Q5669-60673 HP Designjet T610 24" wide carriage belt. Will fit on the HP Designjet T510 24" wide printer. If you have the 86:01 error code/check paper path the belt will need to be replaced.
q6659-60175 HP Designjet T610 44" Carriage belt assembly. This belt will fix the 86:01 error code in most cases. If you HP Designjet T610 44" plotter has a dry or rotted belt it will need to be replaced.
Q6711-60024 HP Designjet T610 SATA Board
Q6711-67004 Formatter Board for Designjet T610 SATA Drive