HP Officejet Pro K550 Printer - Manual (Page 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
iv ENWW