Hewlett Packard HP Deskjet 648c Download Drivers

The HP DeskJet Installer contains version 4.3 of the printer driver software. It supports the 3320-series and 600-series DeskJet printers with on-printer USB ports. The downloadable file includes a driver installer, which also installs the newest DeskJet printer utility.


Operating system(s): Mac OS 9, Mac OS 8
Download file size: 9.93M

Supports the following deskjet printers with USB connectors on the printer, as well as Ethernet AppleTalk network printing for those models that support Network printing:
DeskJet 825, 845, 900-series,, cp1160-series, cp1170 series, cp1700-series, 3820-series, 6120-series, and 5550-series.
It is for use with Mac OS X 10.1.5 & OS X 10.2+. The downloadable file includes a driver installer, which also installs the newest deskjet printer utility.
This release improves the following:
The installation routine for customers having problems,
Some printer performance issues.
Problems with spooled jobs not printing.
duplex printing over AppleTalk.
Download and Install Instructions:

Uncompress the file with Stuffit Expander
Launch the "hp inkjet installer" program, and follow the on-screen instructions.



Operating system(s): Mac OS X
Download file size: 16.27M

This driver is designed for use on computers that will be directly connected to the printer from the computer through a USB or Parallel Cable.
Caution: The printer's cable (USB or Parallel) must be unplugged before proceeding!
Please note: This driver has no "Program Group" functionality.
Installation instructions:
Create a new folder on the hard drive: c:\dj640 before downloading the printer driver.
Download the driver to the newly created c:\dj640 folder.
Open the c:\dj640 folder and double-click the downloaded "exe" file.
Under c:\dj640\2kxpinf folder a 3 letter language folder will be displayed. For example, the English driver will display a folder named "enu". This folder was created by double-clicking on the downloaded "exe" file.
For Parallel cable users only, connect the parallel cable from the PC to the printer. To continue, go to step 8 below.
For USB users, Plug the USB cable into the printer and PC.
A Hardware Wizard screen appears, click "Cancel".
From Windows, click "Start", "Settings", "Printers".
Next, double-click "Add Printer".
When the Add Printer Wizard screen appears, click "Next".
Choose "Local Printer", uncheck "Automatically detect and install my Plug and Play printer", and click "Next".
For USB users select "USB" and click "Next". For Parallel cable users select "LPT1" and click "Next".
To continue, click the "Have Disk" button.
Next, click "Browse" and go to the folder "c:\dj640\2kxpinf\enu\drivers\Win2k_xp". An "hpf640k.inf" file will be displayed. Select the file name and click "Open".
Click "OK" to continue. "hp deskjet 640c series" will now be found in the Printers column. Now, click the "Next" button.
If another printer driver is installed on the PC, select "Yes" or "No" to use this printer as the default printer and click "Next".
Choose "Do not share this printer" and click "Next".
Select "Yes" or "No" to print a test page and click "Next".
To complete the installation process, click "Finish". The hp deskjet 640c series printer driver will be added to the "Printers" window.



Operating system(s): Microsoft Windows 2000
Download file size: 5.64M

This driver is designed for use on computers that will be directly connected to the printer from the computer through a USB or parallel cable.
Uninstall the current printer driver before installing this new version of the printer driver. To remove the printer driver, click "Start", "Programs", "hp deskjet 640c series", "hp deskjet 640c series Uninstall" and then follow the on-screen prompts.
Caution: The printer's cable (USB or Parallel) must be unplugged before proceeding!
Installation instructions:
Create a new folder on the hard drive: c:\dj640 before downloading the printer driver.
Download the driver to the newly created c:\dj640 folder.
Open the c:\dj640 folder and double-click on the downloaded "exe" file. Once the files are loaded and the "hp deskjet 640c" screen displays, proceed to step 9. If this screen does not display, continue with the next step to manually open the screen.
Double-click on the c:\dj640 folder to open the 3 letter language folder. For example, the English driver will display an "enu" folder.
Double-click on the "enu" folder to open it.
Double-click on the "nt4" folder to open it.
Double-click on the "disk1" folder to open it.
Double-click on the "setup.exe" file to start the installation program. The HP DeskJet installation screen should now appear.
Click the "Install hp deskjet 640c series printer software" icon button. Once the files are loaded, an "hp deskjet 640c installer" screen opens.
Follow the instructions on the installer screens.
The installer will copy files - WAIT for it to finish. For a successful install, you will see a congratulations screen. Click Done to complete the installation.
Restart the computer.



