HP Officejet 7110 Wide Format ePrinter - H812a - Manual (Page 177)

The cartridge cradle cannot move
Something is blocking the ink cartridge cradle (the part of the printer that holds the ink cartridges).
To clear the obstruction, press the (Power) button to turn off the printer, and then check the printer
for jams.
For more information, see Clear jams on page 90.
164 Appendix F Errors (Windows) ENWW