HP LaserJet Enterprise M4555f User Manual

							Improve print quality for copies
If you encounter print quality problems in copied documents, review the solutions for printed documents
listed previously in this docu ment. However, some print-quality problems occur only in copied
documents.
● If streaks appear on copies made by using the document feeder, clean the small glass strip on the
left side of the scanner assembly.
● If dots or other defects appear on copies made by using the scanner glass, clean the scanner glass
and the white plastic backing.
1.
Use the power switch to turn off the product, an d then unplug the power cord from the electrical
socket.
2. Open the scanner lid.
3. Clean the scanner glass and the white plastic backing with a soft cloth or sponge that has been
moistened with nonabrasive glass cleaner.
CAUTION: Do not use abrasives, acetone, benzene, ammonia, ethyl alcohol, or carbon
tetrachloride on any part of the product; these can damage the product. Do not place liquids
directly on the glass or platen. They might seep and damage the product.
4. Dry the glass and white plastic backing with a chamois or a cellulose sponge to prevent spotting.
5. Plug in the product, and then use the power switch to turn on the product.
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							The product does not print or it prints slowly
The product does not print
If the product does not print at all, try the following solutions.
1.Make sure the product is turned on and that the control panel indicates it is ready.
◦If the control panel does not indicate the product is ready, turn the product off and then on
again.
◦ If the control panel indicates the product is ready, try sending the job again.
2. If the control panel indicates the product has an  error, resolve the error and then try sending the
job again.
3. Make sure the cables are all connected correctly. 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.
4. Install the HP software from the CD that came wi th the product. Using generic printer drivers can
cause delays clearing jobs from the print queue.
5. From the list of printers on your computer, right-click the name of this product, click  Properties,
and open the  Ports tab.
◦ If you are using a network cable to connect to 
the network, make sure the printer name listed
on the Ports  tab matches the product name on the product configuration page.
◦ If you are using a USB cable and are connecting 
to a wireless network, make sure the box is
checked next to  Virtual printer port for USB .
6. If you are using a personal firewall system on  the computer, it might be blocking communication
with the product. Try temporarily disabling the fire wall to see if it is the source of the problem.
7. If your computer or the product is connected  to a wireless network, low signal quality or
interference might be delaying print jobs.
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							The product prints slowly
If the product prints, but it seems slow, try the following solutions.
1.Make sure the computer meets the minimum sp ecifications for this product. For a list of
specifications, go to this Web site: 
www.hp.com/support/ljm4555mfp .
2. When you configure the product to print on some paper types, such as heavy paper, the product
prints more slowly so it can correctly fuse the to ner to the paper. If the paper type setting is not
correct for the type of paper you are using,  change the setting to the correct paper type.
3. If your computer is connected to a wireless network, low signal quality or interference might be
delaying print jobs.
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							Solve walk-up USB printing problems
●The Open from USB menu does not open when you insert the USB accessory
●
The file does not print from the USB storage accessory
●
The file that you want to print is not listed in the Open from USB menu
The Open from USB menu does not open when you insert the USB
accessory
1. You might be using a USB storage accessory or a file system that this product does not support.
Save the files on a standard USB storage access ory that uses File Allocation Table (FAT) file
systems. The product supports FAT12, FAT16, and FAT32 USB storage accessories.
2. If another menu is already open, close that menu and then reinsert the USB storage accessory.
3. The USB storage accessory might have multip le partitions. (Some USB storage accessory
manufacturers install software on the accessory th at creates partitions, similar to a CD.) Reformat
the USB storage accessory to remove the partit ions, or use a different USB storage accessory.
4. The USB storage accessory might require more power than the product can provide.
a.Remove the USB storage accessory.
b. Turn the product off and then on.
c. Use a USB storage accessory that has its own  power supply or that requires less power.
5. The USB storage accessory might not be functioning correctly.
a.Remove the USB storage accessory.
b. Turn the product off and then on.
c. Try printing from another USB storage accessory.
The file does not print from the USB storage accessory
1. Make sure paper is in the tray.
2. Check the control panel for messages. If paper is jammed in the product, clear the jam.
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							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 5 m (16.4 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
ProblemSolution
A printer driver for the product is
not visible in the  Printer folder Reinstall the product software.
NOTE:
Close any applications that are running. To close an application that has an icon in the system
tray, right-click the icon, and select  Close or Disable .
  Try plugging the USB cable into a different USB port on the computer.
An error message was displayed
during the software installation Reinstall the product software.
NOTE:
Close any applications that are running. To close an application that has an icon in the task
bar, right-click the icon, and select  Close or Disable .
  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.
  If necessary, run the Disk Defragmenter, and reinstall the product software.
The product is in Ready mode,
but nothing prints Print a Configuration page, and verify the product functionality.
  Verify that all of the cables are correctly seated and within specifications. This includes the USB and
power cables. Try a new cable.
  Verify the IP Address on the Embedded Jetdirect 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 Vista1.
Click  Start .
2. Click  Settings .
3. Click  Printers and Faxes  (using the default Start menu view)
or click  Printers  (using the Classic Start menu view).
4. Right-click the product driver icon, and then select  Properties.
5. Click the  Ports tab, and then click  Configure Port.
6. Verify the IP address, and then click  OK or Cancel .
7. If the IP Addresses are not the same, delete the driver, and
reinstall the driver using the correct IP address.
 Windows  71.Click  Start .
2. Click  Devices and Printers .
3. Right-click the product driver icon, and then select  Printer
properties .
4. Click the  Ports tab, and then click  Configure Port.
5. Verify the IP address, and then click  OK or Cancel .
6. If the IP Addresses are not the same, delete the driver, and
reinstall the driver using the correct IP address.  
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							Solve product software problems with Mac
●The printer driver is not listed in the Print & Fax list
●
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 printer driver is not listed in the Print & Fax list
1. Make sure that the product .GZ file is in the following hard-drive folder:  Library/Printers/PPDs/
Contents/Resources . If necessary, reinstall the software.
2. If the GZ file is in the folder, the PPD file migh t be corrupt. Delete the file and then reinstall the
software.
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. 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.
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							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.
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 10.5 or later.
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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