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HP Deskjet 1220C Professional Series Printers - How to Switch the Printer Connection from USB to Parallel or from Parallel to USB

Introduction
This document explains how to change the printer connection from Universal Serial Bus (USB) to parallel or parallel to USB in Windows 98. If the printer is initially installed on a parallel-only connection, the printer software must be uninstalled before changing to a USB connection. If the printer is initially installed on a USB connection, the port connection can be easily changed from USB to parallel and then back to USB if desired.
Switching from a parallel connection to a USB connection
If the printer is set up for a parallel-only connection, and now a USB connection is desired, the printer software must be removed from the computer before continuing. See the section in this document titled "Uninstalling the printer driver using the Uninstaller." After uninstalling the printer software, use the following procedures to connect the printer with a USB connection:
  1. Turn off the computer and the printer, remove the parallel cable but do not connect the USB cable.
  2. Turn on the computer. After Windows has started completely, follow the directions below to close all programs running on the computer:
    1. On the keyboard, press CTRL + ALT + DEL to retrieve the Close Program window.
    2. Highlight any program in the list (except Explorer and Systray), and click End Task.
    3. Repeat Steps a and b until all programs (except Explorer and Systray) are closed.
    4. Once the list shows only Explorer and Systray, click Cancel to close the Close Program window.
  3. Insert the Starter CD into the CD-ROM drive. Do not click the printer installation icon.
  4. Connect the USB cable to the printer then to the computer.
  5. Turn on the printer. If the computer is properly configured to use USB, Windows will detect the printer. If the computer is not properly configured, contact the computer manufacturer to configure the computer properly for USB, or use a parallel connection instead.
  6. The Add New Hardware Wizard dialog box will appear.
    1. Click Next until asked to specify a location for the software.
    2. Click Browse, double-click the CD icon (typically the D: drive), double-click the Windows directory, then highlight the Win98usb directory, and click OK.
    3. Click Next to see the subsequent dialog boxes, then click Finish.
    4. Click Back if Windows is unable to locate a driver, and repeat Steps 6a to 6c. If the Add New Hardware Wizard screen disappears before completing the installation, detach and reattach the USB cable, then repeat Step 6.
  7. Install the printer software. Click Next, and follow the instructions on the screen to complete the installation.
Switching from a USB connection to a parallel connection
Use the following procedure to switch the connection from USB to parallel:
  1. Turn off the printer and the computer.
  2. Remove the USB cable.
  3. Connect the parallel cable to the parallel interface port on the computer.
  4. Connect the cable to the parallel port of the printer.
  5. Turn on the printer and the computer.
  6. From the Taskbar, click Start, Settings, and Printers.
  7. In the Printers window, right-click the icon for the HP Deskjet 1220C printer, and select Properties.
  8. In Printer Properties click the Details tab, and locate the port selection box labeled, "Print to the following port." This should show the current port as "USB/Deskjet." Click the down arrow on the right side of the box, and click LPT1 to select the parallel port. The Port Selection box will now show the current port as LPT1: (Printer Port) or LPT1: (ECP Printer Port), depending on how the port is configured.
  9. Click OK to save the settings and close the Printer Properties window.
  10. Close the Printers window and test the printer by printing a file.
Switching from a parallel connection back to a USB connection
Once the printer is set up on a USB connection, and has been switched to a parallel connection, change it back to a USB connection by following the steps below:
  1. Turn off the printer and the computer.
  2. Unplug the parallel cable from the printer and the computer.
  3. Plug one end of the USB cable into the USB port on the printer.
  4. Plug the other end into the USB port on the computer.
  5. Turn on the computer then the printer.
  6. From the Taskbar, click Start, Settings, and Printers.
  7. In the Printers window, right-click the icon for the HP Deskjet 1220C printer, and select Properties.
  8. In Printer Properties click Details, and locate the port selection box labeled, "Print to the following port." This should show the current port as LPT1: (printer port) or LPT1: (ECP printer port), depending on how the port is configured. Click the down arrow on the right side of the box, and click USB/Deskjet. The port selection box will now show the current port as USB/Deskjet.
  9. Click OK to save the settings and close the Printer Properties window.
  10. Close the Printers window and test the printer by printing a file.
Using both ports at the same time
The HP Deskjet 1220C series printer cannot be connected to a USB port and a parallel port at the same time. The printer should never have two I/O cables connected at once. For example, the printer cannot be connected to two different computers at the same time, using USB for one connection and parallel for the other.
Uninstalling the printer driver using the Uninstaller
An uninstaller is created if the printer driver is installed from the HP Deskjet 1220C Starter CD, floppy disks (created with the Make Disk Utility), or a network location using the driver's SETUP.EXE installation software. The Uninstaller will remove all files that were loaded by the installation software during a normal or failed installation. The Uninstaller will also remove all the entries created for the printer in the WIN.INI file and the registry. Follow the steps below to use the Uninstaller:
  1. Restart Windows (select Start, Shut Down, Restart the computer, and Yes).
  2. Select Start, Programs, HP Deskjet 1220C Printer, and Uninstaller.
  3. Choose Remove All (default), and choose Next.
  4. When the message, "Uninstall completed," appears, choose OK.
     note:
    If the Uninstaller fails to complete successfully, restart Windows, reinstall the printer driver with LPT1 selected as the port (the printer does not need to be physically connected to the LPT1 port), and run the Uninstaller again.

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