Install the HP DesignJet PostScript Upgrade
1 If the printer is turned on, turn it off at the front panel.
2 Looking at the rear of the printer, remove the paper path deflector from the left rear
3 Switch the printer off at the power isolator switch at the back of the printer and
2
side of the printer. To do this, push the two slots in the deflector downwards and
then pull it towards you.
disconnect the power cord and the interface cable.
Power Cord
Power Off the Printer