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HP Deskjet 450 Series Printer - Replacing the Print Cartridges

When a print cartridge has to be replaced, follow these instructions:
  1. With the printer turned on, open the front access cover and wait for the carriage to go to the "print cartridge change” position. This should take only a few seconds.
    Figure : Print cartridge change position
    * Print cartridge change position
  2. Remove the new print cartridge from its package and then pull the colored tab to remove the protective film from the cartridge.
      caution:
    To prevent clogs, ink failure, and bad electrical connections, do not touch the print cartridge ink nozzles or copper contacts, and do not remove the copper strips.
      caution:
    Only remove or install print cartridges when the carriage is in “print cartridge change” position.
  3. Lift the print cartridge latch open and gently remove the print cartridge from its socket at the angle shown below.
  4. Check the number on the latch against the number on the new print cartridge to make sure the correct print cartridge is being removed.
    Figure : Removing the print cartridge
  5. Insert the new print cartridge into its socket at the same angle at which the old print cartridge was removed.
  6. Check the number on the latch against the number on the print cartridge to make sure the correct print cartridge is being inserted.
    Figure : Inserting the print cartridge
  7. Close the print cartridge latch. If the cartridge is inserted correctly, closing the latch gently pushes the cartridge into its socket. Press the latch to make sure it is seated flat on the cartridge.
    Figure : Closing the print cartridge latch
  8. Close the front access cover.
  9. Wait for the carriage to complete the print cartridge initialization routine and return to the home position at the right side of the printer before using the printer.
      note:
    Do not open the front access cover until the print cartridge initialization is complete.
After the print cartridge is replaced, the print cartridges need to be aligned.
Aligning the print cartridges
Whenever a print cartridge is replaced, the print cartridges should be aligned for the best possible print quality. If a printout is grainy, has stray dots, jagged edges, or the ink is bleeding into another color on the page, the print cartridges can be realigned through the Toolbox or the printer driver.
  note:
For PDAs, connect to a Windows or Macintosh operating system and align the print cartridges according to the instructions below.
To align from the printer driver in Windows
  1. Load plain paper into the input tray.
  2. Click Start, Settings, and then Printers.
  3. Right-click the printer icon, and then click:
    • Printing Preferences (Microsoft® Windows 2000 and XP)
    • Properties (Windows 98 and Me)
    • Document Defaults (Windows NT 4.0)
  4. Click the Services tab, and click Align Print Cartridges.
  5. Click Align from the Align Print Cartridges dialog box.
  6. Specify the combination of print cartridges in the printer. An alignment page prints.
  7. Follow the instructions on the screen to select the best-aligned patterns from the alignment page.
  8. Click OK to close the Align Print Cartridges dialog box when the alignment procedure is complete.
If the Toolbox is installed, the print cartridges also can be aligned from the Printer Services tab in the Toolbox.
To align in Macintosh (USB only)
  1. Load plain paper into the input tray.
  2. Open the HP Inkjet Utility and click the Calibrate Device button.
  3. Specify the combination of print cartridges in the printer. An alignment page prints.
  4. Follow the instructions on the screen to select the best-aligned pattern from the printed page.
To align in DOS
  1. Load plain paper into the input tray.
  2. Run the C:\HP450\ALIGN.BAT file.
  3. Follow the instructions on the screen to print an alignment page and to select the best-aligned pattern from the printed page.

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