HP Color LaserJet Pro M155 Manuel De Référence page 5

Troubleshooting
Wireless connection troubleshooting
Verify that the printer is within the range of the wireless network. For most networks, the printer must be within 30 m (100 ft) of the wireless access
point (wireless router). A USB cable might be required for temporary connection between the printer and the computer. To ensure that the wireless setup
information synchronizes correctly, do not connect the USB cable until prompted to do so.
Follow these steps to restore the network settings:
1. Remove the USB cable from the printer.
2. Press and hold the Wireless
the Wireless button. Printer will restore network default automatically and restart.
3. When the Ready LED is on, continue to install the software.
User guide and additional support resources
The user guide includes printer usage and troubleshooting information. It is
available on the web: www.hp.com/support/ljM155.
Go to
Check for firmware updates
1. Go to www.hp.com/support/ljM155.
2. Select a printer or category from the list, and then click Drivers.
3. Select the operating system, and click the Next button.
4. Select Firmware, and click the Download button.
button on the printer control panel. When the and the
Ready LED Attention
Wireless printing
For more information about wireless
printing and wireless setup, go to
www.hp.com/go/wirelessprinting.
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start blinking simultaneously, release
LED