Operating system(s): Microsoft Windows 2000
Download file size: 7.51M

With this fast, download, HP Photosmart Essential gives you easy and fun ways to enhance your photo creativity. Easy-to-use editing features and a wide range of printing options enable you to get great-looking prints in a snap.


Operating system(s): Microsoft Windows 2000, Microsoft Windows XP
Download file size: 6.19M

HP DeskJet 640 Series Printer Driver

Installation Instructions:
Before you install, create a new folder. For this example, we'll use c:\dj640.
Change directory to c:\dj640
Download the driver to c:\dj640.
Double-click on the exe you just downloaded.
You will see a 3 letter language directory. For example, the English driver will have the directory enu.
In the Program Manager, select File => Run c:\ dj640\enu\31\disk1\setup.exe.
From Floppy:
In the Program Manager, select File => Run \disk1\SETUP.EXE.


Operating system(s): Microsoft Windows 3.1
Download file size: 2.12M

This driver is designed for use on computers that will be directly connected to the printer from the computer through:
A parallel cable on Windows 95/98/ME.
A USB or parallel cable on Windows 98/ME.
Note: The DeskJet 640u is USB only.
Uninstall the current printer driver before installing this new version of the printer driver. To remove the printer driver, click "Start", "Programs", "hp deskjet 640c series", "hp deskjet 640c series Uninstall" and then follow the on-screen prompts.
Caution: The printer's cable (USB or Parallel) must be unplugged before proceeding!
Installation instructions:
Create a new folder on the hard drive: c:\dj640 before downloading the printer driver.
Download the driver to the newly created c:\dj640 folder.
Open the c:\dj640 folder and double-click the downloaded "exe" file. Once the files are loaded and the "hp deskjet 640c" screen displays, proceed to step 9. If this screen does not display, continue with the next step to manually open the screen.
Double-click on the c:\dj640 folder to open the 3 letter language folder. For example, the English driver will display an "enu" folder.
Double-click on the "enu" folder to open it.
Double-click on the "9x" folder to open it.
Double-click on the "disk1" folder to open it.
Double-click on the "setup.exe" file to start the installation program. The HP DeskJet installation screen should now appear.
Click the "Install hp deskjet 640c series printer software" icon button. Once the files are loaded, an "hp deskjet 640c installer" screen opens.
Follow the instructions on the installer screens.
The installer will copy files - WAIT for it to finish. For a successful install, you will see a congratulations screen. Click "Done" to complete the installation.


Operating system(s): Microsoft Windows 95
Download file size: 7.77M

This driver is designed for use on computers that will be directly connected to the printer from the computer's parallel port with a parallel cable. Please note this driver has no "Program Group" functionality.
Installation instructions:
Create a new folder on the hard drive: c:\dj640 before downloading the printer driver.
Download the driver to the newly created c:\dj640 folder.
Plug the parallel cable into the printer and PC.
Open the c:\dj640 folder and double-click the downloaded "exe" file.
Under c:\dj640\9xinf folder a 3 letter language folder will be displayed. For example, the English driver will display a folder named "enu". This folder was created when by double-clicking on the downloaded "exe" file.
From Windows, click "Start", "Settings", "Printers".
Next, double-click on "Add Printer".
When the Add Printer Wizard screen appears, click "Next".
Choose "Local Printer" and click "Next" (applicable in Windows 98/ME).
To continue, click the "Have Disk" button.
Next, click "Browse" and move to the folder "c:\dj640\9xinf\enu\drivers\Win9x_ME". An "hpf640x.inf" file will be displayed. Select the file name and click "OK".
Click "OK" to continue. "hp deskjet 640c series" will now be found in the Printers column. Now, click the "Next" button.
Choose "LPT1" and click "Next".
If another printer driver is installed on the PC, select "Yes" or "No" to use this printer as the default printer and click "Finish". The hp deskjet 640c series printer driver will be added to the "Printers" window.



