HP Officejet 6500 - Manual (Page 10)

9 Maintain and troubleshoot
Work with ink cartridges..........................................................................................................143
Information on ink cartridges and the printhead...............................................................144
Check the estimated ink levels.........................................................................................144
Replace the ink cartridges................................................................................................145
Advanced ink cartridge maintenance...............................................................................147
Clean the sensor........................................................................................................148
Clean the sensor windows on the ink cartridges........................................................149
Advanced printhead maintenance....................................................................................151
Clean the printhead....................................................................................................151
Align the printer..........................................................................................................152
Usage information collection............................................................................................153
Print and evaluate a print quality report..................................................................................154
To print a print quality report.............................................................................................154
To evaluate the Print Quality Diagnostic Page.................................................................155
Ink Levels....................................................................................................................155
Good color bars..........................................................................................................155
Ragged, irregularly streaked, or faded bars...............................................................156
Regular white streaks in the bars...............................................................................157
Bar colors are not uniform..........................................................................................157
Large Black Font Text................................................................................................158
Alignment Patters.......................................................................................................158
Clean the device.....................................................................................................................159
Clean the scanner glass...................................................................................................159
Clean the exterior.............................................................................................................160
Clean the automatic document feeder..............................................................................160
General troubleshooting tips and resources...........................................................................163
Solve printing problems..........................................................................................................164
The device shuts down unexpectedly...............................................................................164
Error message appears on control-panel display.............................................................165
Device takes a long time to print......................................................................................165
Blank or partial page printed.............................................................................................165
Something on the page is missing or incorrect.................................................................166
Placement of the text or graphics is wrong.......................................................................166
Print troubleshooting...............................................................................................................167
Envelopes print incorrectly...............................................................................................168
The product is not responding..........................................................................................168
The product prints meaningless characters......................................................................171
Nothing happens when I try to print..................................................................................172
The margins are not printing as expected........................................................................175
Text or graphics are cut off at the edge of the page.........................................................176
A blank page came out while printing...............................................................................178
6