HP Deskjet 3000 Printer - J310a - Manual (Page 42)

lights are still blinking, then one or both cartridges may be defective. To determine if one
cartridge is defective do the following:
1. Remove black cartridge.
2. Close cartridge door.
3. If the On light blinks, the tri-color cartridge should be replaced. If the On light does
not blink, replace the black cartridge.
Prepare the trays
Open output tray
▲ Output tray must be open to begin printing.
Close cartridge door
▲ Cartridge door must be closed to begin printing.
Click here to go online for more information .
Networking
• Learn how to find your network security settings. Click here to go online for more
information.
• Learn about the Network Diagnostic Utility and other troubleshooting tips. Click here
to go online for more information.
Chapter 7
40 Solve a problem
Solve a problem