Operating system(s): Microsoft Windows 95
Download file size: 5.87M

With this fast, download, HP Photosmart Essential gives you easy and fun ways to enhance your photo creativity. Easy-to-use editing features and a wide range of printing options enable you to get great-looking prints in a snap! In addition, the online options let you share your pictures and order prints and personalized photo items.


Operating system(s): Microsoft Windows 98, Microsoft Windows ME, Microsoft Windows 98SE
Download file size: 5.39M

Use this utility when:
The USB driver installs part way, then the driver will not install. The Add New Hardware Wizard will not appear or one of the following conditions will occur.
After selecting Finish on the Add New Hardware Wizard during a USB install, the HP Printer Driver Installation screen fails to appear.
Plugging in the USB cable causes the Add New Hardware Wizard to appear on the screen briefly. The USB port driver loads, and the Printer Driver Installation screen fails to appear. There is no interaction required from the user in this scenario.
After printing successfully with the printer installed on the USB port and then uninstalling the printer driver, attempts to reinstall it fail.

Information:
The computer will not recognize the printer a second time (as described above) because during the first installation keys and folders are put into the computer's registry. The uninstaller on the installation CD will not delete these keys and folders that refer to the printer, therefore it appears to the computer that the printer is installed and will not allow it to be installed a second time. These printer entries in the registry need to be deleted. HP has developed an uninstaller utility that will delete all of the unnecessary printer references from the registry.

Instructions for running the USB Uninstall Utility from the Web site:
Unplug the USB cable from either the printer or the computer.
Click the Download Now button. The next screen should have a dot in the button next to "Save this program to disk", if not, select it.
Click OK.
In the Save in field, click the arrow to see the dropdown menu, select Desktop. Make note of the name in the File Name field.
Click Save. The file will be save to the Windows Desktop.
Close the web browser.
When the Desktop appears, double click the xxx.exe file just saved to the Desktop.
In the Unzip to folder field, click the Browse button to see the drop down menu, select Desktop, and click OK.
Click Unzip. A message "2file(s) unzipped successfully" will appear. Click OK
Close the Winzip Self Extractor window.
Find the new HP icon on the Desktop labeled scr_xxx.exe. (xxx will be the model number of the printer.
Double click the HP icon. This will only take seconds.
Click Yes when asked "Do you want to restart your computer now?"
The computer will restart.
The printer may now be reinstalled by carefully following the set up instructions from the setup poster, the manual, or the web.


Operating system(s): Microsoft Windows 98, Microsoft Windows ME
Download file size: 129.0k

This driver is designed for use on computers that will be directly connected to the printer from the computer's parallel port with a parallel cable. Please note this driver has no "Program Group" functionality.
Installation instructions:
Create a new folder on the hard drive: c:\dj640 before downloading the printer driver.
Download the driver to the newly created c:\dj640 folder.
Plug the parallel cable into the printer and PC.
Open the c:\dj640 folder and double-click the downloaded "exe" file.
Under the c:\dj640\nt4inf folder a 3 letter language folder will be displayed. For example, the English driver will display a folder named "enu". This folder was created by double-clicking on the downloaded "exe" file.
From Windows, click "Start", "Settings", "Printers".
Next, double-click "Add Printer".
When the Add Printer Wizard screen appears, choose "My Computer" and click "Next".
Choose "LPT1" and click "Next".
To continue, click the "Have Disk" button.
Next, click "Browse" and go to the folder "c:\dj640\nt4inf\enu\drivers\Win_NT". An "hpf640n.inf" file will be displayed. Select the file name and click "Open".
Click "OK" to continue. "hp deskjet 640c series" will now be found in the Printers column. Now, click the "Next" button.
If another printer driver is installed on the PC, select "Yes" or "No" to use this printer as the default printer and click "Next".
Choose "Not Shared" and click "Next".
Next, select "Yes" or "No" to print a test page and click "Finish". The hp deskjet 640c series printer driver will be added to the "Printers" window.



