HP Officejet 7612 Wide Format e-All-in-One - Manual (Page 277)

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 158.
260 Appendix G Errors (Windows) ENWW