HP LaserJet Pro 400 Printer M401 series - Manual (Page 97)

Step 3: Check the control panel for error messages
The product control panel should indicate ready status. If an error message appears, resolve the error.
Step 4: Check the paper
1. Make sure that the paper that you are using meets specifications.
2. Make sure that the paper is loaded correctly in the input tray.
Step 5: Check the software
1. Make sure that the product software is installed correctly.
2. Verify that you have installed the print driver for this product. Check the program to make sure that
you are using the print driver for this product.
Step 6: Test print functionality
1. Print a configuration page.
2. If the page does not print, verify that the input tray contains paper.
3. If the page jams in the product, clear the jam.
Step 7: Check the toner cartridge
Print a supplies status page and check the remaining life of the toner cartridge.
Step 8: Try sending a print job from a computer
1. Try printing the job from another computer that has the product software installed.
2. Check the USB or network cable connection. Direct the product to the correct port, or reinstall the
software, selecting the connection type that you are using.
3. If the print quality is unacceptable, verify that the print settings are correct for the media that you
are using.
ENWW Solve problems checklist 85