HP LaserJet Enterprise M551n User Manual

							The file that you want to print is not listed in the Open From USB
menu
1.You might be trying to print a file type that th e USB printing feature does not support. The product
supports .pdf, .prn, .pcl, .ps, and .cht file types.
2. You might have too many files in a single folder on the USB storage accessory. Reduce the
number of files in the folder  by moving them to subfolders.
3. You might be using a character set for the file name  that the product does not support. In this case,
the product replaces the file names with characters  from a different character set. Rename the files
using ASCII characters.
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							Solve connectivity problems 
Solve direct-connect problems
If you have connected the product directly to a computer, check the cable.
● Verify that the cable is connected to the computer and to the product.
● Verify that the cable is not longer than 2 m (6.56 ft). Try using a shorter cable.
● Verify that the cable is working correctly by conne
cting it to another product. Replace the cable if
necessary.
Solve network problems
Check the following items to verify that the pr oduct is communicating with the network. Before
beginning, print a configuration page from the product control panel and locate the product IP address
that is listed on this page.
●
Poor physical connection
●
The computer is using the incorrect IP address for the product
●
The computer is unable to communicate with the product
●
The product is using incorrect link and duplex settings for the network
●
New software programs might be  causing compatibility problems
●
The computer or workstation might be set up incorrectly
●
The product is disabled, or other network settings are incorrect
Poor physical connection
1. Verify that the product is attached to the correct  network port using a cable of the correct length.
2. Verify that cable connections are secure.
3. Look at the network port connection on the back of the product, and verify that the amber activity
light and the green link-status light are lit.
4. If the problem continues, try a different cable or port on the hub.
The computer is using the incorrect IP address for the product
1.Open the printer properties and click the  Ports tab. Verify that the current IP address for the
product is selected. The product IP address is listed on the product configuration page.
2. If you installed the product using the HP standard TCP/IP port, select the box labeled  Always
print to this printer, even if its IP address changes.
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							3.If you installed the product using a Microsoft standard TCP/IP port, use the hostname instead of
the IP address.
4. If the IP address is correct, delete the product and then add it again.
The computer is unable to communicate with the product
1.Test network communication by pinging the network.
a.Open a command-line prompt on your computer. For Windows, click  Start, click Run , and
then type  cmd.
b. Type  ping followed by the IP address for your product.
c. If the window displays round-trip times, the network is working.
2. 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.
The product is using incorrect link and duplex settings for the network
Hewlett-Packard recommends leaving this setting in au tomatic mode (the default setting). If you change
these settings, you must also change them for your network.
New software programs might be causing compatibility problems
Verify that any new software programs are correctly  installed and that they use the correct printer
driver.
The computer or workstation might be set up incorrectly
1. Check the network drivers, printer drivers, and the network redirection.
2. Verify that the operating system is configured correctly.
The product is disabled, or other network settings are incorrect
1.Review the configuration page to check the status of the network protocol. Enable it if necessary.
2. Reconfigure the network settings if necessary.
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							Solve product software problems with Windows
A printer driver for the product is not visible in the Printer folder
1.Reinstall the product software.
NOTE: Close any applications that are running. To close an application that has an icon in the
system tray, right-clic k the icon, and select  Close or Disable .
2.Try plugging the USB cable into a different USB port on the computer.
An error message was displayed during the software installation
1.Reinstall the product software.
NOTE: Close any applications that are running. To close an application that has an icon in the
system tray, right-clic k the icon, and select  Close or Disable .
2.Check the amount of free space on the drive where you are installing the product software. If
necessary, free up as much space as you can, and reinstall the product software.
3. If necessary, run the Disk Defragmenter, and reinstall the product software.
The product is in Ready mode, but nothing prints
1.Print a configuration page, and verify the product functionality.
2. Verify that all of the cables are correctly seated and within specifications. This includes the USB
and power cables. Try a new cable.
