HP Pro L7400 7

Contents
Configure the device (Windows) .............................................................................................	50
Direct connection ..............................................................................................................	50
Install the software before connecting the device (recommended) .............................	50
Connect the device before installing the software .......................................................	51
Share the device on a locally shared network .............................................................	51
Configure the device (Mac OS) ..............................................................................................	52
Install the software for a direct connection ........................................................................	52
Share the device on a locally shared network ..................................................................	52
Uninstall and reinstall the software .........................................................................................	53
8 Maintain and troubleshoot
Supported ink cartridges .........................................................................................................	56
Replace the ink cartridges ......................................................................................................	56
Maintain the printheads ..........................................................................................................	57
Check printhead health .....................................................................................................	58
Print the print quality diagnostic page ...............................................................................	58
Align the printheads ..........................................................................................................	59
Calibrate the linefeed ........................................................................................................	60
Clean the printheads .........................................................................................................	60
Clean the printhead contacts manually .............................................................................	60
Replace the printheads .....................................................................................................	63
Store printing supplies ............................................................................................................	64
Store ink cartridges ...........................................................................................................	65
Store printheads ...............................................................................................................	65
Clean the device .....................................................................................................................	65
Clean the scanner glass ...................................................................................................	65
Clean the exterior .............................................................................................................	66
Troubleshooting tips and resources ........................................................................................	66
Solve printing problems ..........................................................................................................	66
The device shuts down unexpectedly ...............................................................................	67
Error message appears on control-panel display ..............................................................	67
The device is not responding (nothing prints) ...................................................................	67
Device does not accept printhead .....................................................................................	68
Device takes a long time to print .......................................................................................	68
Blank or partial page printed .............................................................................................	68
Something on the page is missing or incorrect .................................................................	69
Placement of the text or graphics is wrong .......................................................................	69
The device prints half a page, then ejects the paper ........................................................	70
Poor print quality and unexpected printouts ............................................................................	70
Poor quality printouts ........................................................................................................	71
Meaningless characters print ............................................................................................	71
Ink is smearing .................................................................................................................	72
Ink is not filling the text or graphics completely .................................................................	72
Output is faded or dull colored ..........................................................................................	72
Colors are printing as black and white ..............................................................................	72
Wrong colors are printing ..................................................................................................	73
Printout shows bleeding colors .........................................................................................	73
Colors do not line up properly ...........................................................................................	73
Lines or dots are missing from text or graphics ................................................................	73