HP Business InkJet 2800dtn User Manual

ENWWPrinting control-panel menu map     59    
Resetting the HP Jetdirect print server 
Resetting the HP Jetdirect print server restores the factory default values of the Jetdirect 
print server.
NoteWhen you restore the factory default values for the HP Jetdirect print server, all previously 
stored EIO settings are lost.
To reset the HP Jetdirect print server
1Press   (Power button) to turn off the printer.
2While holding   (Back button) and   (Resume button), turn on the printer.
Printing...

60    6 - Maintaining and troubleshootingENWW
6
Maintaining and 
troubleshooting
Replacing the ink cartridges
You can check the ink levels from the control panel or the embedded Web server. 
For information about using these tools, see Overview of printer management tools. 
After removing a cartridge from its package, install it right away. Do not remove a cartridge 
from the printer for long periods of time.
CAUTIONHP recognizes customer’s choice, but cannot guarantee the quality or reliability of...

ENWWMaintaining the printheads     61     3Remove the ink cartridge that requires replacement by grasping it between your thumb 
and forefinger and pulling it firmly toward you.
4Remove the new ink cartridge from its package.
5Insert the cartridge into its own color-coded slot. Press down firmly on the cartridge to 
ensure proper contact.
6Close the ink cartridge cover.
Maintaining the printheads
If printed characters are incomplete, or dots or lines are missing from printouts, this may be 
caused by...

62    6 - Maintaining and troubleshootingENWW
To align the printheads
Whenever you replace a printhead, the printer automatically aligns the printheads to ensure 
the best print quality. However, if the appearance of your printed pages indicates that the 
printheads are misaligned, you can align them manually.
zFrom the control panel
1Press   (Select button) on the control panel.
2Press   (Up Arrow button) until MAINTENANCE is highlighted, and then 
press (Select button).
3Ensure PRINT QUALITY is...

ENWWMaintaining the printheads     63    
To replace the printheads
NoteOnly replace printheads after you have attempted to clean the printheads. See To clean 
printheads automatically and To clean the printhead contacts manually.
1Ensure the printer is plugged in and turned on.
2Lift the ink cartridge cover, and then lift the printhead cover.
3Lift to open the printhead latch.
4Lift the handle of a printhead and use it to pull the printhead out of its slot.
5Remove the new printhead from its package,...

64    6 - Maintaining and troubleshootingENWW
7Close the printhead latch. Press down to ensure it is in the lock position.
8Close the covers.
9Wait while the printer initializes the printheads and prints two alignment pages.
To clean the printhead contacts manually
To find out which printheads are compatible with your printer, see Supplies.
CAUTIONClean the printhead contacts only after you have attempted to clean the printheads 
automatically. See To clean printheads automatically. Printhead contacts...

ENWWMaintaining the printheads     65     6Carefully remove any ink from the contact pads on the printhead using a dry cotton swab 
or a soft, dry, lint-free cloth that will not come apart or leave fibers behind.
CAUTIONOnly wipe the contact pads. Wiping the nozzles (located on the underside of the printhead) 
can cause severe damage to the printhead.
7Insert the printhead into its color-coded slot. Press down firmly on the printhead to ensure 
proper contact.
CAUTIONAvoid using drinking water or...

66    6 - Maintaining and troubleshootingENWW
Calibrating the color
Whenever you replace a printhead, the printer automatically calibrates the colors to ensure the 
best print quality. If you are not satisfied with the appearance of the colors, you can calibrate 
colors manually.
zFrom the control panel
1Press   (Select button) on the control panel.
2Press   (Up Arrow button) until MAINTENANCE is highlighted, and then 
press (Select button).
3Ensure PRINT QUALITY is highlighted, and then press   (Select...

ENWWTroubleshooting tips and resources     67    
Troubleshooting tips and resources
Use the following tips and resources to resolve printing problems. 
zFor paper jam, see Clearing jams.
zFor paper-feed problems, such as the paper skew and paper pick, 
see Resolving paper-feed problems.
Some printer problems can be resolved by resetting the printer.
To reset the printer
1Press   (Power button) to turn off the printer.
2Disconnect the power cord from the printer.
3Wait about 20 seconds, and then...

68    6 - Maintaining and troubleshootingENWW
Resetting the control panel language
1Press   (Power button) to turn off printer.
2Press and hold   (Power button) and then press   (Select button) once.
3Release  (Power button).
The printer will initialize and prompt for language selection. 
4Scroll using   (Up Arrow button) or   (Down Arrow button) and press   (Select button) 
to select the language.
Resolving printing problems
Printer shuts down unexpectedly
Check power and power connections
Make sure the...