserJet 1020 Printer - Software Technical Reference - Page 36

Port communication, Overview, USB port connections, Device conflicts in Windows

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Windows overview Port communication This section provides information about the following topics: ● Overview ● USB port connections ● Device conflicts in Windows Overview The product is connected through the USB port. USB port connections USB 2.0 is an input/output mode that both Windows and Macintosh computers support. A wide variety of consumer devices, such as digital cameras and scanners, also support USB. Note that the HP LaserJet 1020 printer is compatible with USB 2.0 specifications. A distinction exists between a USB Host and a USB Device. The HP LaserJet 1020 printer is a USB Device. It can only connect to a USB Host or a USB Hub. Device conflicts in Windows When two-way communication cannot be established with the product, the Windows Device Manager might show a conflict. Conflicts should be resolved immediately, and before continuing to troubleshoot two-way communication issues. The following sections contain a few guidelines for identifying and resolving these conflicts. NOTE This process applies to both USB and parallel port devices. However, USB devices are only supported in Windows 98 SE, Windows Me, Windows 2000, and Windows XP. Opening the Windows Device Manager Follow these steps to open the Windows Device Manager. 1 For Windows 98 SE, Windows Me, and Windows 2000, click Start, click Settings, and then click Control Panel. For Windows XP, click Start, and then click Control Panel. 2 Double-click the System icon. 3 On the Hardware tab, click Device Manager. NOTE In Windows 98 SE, click the Device Manager tab. 24 Chapter 2 Windows software overview ENWW

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Port communication
This section provides information about the following topics:
Overview
USB
port
connections
Device
conflicts
in
Windows
Overview
The product is connected through the USB port.
USB port connections
USB 2.0 is an input/output mode that both Windows and Macintosh computers support. A wide
variety of consumer devices, such as digital cameras and scanners, also support USB. Note that the
HP LaserJet 1020 printer is compatible with USB 2.0 specifications.
A distinction exists between a USB Host and a USB Device. The HP LaserJet 1020 printer is a USB
Device. It can only connect to a USB Host or a USB Hub.
Device conflicts in Windows
When two-way communication cannot be established with the product, the Windows Device
Manager might show a conflict. Conflicts should be resolved immediately, and before continuing to
troubleshoot two-way communication issues. The following sections contain a few guidelines for
identifying and resolving these conflicts.
NOTE
This process applies to both USB and parallel port devices. However, USB devices
are only supported in Windows 98 SE, Windows Me, Windows 2000, and Windows XP.
Opening the Windows Device Manager
Follow these steps to open the Windows Device Manager.
1
For Windows 98 SE, Windows Me, and Windows 2000, click
Start
, click
Settings
, and then click
Control Panel
.
For Windows XP, click
Start
, and then click
Control Panel
.
2
Double-click the
System
icon.
3
On the
Hardware
tab, click
Device Manager
.
NOTE
In Windows 98 SE, click the
Device Manager
tab.
24
Chapter 2
Windows software overview
ENWW
Windows overview