HP K550 User's Guide - 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