HP Customer Support - Knowledge Base







HP Color LaserJet CM1312 MFP Series Product - Solve connectivity problems

Solve direct-connection problems

The product must be left unplugged and unconnected to PC before Software is installed. Software will prompt user to connect and plug in product during the installation.
If the product is experiencing connection issues while directly connected to a computer, complete the following steps:
  1. Make sure that USB cable is no longer than 2 meters (6 feet).
  2. Make sure that both ends of the USB cable are connected.
  3. Make sure that the cable is a USB 2.0 Hi-Speed-certified cable.
  4. If the error persists, use a different USB cable.

Network problems

Verify that the product is on and online

Check the following items to make sure the product is ready to print.
  1. Is the product plugged in and turned on?
    Make sure that the product is plugged in and turned on. If the problem persists, you might have a defective power cable, power source, or product.
  2. Is the product Ready light on?
    If the light is blinking, you might need to wait until the current job is completed.
  3. Is the product control-panel display blank?
    • Make sure the product is turned on.
    • Make sure the product is installed correctly.
  4. Does a message other than Ready appear on the product control-panel display?
    • See your product documentation for a complete list of control panel messages and corrective actions.

Resolve communication problems with the network

Check the following items to verify that the product is communicating with the network. This information assumes you have already printed a network configuration page (see Information pages).
  1. Are there any physical connection problems between the workstation or file server and the product?
    Verify that the network cabling, connections, and router configurations are correct. Verify that the network cable lengths meet network specifications.
  2. Are the network cables connected properly?
    Make sure that the product is attached to the network using the appropriate port and cable. Check each cable connection to make sure it is secure and in the right place. If the problem continues, try a different cable or ports on the hub or transceiver. The amber activity light and the green link status light next to the port connection on the back of the product should be lit.
  3. Are the product link speed and duplex settings set correctly?
    Hewlett-Packard recommends leaving this setting in automatic mode (the default setting).
  4. Can you "ping" the product IP address?
    Use the command prompt to ping the product from the computer. For example:
    Ensure that the ping displays round-trip times.
    If you are able to ping the product, verify that the IP address configuration for the product is correct on the computer. If it is correct, delete and then add the product again.
    If the ping command failed, verify that the network hubs are on, and then verify that the network settings, the product, and the computer are all configured for the same network.
  5. Have any software programs been added to the network?
    Make sure they are compatible and that they are installed correctly with the correct printer drivers.
  6. Are other users able to print?
    The problem may be workstation-specific. Check the workstation network drivers, printer drivers, and redirection.
  7. If other users are able to print, are they using the same network operating system?
    Check your system for proper network operating system setup.
  8. Is your protocol enabled?
    Check the status of your protocol on the network configuration page. See Information pages. You can also use the embedded Web server or HP ToolboxFX to check the status of other protocols. See HP ToolboxFX.






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