HP Officejet 450 User Manual

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Printer Services tab
The Printer Services tab provides utilities that help you maintain and test your 
printer. You can clean and align your print cartridges, and calibrate the color for 
your printouts. You can print a demo or diagnostic page, test your printer 
communication, and configure wireless settings.
Click this button... To...
Align Print CartridgesAlign the left and right print cartridges.
Clean Print CartridgesClean the print cartridges.
Calibrate ColorBalance color tints on printed...

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Maintaining the Printer
This chapter explains basic printer maintenance. You can find information about 
the state of the printer and the print cartridges from the Toolbox if you have it 
installed. You can also perform maintenance functions from the Toolbox.
Cleaning the printer
The printer does not require scheduled maintenance, except for replacing the 
ink service module (see Replaceable ink service module). You should attempt, 
however, to keep the printer free of dust and debris. This...

ENWW6-2 There are three cleaning levels available:

Level 1 cleaning is the quickest and uses the least amount of ink.

Level 2 cleaning should be performed only if level 1 cleaning was 
insufficient.

Level 3 cleaning is the most thorough and consumes the most ink and time. 
Level 3 cleaning should be performed only if level 2 cleaning was 
insufficient.
After each cleaning, the printer prints a test page so that you can check the 
print quality, and the Toolbox prompts you to perform the next level of...

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To perform a level 3 cleaning
1Press and hold down the POWER BUTTON.
2While holding down the 
POWER BUTTON, press the CANCEL BUTTON twice and 
then press the 
RESUME BUTTON twice.
3Release the 
POWER BUTTON. The printer begins the print cartridge cleaning 
process.
Aligning the print cartridges
Whenever you replace a print cartridge, you should align the print cartridges for 
the best possible print quality. If your printout is grainy, has stray dots, jagged 
edges, or the ink is bleeding into...

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To align in Macintosh (USB only)
1Open the HP Inkjet Utility and click the Calibrate Device button.
You are prompted to specify the combination of print cartridges you are 
using.
2Specify the combination of print cartridges you are using.
An alignment page prints.
3Follow the instructions on the screen to select the best-aligned pattern from 
the printed page.
To align in DOS
1Run the c:\hp450\align.bat file.
2Follow the instructions on the screen to print an alignment page and to 
select the...

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3Lift the print cartridge latch open and gently remove the print cartridge from 
its socket at the angle shown below.
Check the number on the latch against the number on the new print 
cartridge to make sure you are removing the correct print cartridge.
4Insert the new print cartridge into its socket at the same angle at which you 
removed the old print cartridge.
Check the number on the latch against the number on the print cartridge to 
make sure you are inserting the correct print cartridge....

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Single-cartridge printing mode
If one of your print cartridges runs out of ink before you can replace it, you can 
still print with a single print cartridge.

If you do not have a replacement black print cartridge available, you can 
remove the black print cartridge and print with only the tri-color print 
cartridge.

If you do not have a replacement tri-color print cartridge available, you can 
remove the tri-color print cartridge and print with only the black or photo 
print cartridge....

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3Click Calibrate to calibrate the color, or click Use Defaults to restore color 
values to factory defaults.
4Follow the instructions on the screen.
For Macintosh
1Open the HP Inkjet Utility and click the Calibrate Color button.
2Follow the instructions on the screen.
Replaceable ink service module
The replaceable ink service module holds waste ink from the black print 
cartridge. When it is almost full, the printer LEDs will prompt you to replace it. 
See LED Reference.
When the ink service...

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Troubleshooting
This chapter provides solutions to common problems, such as paper jams and 
poor print quality. If your printer is not operating properly and these suggestions 
do not solve your problem, try to print a diagnostic page, and then contact HP 
Customer Support (see Printing diagnostic and configuration pages and 
Customer Support).
General troubleshooting tips
If you have a problem with the printer or have trouble printing, first try the 
following troubleshooting tips to help...

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Step 3: Check the printer connection
Parallel or USB
Make sure your printer is connected directly to the parallel or USB port. Do not 
share the port with other devices, such as a Zip drive. Make sure the cable is 
connected firmly to the printer and computer.
Infrared
Make sure any necessary software is installed in the host device, for example, 
BtPrint for Palm OS PDA users. If you are still having problems, consult the 
infrared documentation for the PDA or laptop device.
Tips for infrared...