HP Business InkJet 1100 User Manual

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Maintaining and 
troubleshooting
This section provides information about maintaining the printer and troubleshooting common 
printer problems, such as paper jams and poor quality printing.
zIf you know you need to replace an ink cartridge or printhead, or clean the printheads, see 
“Maintaining ink cartridges and printheads”.
zIf you know that the colors do not appear as they should, see “Calibrating color”.
zIf you need to clear a jam, see “Clearing jams”.
zIf you have any other usage problem,...

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To replace an ink cartridge
1Turn the printer power on, and then lift the printing supplies cover.
2Remove the ink cartridge that requires replacement by grasping it between your thumb 
and forefinger and pulling it firmly toward you.
3Insert the new ink cartridge into its own color-coded slot.
4Press down firmly on the new cartridge to ensure proper contact after installation.
5Close the printing supplies cover.
 

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Checking the printheads
If the Toolbox is installed on a computer running Windows, you can check the health of the 
printheads. Replace the printheads when print quality degrades. You can also check the 
quality by printing a printer configuration page. See “Printing a configuration page”.
To check the printheads from the Toolbox
1Open the Toolbox.
2On the Information tab, click Printhead Health. 
3Check the status of each of the printheads. 
4If the status of one or more printheads is listed as...

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To perform a level 1 printhead cleaning at the control panel
1Press and hold down the   (power button).
2While holding down the   (power button), press the   (cancel button) twice.
3Release the   (power button). The printer begins the printhead cleaning process.
4Print a printer configuration page by holding down the   (power button) and pressing the 
 (cancel button) once. Release the   (power button). 
5If the results are satisfactory, the process is finished. If not, perform a level 2...

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Cleaning the printhead contacts
If lines or dots are still missing from printed text or graphics after you have cleaned the 
printheads, the printhead contacts might be dirty.
CAUTIONHP recommends that you clean the printhead contacts only after you have cleaned the 
printheads. Printhead contacts contain sensitive electronic components that can be damaged 
easily.
To clean the printhead contacts
1Turn the printer power on, and then lift the printing supplies cover.
2Open the printhead access...

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4Lift up the handle of the printhead and use it to pull the printhead straight up and out of 
its slot.
5Using a soft, dry, lint-free cloth, carefully remove any ink from the contact pads on the 
printhead and inside the printhead slot in the printer.
6Reinsert the printhead into its color-coded slot. Press down firmly on the printhead to 
ensure proper contact after installation.
7Repeat steps 4 through 6 for the remaining printheads.
8Close the printhead access latch firmly, ensuring the hook...

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Aligning the printheads 
Whenever you replace a printhead, the printer automatically aligns the printheads for the best 
possible quality. However, if the appearance of your printed pages indicates that the 
printheads are misaligned, you can align them from the control panel, from the Toolbox 
(Windows), or from the HP Inkjet Utility.
To align printheads from the control panel
Hold down the   (power button) and press the   (resume button) three times.
To align the printheads from the Toolbox...

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Replacing the printheads
You do not have to replace all four printheads when one needs to be replaced. Only replace 
the color of printhead indicated.
You can check the status of the printheads from the Toolbox. You can also check the printer 
control panel to see if a printhead needs to be replaced, as shown here. 
To replace a printhead
1Turn the printer power on, and then lift the printing supplies cover.
2Open the printhead access latch by lifting the latch from the rear. Pull the latch...

ENWW4-9 4Lift up the handle of the printhead and use it to pull the printhead straight up and out of 
its slot.
5Install the new printhead in the color-coded slot that matches the color of the printhead.
6Press down firmly on the printhead to ensure proper contact after installation.
7Close the printhead access latch firmly, ensuring the hook catches the carriage lock, and 
then close the printing supplies cover. You will need to use some force to close the 
printhead access latch.
 

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8Wait while the printer initializes the printheads. After initialization, two alignment pages 
print.
Calibrating color
The printer automatically calibrates color when you change a printhead. Calibrate color 
manually, as described here, when you are not satisfied with the appearance of the colors. If 
you are running Windows, calibrate color from the Toolbox. If you are running the Mac OS, 
calibrate color from the HP Inkjet Utility.
To calibrate color from the Toolbox
1Click the Toolbox icon...