Operating system(s): Microsoft Windows NT 4.0
Download file size: 5.55M

This driver is designed for use on computers that will be directly connected to the printer from the computer's parallel port with a parallel cable.
Uninstall the current printer driver before installing this new version of the printer driver. To remove the printer driver, click "Start", "Programs", "hp deskjet 640c series", "hp deskjet 640c series Uninstall" and then follow the on-screen prompts.
Manual Installation Instructions:
Create a new folder on your hard drive: c:\dj640 before downloading the printer driver.
Download the driver to the newly created c:\dj640 folder.
Open the c:\dj640 folder and double-click on the downloaded "exe" file. Once the files are loaded and the "hp deskjet 640c" screen displays, proceed to step 9. If this screen does not display, continue with the next step to manually open the screen.
Double-click on the c:\dj640 folder to open the 3 letter language folder. For example, the English driver will display an "enu" folder.
Double-click on the "enu" folder to open the folder.
Double-click on the "nt4" folder to open the folder.
Double-click on the "disk1" folder to open the folder.
Double-click on the "setup.exe" file to start the installation program. The HP DeskJet installation screen should now appear.
Click the "Install hp deskjet 640c series printer software" icon button. Once the files are loaded, an "hp deskjet 640c installer" screen opens.
Follow the instructions on the installer screens.
The installer will copy files - WAIT for it to finish. For a successful install, you will see a congratulations screen. Click "Done" to complete the installation.



Operating system(s): Microsoft Windows NT 4.0
Download file size: 7.44M

Please note that with this driver version:
Status messaging and bi-directional communication is not available.
Ink level indication on the PC is not available.
HP Print Previewer is not available.
USB Installation Instructions:
Parallel Installation Instructions:


Operating system(s): Microsoft Windows XP
Download file size: 5.65M

Mac OS 9, Mac OS 8
Description: The HP DeskJet Installer contains version 4.3 of the printer driver software. It supports the 3320-series and 600-series DeskJet printers with on-printer USB ports. The downloadable file includes a driver installer, which also installs the newest DeskJet printer utility.

Mac OS X
Description: Supports the following deskjet printers with USB connectors on the printer, as well as Ethernet AppleTalk network printing for those models that support Network printing:
DeskJet 825, 845, 900-series,, cp1160-series, cp1170 series, cp1700-series, 3820-series, 6120-series, and 5550-series.
It is for use with Mac OS X 10.1.5 & OS X 10.2+. The downloadable file includes a driver installer, which also installs the newest deskjet printer utility.
This release improves the following:
The installation routine for customers having problems,
Some printer performance issues.
Problems with spooled jobs not printing.
duplex printing over AppleTalk.

Download the driver
Uncompress the file with Stuffit Expander
Launch the "hp inkjet installer" program, and follow the on-screen instructions.