3. Verify that the IP address on the configuration page matches the IP address for the software port.
Use one of the following procedures:
Windows XP, Windows Server 2003, Windows Server 2008, and Windows Vista a.Click  Start .
b. Click  Settings .
c. Click  Printers and Faxes  (using the default Start menu view) or click  Printers (using the
Classic Start menu view).
d. Right-click the product driver icon, and then select  Properties.
e. Click the Ports  tab, and then click  Configure Port.
f. Verify the IP address, and then click  OK or Cancel .
g. If the IP addresses are not the same, delete the driver, and reinstall the driver using the
correct IP address.
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							Windows 7a.Click  Start .
b. Click  Devices and Printers .
c. Right-click the product driver icon, and then select  Printer properties.
d. Click the Ports  tab, and then click  Configure Port.
e. Verify the IP address, and then click  OK or Cancel .
f. If the IP addresses are not the same, delete the driver, and then reinstall the driver using the
correct IP address.
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							Solve product software problems with Mac
●The product name does not appear in the product list in the Print & Fax list
●
The printer driver does not automatically set up  the selected product in the Print & Fax list
●
A print job was not sent to the product that you wanted
●
When connected with a USB cable, the product does  not appear in the Print & Fax list after the
driver is selected.
●
You are using a generic printer driver when using a USB connection
The product name does not appear in the product list in the Print &
Fax list
1. Make sure that the cables are connected correctly and the product is on.
2. Print a configuration page to check the product name. Verify that the name on the configuration
page matches the product name in the Print & Fax list.
3. Make sure the product and computer are on the same network or connected with a USB cable.
4. Replace the USB or network cable with a high-quality cable.
The printer driver does not automatically set up the selected
product in the Print & Fax list
1.Make sure that the cables are connected correctly and the product is on.
2. Make sure that the product .GZ file is in the following hard-drive folder:  Library/Printers/PPDs/
Contents/Resources . If necessary, reinstall the software.
3. If the GZ file is in the folder, the PPD file migh t be corrupt. Delete the file and then reinstall the
software.
4. Replace the USB or network cable with a high-quality cable.
A print job was not sent to the product that you wanted
1.Open the print queue and restart the print job.
2. Another product with the same or similar name  might have received your print job. Print a
configuration page to check the product name. Verify that the name on the configuration page
matches the product name in the Print & Fax list.
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							When connected with a USB cable, the product does not appear in
the Print & Fax list after the driver is selected.
Software troubleshooting▲Make sure that your Mac operating system is Mac OS X v10.5 or v10.6.
Hardware troubleshooting 1.Make sure that the product is turned on.
2. Make sure that the USB cable is connected correctly.
3. Make sure that you are using the appropriate High-Speed USB cable.
4. Make sure that you do not have too many USB devices drawing power from the chain. Disconnect
all of the devices from the chain, and connect the cable directly to the USB port on the computer
5. Check to see if more than two non-powered US B hubs are connected in a row on the chain.
Disconnect all of the devices from the chain, an d then connect the cable directly to the USB port
on the computer.
NOTE: The iMac keyboard is a non-powered USB hub.
You are using a generic printer driver when using a USB
connection
If you connected the USB cable before you installed the software, you might be using a generic printer
driver instead of the driver for this product.
1.Delete the generic printer driver.
2. Reinstall the software from the product CD. Do not connect the USB cable until the software
installation program prompts you.
3. If multiple printers are installed, make sure th at you have selected the correct printer in the
Format For  drop-down menu in the  Print dialog box.
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							A Supplies and accessories
●Order parts, accessories, and supplies
●
Part numbers
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							Order parts, accessories, and supplies
Order supplies and paperwww.hp.com/go/suresupply
Order genuine HP parts or accessories
www.hp.com/buy/parts
Order through service or support providers Contact an HP-authorized service or support provider.
Order using HP software
Use the HP Embedded Web Server on page 170
222 Appendix A   Supplies and accessories ENWW