HP Designjet T3500 Production eMFP - Manual (Page 163)

8. Grasp the printhead by the blue pieces on each side.
9. Lift the printhead out of the carriage.
Insert the printhead
NOTE: You cannot insert a new printhead successfully if a connected ink cartridge has not enough ink to
complete the printhead replacement process. In this case, you should replace the ink cartridge before
inserting the new printhead. You can use the old cartridge later if it still contains some ink.
1. Insert the new printhead.
CAUTION: Insert the printhead slowly and vertically, straight down. It may be damaged if you insert it
too fast, or at an angle, or if you rotate it as you insert it.
ENWW Insert the printhead 153