20 Most Recent HP LaserJet 5550DN Printer Questions & Answers

Try Using the HP Print Diagnostic Utility in Windows - HP Customer Care (United States - English)

The waste toner on a 5550 is deposited in a tank that is mounted on the transfer belt

Clear waste toner tank
check out for leakages
clean inside
if you have vacuum cleaner for technicians
use it to extract all leak toners

Firmware error, try perform a cold reset on the printer.
Turn off and on the powerswitch, when printer start count memory press enter button until select language came up in display, release the enter button, use the arrow until cold reset is displayed, press enter and the printer will reboot. When the printer goes to ready upgrade firmware on it.

A code error 59:

Description A printer motor error has occurred. This message might also appear if the ETB is missing or incorrectly installed. Ensure that the ETB is installed correctly. Action

1. Press the green (Select) button to continue.
2. Turn the printer off, and then turn the printer on.
3. If the error message returns, turn the printer off.
4. Perform a cold reset.
   1. Turn the printer on.
   2. Watch the control panel.
   3. When the memory starts counting, press and hold the green (Select) button.
   4. Continue holding the green (Select) button until the Ready, Data, and Attention lights flash once, and then stay on steady.
   5. Release the check button when the Ready, Data, and Attention light are on steady. The control panel will display SELECT LANGUAGE.
   6. Press (Down Arrow) button once. The control panel will display COLD RESET.
   7. Press (Select). The printer will perform a cold reset and then continue its power-on sequence.
5. If this message persists, contact an HP-authorized service or support provider.

You can try cleaning the heads if it has that option on the print menu on your computer. They usually start slowing down some if the heads are hunky or dusty. If you're very careful you can use an air can and blow debris off the heads as well, you may also need a soft brush to get the stuck on stuff off.

10.10.00 SUPPLIES MEMORY ERROR alternates with For help press ? Possible printer control panel error message 10.10.00 SUPPLIES MEMORY ERROR Description An error has occurred in one or more of the printer supplies. Values of xx and yy are listed below: xx

• 10 = memory is missing

yy

• 00 = black print cartridge

Action

1. Turn the printer power off, and then turn the printer power on to clear the message.
2. If the message persists, click here to access to the HP support Web site at http://www.hp.com/support/lj2300 .

Call Expert At : 1800-314-8613

replace the chip..

Try to print clean page , Print a cleaning page During the printing process, paper, toner, and dust particles can accumulate inside the printer and can cause print quality issues such as toner specks or spatter, smears, streaks, lines or repeating marks. Follow these steps to clean the printer's paper path.

1. Load copier-grade paper (not bond, heavy, or rough paper).
2. On the printer's control panel, touch the Menu button.
3. Touch Configure Device .
4. Touch Print Quality .
5. Touch Process Cleaning Page .

A Cleaning message appears on the printer control panel display while the cleaning is taking place. The cleaning process takes a few minutes to complete. Do not turn the printer off until the cleaning process has finished. A page will be printed when the task is complete. Discard the page. You might need to repeat the cleaning process to thoroughly clean the printer. Print a few more pages to see if the problem is resolved.