Microsoft Windows 2000
Description: This driver is designed for use on computers that will be directly connected to the printer from the computer through a USB or Parallel Cable.
Caution: The printer's cable (USB or Parallel) must be unplugged before proceeding!
Please note: This driver has no "Program Group" functionality.
Installation instructions:
Create a new folder on the hard drive: c:\dj640 before downloading the printer driver.
Download the driver to the newly created c:\dj640 folder.
Open the c:\dj640 folder and double-click the downloaded "exe" file.
Under c:\dj640\2kxpinf folder a 3 letter language folder will be displayed. For example, the English driver will display a folder named "enu". This folder was created by double-clicking on the downloaded "exe" file.
For Parallel cable users only, connect the parallel cable from the PC to the printer. To continue, go to step 8 below.
For USB users, Plug the USB cable into the printer and PC.
A Hardware Wizard screen appears, click "Cancel".
From Windows, click "Start", "Settings", "Printers".
Next, double-click "Add Printer".
When the Add Printer Wizard screen appears, click "Next".
Choose "Local Printer", uncheck "Automatically detect and install my Plug and Play printer", and click "Next".
For USB users select "USB" and click "Next". For Parallel cable users select "LPT1" and click "Next".
To continue, click the "Have Disk" button.
Next, click "Browse" and go to the folder "c:\dj640\2kxpinf\enu\drivers\Win2k_xp". An "hpf640k.inf" file will be displayed. Select the file name and click "Open".
Click "OK" to continue. "hp deskjet 640c series" will now be found in the Printers column. Now, click the "Next" button.
If another printer driver is installed on the PC, select "Yes" or "No" to use this printer as the default printer and click "Next".
Choose "Do not share this printer" and click "Next".
Select "Yes" or "No" to print a test page and click "Next".
To complete the installation process, click "Finish". The hp deskjet 640c series printer driver will be added to the "Printers" window.

Microsoft Windows 2000
Description: This driver is designed for use on computers that will be directly connected to the printer from the computer through a USB or parallel cable.
Uninstall the current printer driver before installing this new version of the printer driver. To remove the printer driver, click "Start", "Programs", "hp deskjet 640c series", "hp deskjet 640c series Uninstall" and then follow the on-screen prompts.
Caution: The printer's cable (USB or Parallel) must be unplugged before proceeding!
Installation instructions:
Create a new folder on the hard drive: c:\dj640 before downloading the printer driver.
Download the driver to the newly created c:\dj640 folder.
Open the c:\dj640 folder and double-click on the downloaded "exe" file. Once the files are loaded and the "hp deskjet 640c" screen displays, proceed to step 9. If this screen does not display, continue with the next step to manually open the screen.
Double-click on the c:\dj640 folder to open the 3 letter language folder. For example, the English driver will display an "enu" folder.
Double-click on the "enu" folder to open it.
Double-click on the "nt4" folder to open it.
Double-click on the "disk1" folder to open it.
Double-click on the "setup.exe" file to start the installation program. The HP DeskJet installation screen should now appear.
Click the "Install hp deskjet 640c series printer software" icon button. Once the files are loaded, an "hp deskjet 640c installer" screen opens.
Follow the instructions on the installer screens.
The installer will copy files - WAIT for it to finish. For a successful install, you will see a congratulations screen. Click Done to complete the installation.
Restart the computer.

Microsoft Windows 2000, Microsoft Windows XP
Description: With this fast, download, HP Photosmart Essential gives you easy and fun ways to enhance your photo creativity. Easy-to-use editing features and a wide range of printing options enable you to get great-looking prints in a snap.

Microsoft Windows 3.1
Description: HP DeskJet 640 Series Printer Driver
Installation Instructions:
Before you install, create a new folder. For this example, we'll use c:\dj640.
Change directory to c:\dj640
Download the driver to c:\dj640.
Double-click on the exe you just downloaded.
You will see a 3 letter language directory. For example, the English driver will have the directory enu.
In the Program Manager, select File => Run c:\ dj640\enu\31\disk1\setup.exe.
From Floppy:
In the Program Manager, select File => Run \disk1\SETUP.EXE.

