HP Designjet T920 ePrinter series - Manual (Page 138)

3. The carriage moves automatically to the left side of the printer.
CAUTION: If the carriage is left in the removal position for more than three minutes without inserting
or removing the printhead, it tries to move back to its normal position in the right-hand end.
4. Raise the blue printhead cover.
5. Pull the blue cover back towards you, raising the black piece to which it is attached.
130 Chapter 14 Handling ink cartridges and printhead ENWW