HP LaserJet Enterprise M4555 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...

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...

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...

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...

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...

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...

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,...

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...

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...

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...