HP K550 manual Printer lights reference, Configuring and managing the printer

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

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