Microsoft Windows 95
Description: This driver is designed for use on computers that will be directly connected to the printer from the computer through:
A parallel cable on Windows 95/98/ME.
A USB or parallel cable on Windows 98/ME.
Note: The DeskJet 640u is USB only.
Uninstall the current printer driver before installing this new version of the printer driver. To remove the printer driver, click "Start", "Programs", "hp deskjet 640c series", "hp deskjet 640c series Uninstall" and then follow the on-screen prompts.
Caution: The printer's cable (USB or Parallel) must be unplugged before proceeding!
Installation instructions:
Create a new folder on the hard drive: c:\dj640 before downloading the printer driver.
Download the driver to the newly created c:\dj640 folder.
Open the c:\dj640 folder and double-click the downloaded "exe" file. Once the files are loaded and the "hp deskjet 640c" screen displays, proceed to step 9. If this screen does not display, continue with the next step to manually open the screen.
Double-click on the c:\dj640 folder to open the 3 letter language folder. For example, the English driver will display an "enu" folder.
Double-click on the "enu" folder to open it.
Double-click on the "9x" folder to open it.
Double-click on the "disk1" folder to open it.
Double-click on the "setup.exe" file to start the installation program. The HP DeskJet installation screen should now appear.
Click the "Install hp deskjet 640c series printer software" icon button. Once the files are loaded, an "hp deskjet 640c installer" screen opens.
Follow the instructions on the installer screens.
The installer will copy files - WAIT for it to finish. For a successful install, you will see a congratulations screen. Click "Done" to complete the installation.

Microsoft Windows 95
Description: This driver is designed for use on computers that will be directly connected to the printer from the computer's parallel port with a parallel cable. Please note this driver has no "Program Group" functionality.
Installation instructions:
Create a new folder on the hard drive: c:\dj640 before downloading the printer driver.
Download the driver to the newly created c:\dj640 folder.
Plug the parallel cable into the printer and PC.
Open the c:\dj640 folder and double-click the downloaded "exe" file.
Under c:\dj640\9xinf folder a 3 letter language folder will be displayed. For example, the English driver will display a folder named "enu". This folder was created when by double-clicking on the downloaded "exe" file.
From Windows, click "Start", "Settings", "Printers".
Next, double-click on "Add Printer".
When the Add Printer Wizard screen appears, click "Next".
Choose "Local Printer" and click "Next" (applicable in Windows 98/ME).
To continue, click the "Have Disk" button.
Next, click "Browse" and move to the folder "c:\dj640\9xinf\enu\drivers\Win9x_ME". An "hpf640x.inf" file will be displayed. Select the file name and click "OK".
Click "OK" to continue. "hp deskjet 640c series" will now be found in the Printers column. Now, click the "Next" button.
Choose "LPT1" and click "Next".
If another printer driver is installed on the PC, select "Yes" or "No" to use this printer as the default printer and click "Finish". The hp deskjet 640c series printer driver will be added to the "Printers" window.

Microsoft Windows 98, Microsoft Windows ME, Microsoft Windows 98SE
Description: With this fast, download, HP Photosmart Essential gives you easy and fun ways to enhance your photo creativity. Easy-to-use editing features and a wide range of printing options enable you to get great-looking prints in a snap! In addition, the online options let you share your pictures and order prints and personalized photo items.

Microsoft Windows 98, Microsoft Windows ME
Description: Use this utility when:
The USB driver installs part way, then the driver will not install. The Add New Hardware Wizard will not appear or one of the following conditions will occur.
After selecting Finish on the Add New Hardware Wizard during a USB install, the HP Printer Driver Installation screen fails to appear.
Plugging in the USB cable causes the Add New Hardware Wizard to appear on the screen briefly. The USB port driver loads, and the Printer Driver Installation screen fails to appear. There is no interaction required from the user in this scenario.
After printing successfully with the printer installed on the USB port and then uninstalling the printer driver, attempts to reinstall it fail.
Information:
The computer will not recognize the printer a second time (as described above) because during the first installation keys and folders are put into the computer's registry. The uninstaller on the installation CD will not delete these keys and folders that refer to the printer, therefore it appears to the computer that the printer is installed and will not allow it to be installed a second time. These printer entries in the registry need to be deleted. HP has developed an uninstaller utility that will delete all of the unnecessary printer references from the registry.

