HP Business Inkjet 2800 HP Business Inkjet 2800 - User Guide - Page 71

Printer does not accept printhead, Check any personal firewall software installed on the computer

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Check cable connections z Make sure both ends of the cable (USB, parallel, or network) are secure. z If the printer is connected to a network, check the following: • Check the Link light on the back of the printer. • Make sure you are not using a phone cord to connect the printer. • The network hub, switch, or router is on and working properly. Check printer setup for network environment Ensure the correct printer driver and printer driver port are being used. For more information about network connections, see Configuring the printer (Windows), Configuring the printer (Mac OS), or the documentation provided by your network vendors. Check any personal firewall software installed on the computer The personal software firewall is a security program that protects a computer from intrusion. However, the firewall might block communication between the computer and the printer. If there is a problem communicating with the printer, try temporarily disabling the firewall. If the problem persists, the firewall is not the source of the communication problem. Re-enable the firewall. If disabling the firewall allows you to communicate with the printer, you might want to assign the printer a static IP address and re-enable the firewall. See Configure network options. Printer does not accept printhead Inspect the printhead Remove the printhead and make sure the protective tape has been removed completely from the printhead. Clean the printhead Complete the printhead cleaning procedure. See To clean printheads automatically. Turn off the printer after removing the printhead After removing the printhead, turn the printer off, and then turn on the printer without the printhead installed. After the printer has restarted, reinsert the printhead. ENWW Resolving printing problems 69

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ENWW
Resolving printing problems
69
Check cable connections
Make sure both ends of the cable (USB, parallel, or network) are secure.
If the printer is connected to a network, check the following:
•
Check the Link light on the back of the printer.
•
Make sure you are not using a phone cord to connect the printer.
•
The network hub, switch, or router is on and working properly.
Check printer setup for network environment
Ensure the correct printer driver and printer driver port are being used. For more
information about network connections, see
Configuring the printer (Windows)
,
Configuring the printer (Mac OS)
, or the documentation provided by your network
vendors.
Check any personal firewall software installed on the computer
The personal software firewall is a security program that protects a computer from
intrusion. However, the firewall might block communication between the computer and the
printer. If there is a problem communicating with the printer, try temporarily disabling the
firewall. If the problem persists, the firewall is not the source of the communication
problem. Re-enable the firewall.
If disabling the firewall allows you to communicate with the printer, you might want to
assign the printer a static IP address and re-enable the firewall. See
Configure network
options
.
Printer does not accept printhead
Inspect the printhead
Remove the printhead and make sure the protective tape has been removed completely
from the printhead.
Clean the printhead
Complete the printhead cleaning procedure. See
To clean printheads automatically
.
Turn off the printer after removing the printhead
After removing the printhead, turn the printer off, and then turn on the printer without the
printhead installed. After the printer has restarted, reinsert the printhead.