HP OfficeJet Pro K550 User Manual

Canceling a print job
You can cancel a print job using one of the following ways.
▲
Control panel: Press 
 (Cancel button). This will clear the job that the printer is currently
processing. It does not affect jobs waiting to be processed.
▲Windows: Double-click the printer icon that appears in the lower right corner of the computer
screen. Select the print job, and then press the Delete key on the keyboard.
▲Mac OS: Double-click the printer in the Printer Setup Utility (Mac OS X, 10.3, 10.4) or Print...

Printing on both sides (duplexing)
You can print on both sides of a sheet of media, either automatically by using the optional automatic
two-sided printing accessory (duplex unit), or manually by turning the media over and feeding it into
the printer again.
Guidelines for printing on both sides of a page
●Always use media that conforms to the printer specifications. See Understanding specifications
for supported media.
●Specify duplex options in your application or in the printer driver.
●Do not print on...

7.Select or clear the Flip Pages Up check box depending on which way you want the binding. See
the graphics in the printer driver for examples.
8.Choose a booklet layout from the Booklet Layout drop-down list, if desired.
9.Change any other desired settings and click OK.
10
.Print your document.
11
.For manual duplexing, after one side of the stack of paper is printed, follow the onscreen
instructions to reload the printed paper into the tray to complete printing.
To perform automatic duplexing (Mac OS)...

Printing on special and custom-sized media
To print on special or custom-sized media (Windows)
1.Load the appropriate media. See Loading media.
2.With a document open, click Print on the File menu, and then click Setup, Properties, or
Preferences.
3.Click the Paper/Quality tab.
4.Select the media size from the Size is drop-down list.
To set a custom media size, complete the following steps.
a.Click the Custom button.
b.Type a name for the new custom size.
c.In the Width and Height boxes, type the...

c.In the Width and Height boxes, type the dimensions and set the margins, if desired.
d.Click Done or OK, and then click Save.
5.On the File menu, click Page Setup and select the new custom size.
6.Click OK.
7.On the File menu, click Print.
8.Open the Paper Type/Quality panel.
9.Click the Paper tab and select the media type.
10
.Change any other desired settings, and click OK or Print.
ENWW Printing on special and custom-sized media 27
 

28 Chapter 3   Using the printer ENWW
 

4 Maintaining and troubleshooting
This section contains the following information for maintaining the printer and for troubleshooting
printer or printing problems.
●
Replacing the ink cartridges
●
Maintaining the printheads
●
Calibrating the color
●
Troubleshooting tips and resources
●
General troubleshooting tips
●
Resolving printing problems
●
Poor print quality and unexpected printouts
●
Resolving paper-feed problems
●
Resolving printer management problems
●
Troubleshooting installation issues
●...

Replacing the ink cartridges
You can check the estimated ink levels from the Toolbox (Windows), the HP Printer Utility (Mac OS),
or the embedded Web server. For information about using these tools, see 
Overview of printer
management tools. You can also print the configuration page to view this information (see
Understanding the configuration page).
NOTEAfter removing a cartridge from its package, install it right away. Do not remove a
cartridge from the printer for long periods of time.
To find out...

Maintaining the printheads
If printed characters are incomplete, or dots or lines are missing from printouts, this may be caused
by clogged ink nozzles and you might need to clean the printheads.
When the quality of printouts deteriorates, complete the relevant steps based on the following
sequence:
1.Check the health of the printheads (see 
To check printhead health).
2.Print the print quality diagnostic page on a clean sheet of white paper. Evaluate any problem
areas, and perform the recommended...

Toolbox is installed), and then click the Printer Services tab. Click Print PQ (print quality)
diagnostic page and follow the onscreen instructions.
●Toolbox (Windows): Click the Printer Services tab, and then click Print PQ (print quality)
diagnostic page and follow the onscreen instructions.
●HP Printer Utility (Mac OS): Click Print PQ Diagnostic Page from the Information and
Support panel.
1Printer Information: Shows printer information (such as the product model number, serial number, and firmware...