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HP 4500/4550 printer printing entirely black page

HP 4500/4550 printers have very few major bugs, but if you know how to deal with some of the more usual problems will make your printer friendly companion with your tasks and projects.

Problem: HP 4500/4550 printer printing entirely black page

Possible causes and solutions:
Black page can result from high-voltage contact does not "springing back and having contact with the drum unit. This causes the ink to be applied to the entire page, resulting in the increase of the load of the roller of the transfer. The resulting page is usually black and tends to curl from excessive toner on the page. Cleaned the contact, and make sure that the spring extends the contact so that the connection is made of the drum unit. Cleaning of the roller of the transfer.

If this is a problem communicating with the printer then turn off the printer, unplug it from the electrical outlet, plug in, and then turn it on again. Turn off your computer for about five minutes, and then restart. Reload the drivers for your printer. Close all programs except program from which you are trying to print. Close the program you are trying to print from, and then try to print from another application. Try to print a test page from the printer itself. This ensures that the problem is definitely related software and not a hardware problem with the printer.

If you have connected a printer through a scanner, or other peripheral, connect the printer directly to your computer. Replace the cable with the cable, sure. If nothing else, try the printer with a different computer to make sure it works. If this doesn't help, try a different printer to the computer in order to ensure that your computer is not the problem.