HP K550 6

To align the printheads.........................................................................................................	33
To calibrate the linefeed.......................................................................................................	33
To clean the printheads........................................................................................................	33
To clean the printhead contacts manually............................................................................	34
To replace the printheads.....................................................................................................	36
Calibrating the color...............................................................................................................................	37
Troubleshooting tips and resources......................................................................................................	38
General troubleshooting tips..................................................................................................................	39
Resolving printing problems..................................................................................................................	40
Printer shuts down unexpectedly..........................................................................................	40
All printer lights are on..........................................................................................................	40
Printer is not responding (nothing prints)..............................................................................	40
Printer does not accept printhead.........................................................................................	41
Printer takes a long time to print...........................................................................................	41
Blank page printed................................................................................................................	42
Something on the page is missing or incorrect.....................................................................	42
Placement of the text or graphics is wrong...........................................................................	42
Poor print quality and unexpected printouts..........................................................................................	44
Poor quality printouts............................................................................................................	44
Meaningless characters print................................................................................................	44
Ink is smearing......................................................................................................................	45
Ink is not filling the text or graphics completely....................................................................	45
Output is faded or dull colored..............................................................................................	45
Colors are printing as black and white..................................................................................	46
Wrong colors are printing......................................................................................................	46
Printout shows bleeding colors.............................................................................................	46
Colors do not line up properly...............................................................................................	46
Lines or dots are missing from text or graphics....................................................................	46
Resolving paper-feed problems............................................................................................................	47
Tray cannot be inserted .......................................................................................................	47
Another paper-feed problem is occurring.............................................................................	47
Resolving printer management problems..............................................................................................	49
Embedded Web server cannot be opened...........................................................................	49
Troubleshooting installation issues.......................................................................................................	50
Problems printing an alignment page...................................................................................	50
Problems installing software.................................................................................................	50
Problems connecting to a network........................................................................................	50
Problems connecting to a wired network..............................................................................	51
Problems setting up or using wireless communication.........................................................	51
Clearing jams.........................................................................................................................................	54
To clear a jam.......................................................................................................................	54
To avoid jams........................................................................................................................	56
5 Printer lights reference
Interpreting control panel lights.............................................................................................................	58
Interpreting network connector lights....................................................................................................	62
6 Configuring and managing the printer
Managing the printer..............................................................................................................................	66
Overview of printer management tasks ...............................................................................	66

ENWW