From the manual I found online here
COMPLETELY CLEAN AND DRY
ALL PARTS AFTER EVERY USE.
Always turn coffeemaker OFF and
remove the plug from the electrical outlet
Open the reservoir lid*. Remove the grinder
basket lid by using the recessed area on
each side of the lid. Then remove Grinder
Basket. Open Filter Basket Door. Remove
Filter Basket Cover, Filter Basket and Filter
The grinder basket, grinder basket lid, filter
basket and filter basket cover can be washed
in warm soapy water and rinsed thoroughly, or
cleaned in the upper rack of the dishwasher.
Dry all parts after every use.
Do not put any water in the unit once the
grinder basket has been removed. Wipe the
area under the grinder basket with a damp
cloth. If water gets into the grinder motor,
the motor may become damaged and
Decalcification refers to removing the calcium
deposits which form over time on the metal
parts of the coffeemaker.
For best performance from your coffeemaker,
decalcify the base unit from time to time.
The frequency depends upon the hardness
of your tap water and how often you use
To clean, fill the water reservoir to capacity
with a mixture of 1/3 white vinegar and 2/3
water. Turn the coffeemaker on by pressing the
ON button. One cycle should be sufficient to
adequately clean the coffeemaker. When the
cycle is completed and the five beeps sound,
turn coffeemaker off. Repeat operation, this
time using fresh cold water.