Instructions for running the USB Uninstall Utility from the Web site:
Unplug the USB cable from either the printer or the computer.
Click the Download button. The next screen should have a dot in the button next to "Save this program to disk", if not, select it.
Click OK.
In the Save in field, click the arrow to see the dropdown menu, select Desktop. Make note of the name in the File Name field.
Click Save. The file will be save to the Windows Desktop.
Close the web browser.
When the Desktop appears, double click the xxx.exe file just saved to the Desktop.
In the Unzip to folder field, click the Browse button to see the drop down menu, select Desktop, and click OK.
Click Unzip. A message "2file(s) unzipped successfully" will appear. Click OK
Close the Winzip Self Extractor window.
Find the new HP icon on the Desktop labeled scr_xxx.exe. (xxx will be the model number of the printer.
Double click the HP icon. This will only take seconds.
Click Yes when asked "Do you want to restart your computer now?"
The computer will restart.
The printer may now be reinstalled by carefully following the set up instructions from the setup poster, the manual, or the web.

Microsoft Windows NT 4.0
Description: This driver is designed for use on computers that will be directly connected to the printer from the computer's parallel port with a parallel cable.
Uninstall the current printer driver before installing this new version of the printer driver. To remove the printer driver, click "Start", "Programs", "hp deskjet 640c series", "hp deskjet 640c series Uninstall" and then follow the on-screen prompts.
Manual Installation Instructions:
Create a new folder on your hard drive: c:\dj640 before downloading the printer driver.
Download the driver to the newly created c:\dj640 folder.
Open the c:\dj640 folder and double-click on the downloaded "exe" file. Once the files are loaded and the "hp deskjet 640c" screen displays, proceed to step 9. If this screen does not display, continue with the next step to manually open the screen.
Double-click on the c:\dj640 folder to open the 3 letter language folder. For example, the English driver will display an "enu" folder.
Double-click on the "enu" folder to open the folder.
Double-click on the "nt4" folder to open the folder.
Double-click on the "disk1" folder to open the folder.
Double-click on the "setup.exe" file to start the installation program. The HP DeskJet installation screen should now appear.
Click the "Install hp deskjet 640c series printer software" icon button. Once the files are loaded, an "hp deskjet 640c installer" screen opens.
Follow the instructions on the installer screens.
The installer will copy files - WAIT for it to finish. For a successful install, you will see a congratulations screen. Click "Done" to complete the installation.

Microsoft Windows NT 4.0
Description:
This driver is designed for use on computers that will be directly connected to the printer from the computer's parallel port with a parallel cable. Please note this driver has no "Program Group" functionality.
Installation instructions:
Create a new folder on the hard drive: c:\dj640 before downloading the printer driver.
Download the driver to the newly created c:\dj640 folder.
Plug the parallel cable into the printer and PC.
Open the c:\dj640 folder and double-click the downloaded "exe" file.
Under the c:\dj640\nt4inf folder a 3 letter language folder will be displayed. For example, the English driver will display a folder named "enu". This folder was created by double-clicking on the downloaded "exe" file.
From Windows, click "Start", "Settings", "Printers".
Next, double-click "Add Printer".
When the Add Printer Wizard screen appears, choose "My Computer" and click "Next".
Choose "LPT1" and click "Next".
To continue, click the "Have Disk" button.
Next, click "Browse" and go to the folder "c:\dj640\nt4inf\enu\drivers\Win_NT". An "hpf640n.inf" file will be displayed. Select the file name and click "Open".
Click "OK" to continue. "hp deskjet 640c series" will now be found in the Printers column. Now, click the "Next" button.
If another printer driver is installed on the PC, select "Yes" or "No" to use this printer as the default printer and click "Next".
Choose "Not Shared" and click "Next".
Next, select "Yes" or "No" to print a test page and click "Finish". The hp deskjet 640c series printer driver will be added to the "Printers" window.

Microsoft Windows XP
Description: Please note that with this driver version:
Status messaging and bi-directional communication is not available.
Ink level indication on the PC is not available.
HP Print Previewer is not available.
USB Installation Instructions:
Parallel Installation Instructions: