HP LaserJet Pro 400 M401 User Manual

							Memory
This product includes a memory panel that will accept the following third-party font and barcode
memory modules. Hewlett-Packard  does not sell these products.
● BarDIMM Pro, Jetmobile
● MicrDIMM Pro, Jetmobile
● TypeHaus Fonts and Barcodes Solutions, TypeHaus, Inc.
● Asian Fonts, JITCO, Ltd.
● BarDIMM® Box, Jetmobile
● BarSIMM 1.9, Jetmobile
● EIO Hard-Disk for LaserJet 
Series, Oberon Service SRL
● Ethernet to Token Ring 
Router (ETRR), Ringdale
● EuroForm Barcode 100, EuroForm A/S
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							Update the firmware
HP offers periodic upgrades to the product firmware. You can load the firmware updates manually, or
you can set the product to automa tically load firmware updates.
Manually update the firmwa re (LCD control panel)
1.On the product control panel, press the  OK button to open the menus.
2. Open the following menus:
● Service
● LaserJet Update
● Check For Updates Now
3. Select the  Yes option, and then press the OK  button to prompt the product to search for firmware
updates. If the product detects an upgr ade, it will begin the update process.
Manually update the firmware (touchscreen control panel)
1.
From the Home screen on the prod uct control panel, touch the Setup  button.
2. Open the following menus:
● Service
● LaserJet Update
● Check For Updates Now
3. Touch the  Yes button to prompt the product to search for firmware updates. If the product detects
an upgrade, it will begin the update process.
Set the product to automatically  update the firmware (LCD control
panel)
NOTE: This section applies to the HP LaserJ et Pro 400 M401a Printer model only.
1.On the product control panel, press the  OK button to open the menus.
2. Open the following menus:
● Service
● LaserJet Update
● Manage Updates
● Prompt Before Install
3. Select the  Install Automatically  option, and then press the  OK button.
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							Set the product to automatically update the firmware (touchscreen
control panel)
NOTE: This section applies to the HP LaserJ et Pro 400 M401d Printer model only.
1.
From the Home screen on the prod uct control panel, touch the Setup  button.
2. Open the following menus:
● Service
● LaserJet Update
● Manage Updates
● Prompt Before Install
3. Touch the  Install Automatically  option.
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							5 Solve problems
●Solve problems checklist
●
Restore the factory-set defaults
●
Control panel help system
●
Interpret control panel messages
●
Paper feeds incorrectly or becomes jammed
●
Clear jams
●
Improve print quality
●
The product does not print or it prints slowly
●
Solve walk-up USB printing problems
●
Solve direct connection problems
●
Solve wired network problems
●
Solve wireless network problems
●
Solve product software problems with Windows
●
Solve product software pr oblems with Mac OS X
●
Remove software (Windows)
●
Remove software (Mac OS X)
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							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: Check the toner cartridge
●
Step 8: Try sending a print job from a computer
Step 1: Make sure that th e 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 fo r 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, plug the product directly  into the wall. If it is already plugged into the
wall, 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 an d the computer. Make sure that the connection
is secure.
2. Make sure that the cable itself is not faul ty 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 cabl
e 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.
● If your computer or the product is connecte
d to a wireless network, low signal quality or
interference might be delaying print jobs.
4. If you are using a personal firewall system on  the computer, it might be blocking communication
with the product. Try temporarily  disabling the firewall to see if it is the source of the problem.
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							Step 3: Check the control panel for error messages
The product control panel should in dicate 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 lo aded 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 pr int 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 connec tion 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.
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							Restore the factory-set defaults
Restoring the factory-set defaults returns all of the product and network settings to the factory defaults. It
will not reset the page count, tray size, or language. To restore th e product to the factory-default
settings, follow these steps.
CAUTION: Restoring the factory-set defaul ts returns all of the settings to the factory defaults, and it
also deletes any pages that are stored in the memo ry. The procedure then automatically restarts the
product.
Restore the factory-set defaults (LCD control panel)
1. On the product control panel, press the  OK button to open the menus.
2. Open the following menus:
● Service
● Restore Defaults
The product automatically restarts.
Restore the factory-set defaults (touchscreen control panel)
1. From the Home screen on the prod uct control panel, touch the Setup  button.
2. Scroll to and touch the  Service menu.
3. Scroll to and touch the  Restore Defaults button, and then touch the  OK button.
The product automatically restarts.
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							Control panel help system
The HP LaserJet Pro 400 M401dn Printer and HP LaserJet Pro 400 M401dw Printer models have built-in
Help systems that explain how to use each screen. To open the Help system, touch the Help 
 button in
the upper-right corner of the screen.
For some screens, the Help opens to a global menu  where you can search for specific topics. You can
browse through the menu structure by  touching the buttons in the menu.
Some Help screens include animations that guide  you through procedures, such as clearing jams.
For screens that contain settings for individual jobs, the Help opens to a topic that explains the options
for that screen.
If the product alerts  you of an error or warning, touch the Help 
 button to open a message that
describes the problem. The message also cont ains instructions to help solve the problem.
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							Interpret control panel messages
Control panel message types
The control panel messages indicate the current product status or situations that might require action.
Alert and warning messages appear temporarily an d might require you to acknowledge the message
by pressing the  OK button to resume or by pressing the Cancel 
 button to cancel the job. With
certain warnings, the job might not complete or th e print quality might be affected. If the alert or
warning message is related to prin ting and the auto-continue feature is on, the product will attempt to
resume the printing job after the warning has ap peared for 10 seconds without acknowledgement.
Critical error messages can indicate some kind of failure. Turning off and then turning on the power
might fix the problem. If a critical error  persists, the product might require service.
Control panel messages
10.x000 Supply Error
Description
The toner cartridge memory chip  cannot be read or is missing.
◦ 10.0000 = memory chip error
◦ 10.1000 = memory chip is missing
Recommended action
Reinstall the toner cartridge.
Turn the product off and then on.
If the message persists, replace the toner cartridge.
49 Error Turn off then on
Description
The product experienced an internal error.
Recommended action
Turn the product off, wait at least  30 seconds, and then turn the product on and wait for it to initialize.
If you are using a surge protector, remove it. Plug  the product directly into the wall socket. Turn the
product power on.
If the message persists , contact HP support.
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