KitchenAid Pro Line KPCM050 Owner's Manual page 28

COFFEE BREWING
SUGGESTIONS:
ADVICE FOR GREAT TASTE
Coffee Maker Cleanliness
Coffee oils build up quickly within the brew basket and carafe.
Over time, these oils will go stale and taint the flavor of freshly
brewed coffee. Daily cleaning of the brew basket, brew basket
insert, and carafe is strongly recommended for the
best-tasting coffee.
Warming Plate Temperature
If you intend to keep coffee on the warming plate for an
extended period, use the "low" temperature setting. This will help
preserve coffee flavor.
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