512FILLING THE WATER TANKA LTERNATIVELY, you can preheat more rapidly byproceeding as follows:1. TURN THE APPLIANCE on by pressing the ON/OFFBUTTON AND ATTACH THE FILTER HOLDER TO THE APPLI -ANCE WITHOUT ADDING GROUND COFFEE .2. P LACE A CUP UNDER THE FILTER HOLDER . Use thesame cup as will be used to prepare the coffeein order to preheat it.3. WAIT FOR THE OK INDICATORLIGHT to come on, then imme-diately press the coffee knob.Run the water off until the OKindicator light goes out, theninterrupt delivery by pressing thecoffee button again.4. E MPTY THE CUP. Wait until the OKindicator light comes on again thenrepeat the same operation. (It is normal for asmall and harmless puff of steam to be givenoff when removing the filter holder).R EMOVE THE WATERTANK by pulling it out (to-wards the front).N EVER USE THE APPLIANCE WITHOUT WATER INTHE TANK and always remember to top upwhen the level drops to a couple of centime-tres from the bottom.FILL THE TANK with freshclean water taking carenot to exceed the MAXlevel. Refit the tank.PREHEATING THE COFFEE UNITTO OBTAIN ESPRESSO COFFEE at the right tempera-ture, the coffee machine must be preheated.Press the ON/Off button at least 15to 30 minutes before making thecoffee, making sure the filter holderis attached to the appliance (checkthat the steam knob is closed).TO ATTACH THE FILTER HOLDER , position it under theboiler outletwith the han-dle towardsthe left,push itupwardsand at thesame time rotate thehandle firmly towards the right.WAIT FOR HALF AN HOUR , then make the coffee asdescribed in the following section.