HP LaserJet Pro M521 Multifunction Printer series - Manual (Page 172)

Solve problems checklist
Follow these steps when trying to solve a problem with the product.
● Step 1: Make sure that the product is set up correctly
● Step 2: Check the cabling or wireless connection
● Step 3: Check the control panel for error messages
● Step 4: Check the paper
● Step 5: Check the software
● Step 6: Test print functionality
● Step 7: Test copy functionality
● Step 8: Test the fax functionality
● Step 9: Check the toner cartridge
● Step 10: Try sending a print job from a computer
● Step 11: Verify that the product is on the network
Step 1: Make sure that the product is set up correctly
1. Press the power button to turn on the product or to deactivate the Auto Power Down mode.
2. Check the power-cable connections.
3. Make sure that the line voltage is correct for the product power configuration. (See the label on
the back of the product for voltage requirements.) If you are using a power strip and its voltage is
not within specifications, connect the product directly to the wall outlet. If it is already connected to
a wall outlet, try a different outlet.
4. If none of these measures restores power, contact HP Customer Care.
Step 2: Check the cabling or wireless connection
1. Check the cable connection between the product and the computer. Make sure that the connection
is secure.
2. Make sure that the cable itself is not faulty by using a different cable, if possible.
3. If the product is connected to a network, check the following items:
● Check the light next to the network connection on the product. If the network is active, the
light is green.
● Make sure that you are using a network cable and not a phone cord to connect to the
network.
● Make sure the network router, hub, or switch is turned on and that it is working correctly.
158 Chapter 9 Solve problems ENWW