HP LaserJet Enterprise M4555h User Manual

							3.Loosen and remove the two retaining screws holding the cover for the EIO slot, and then remove
the cover. You will not need these screws and the cover again. They can be discarded.
4.Firmly insert the HP Jetdirect print server card into the EIO slot.
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							5.Insert and tighten the retaining screws that came with the print server card.
6.Reconnect the power cable and remaining in terface cables, and turn the product on.
7.Print a configuration page. An HP Jetdirect configuration page that contains network configuration
and status information should also print.
If it does not print, turn the product off, and then uninstall and reinstall the print server card to
ensure that it is completely seated in the slot.
8. Perform one of these steps:
●Choose the correct port. See the computer
 or operating system documentation for
instructions.
● Reinstall the software, choosing the network installation this time.
Clean the product
To clean the product exterior, use a soft, water-moistened cloth.
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							Clean the paper path
1.From the Home screen, touch the  Device Maintenance button.
2. Open the following menus:
●Calibration/Cleaning
● Cleaning Page
3. Touch the  Print button to print the page.
4. The cleaning process can take several minutes.  When it is finished, discard the printed page.
Clean the scanner glass
NOTE:If streaks or other defects appear only on copies made by using the document feeder, clean
the scanner strip with a soft cloth or sponge that has been moistened with nonabrasive glass cleaner.
The scanner strip is located along the left-hand side of the scanner glass. It is not necessary to clean the
entire scanner glass.
Over time, specks of debris might collect on the scanner glass and white plastic backing, which can
affect performance. Use the following procedure to  clean the scanner glass and white plastic backing.
1. Use the power switch to turn off the product,
and then unplug the power cord from the
electrical socket.  
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							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. Dry the glass and white plastic
backing with a chamois or a cellulose sponge
to prevent spotting.
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.
NOTE: Carefully clean the small glass strip
to the left of the scanner glass. Small marks on
this glass result in streaks on copies made from
the document feeder.  
4.
Plug in the product, and then use the power
switch to turn on the product.  
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							Product updates
To download the most recent firmware upgrade for the product, go to www.hp.com/go/
ljm4555mfp_firmware.
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							13 Solve problems
●Self help
●
Solve problems checklist
●
Restore factory settings
●
Interpret control-panel messages
●
Paper feeds incorrectly or becomes jammed
●
Improve print quality
●
The product does not print or it prints slowly
●
Solve walk-up USB printing problems
●
Solve connectivity problems
●
Solve product software problems with Windows
●
Solve product software problems with Mac
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							Self help
In addition to the information in this guide, other sources are available that provide helpful information.
Printable poster for using the product
control panelThis poster is available on the product CD. It prints on four pages that you can post
near the product. It contains information on using the buttons and other features
available on the product control panel.
Quick Reference Topics Several Quick Reference Topics for this product are available at this Web site:
www.hp.com/support/ljm4555mfp
You can print these topics and keep them near the product. They are a handy
reference for procedures that you perform frequently.
Quick Reference Guide This guide contains procedures for the most commonly used product functions. The
guide is available from this Web site: 
www.hp.com/support/ljm4555mfp
You can print this guide and keep it near the product.
Control panel help The control panel has built-in help that guides you through several tasks, such as replacing the print cartridge and clearing jams.
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							Solve problems checklist
Follow these steps when trying to solve a problem with the product.
1.Make sure the product Ready light is on. If no lights are on, complete these steps:
a.Check the power-cable connections.
b. Check that the power is turned on.
c. Make sure that the line voltage is correct fo r the product power configuration. (See the label
that is inside the product for voltage requirements.) If you are using a power strip and its
voltage is not within specifications, plug the pr oduct directly into the wall. If it is already
plugged into the wall, try a different outlet.
d. If none of these measures restores power, contact HP Customer Care.
2. Check the cabling.
a.Check the cable connection between the product and the computer or network port. Make
sure that the connection is secure.
b. Make sure that the cable itself is not faul ty by using a different cable, if possible.
c. Check the network connection.
3. The control panel should indicate ready status. If an error message appears, resolve the error.
4. Ensure that the paper that you are using meets specifications.
5. Print a configuration page.
a.From the Home screen on the product control panel, open the following menus:
◦Administration
◦ Reports
◦ Configuration/Status Pages
◦ Configuration Page
b. Touch the  Print button.
If the pages do not print, check that at least one tray contains paper.
If the page jams in the product, follow the instructions on the control panel to clear the jam.
6. If the configuration page prints, check the following items:
a.If the page does not print correctly, the pr oblem is with the product hardware. Contact
HP Customer Care.
b. If the page prints correctly, then the product hardware is working. The problem is with the
computer you are using, with the printer driver, or with the program.
7. Select one of the following options:
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							Windows: Click Start, click Settings , and then click  Printers or Printers and Faxes .
Double-click the name of the product.
-or-
Mac OS X : Open the Printer Setup Utility  or the Print & Fax  list, and double-click the line
for the product.
8. Verify that you have installed the printer driver  for this product. Check the program to make sure
that you are using the printer driver for this product. The printer driver is on the CD that came with
the product. You can also download the printer driver from this Web site: 
www.hp.com/support/
ljm4555mfp .
9. Print a short document from a different program that  has worked in the past. If this solution works,
then the problem is with the program you are using.  If this solution does not work (the document
does not print), complete these steps:
a. Try printing the job from another computer that has the product software installed.
b. If you connected the product to the network, co nnect the product directly to a computer with
a USB cable. Redirect the product to the correct  port, or reinstall the software, selecting the
new connection type that you are using.
Factors that affect product performance
Several factors affect the time it takes to print a job:
● Maximum product speed, measured in pages per minute (ppm)
● The use of special paper (such as transparencies, heavy paper, and custom-size paper)
● Product processing and download time
● The complexity and size of graphics
● The speed of the computer you are using
● The USB connection
● The product I/O configuration
● The network operating system and configuration (if applicable)
● The printer driver that you are using
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