HP Designjet 500 Plus - Pocket Guide

44 Replacing Printheads
12 Finally close the window.
After the replacement of the printheads, the
printer checks that they are all functioning
correctly; this may take several minutes..
You will see the front-panel message “HP No. 11
printheads successfully installed”.
Then the printhead alignment procedure starts,
see the next section.
Aligning Printheads
The printhead alignment procedure requires paper to
be loaded, and will take several minutes to perform.
You can start the procedure yourself, for example,
after clearing a paper jam, as follows:
1 From the main front-panel menu, select Ink
System ( ) and press Enter.
2 Select Align Printheads and press Enter.
3 Choose either Standard (which will take about
4½ minutes, and which is recommended for
normal use) or Special (which takes about