Keurig Model K40 User Manual

The Keurig Model K40 is a single-serve coffee brewing system designed for home use, featuring a 48-ounce removable water reservoir, multiple brew sizes (6, 8, 10 oz), a removable drip tray for taller mugs, an energy-saving auto-off function, a charcoal water filter, and a descaling alert. It uses K-Cup® pods for brewing coffee, tea, hot cocoa, and other beverages. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation & Setup 3. First-Time Use 4. Specifications 5. Controls and Settings 6. Brewing Beverages 7. Maintenance & Cleaning 8. Descaling Procedure 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Brewer with LCD display, Water Reservoir, Drip Tray, K-Cup® Pod Holder, Charcoal Water Filter, Power Cord.

Feature	Description
48 oz Removable Water Reservoir	Easy-fill, dishwasher safe (top rack)
Multiple Brew Sizes	6 oz, 8 oz, 10 oz programmable options
Removable Drip Tray	Accommodates travel mugs up to 7.3 inches
Energy Saving Auto-Off	Turns off after 90 seconds of inactivity
Charcoal Water Filter	Improves taste; filter kit included
Descaling Alert	LCD indicator prompts for cleaning
Brew Temperature Control	Optimal 192°F brewing temperature
LCD Display	Shows brew size, status messages, alerts
Power Button	Turns brewer on/off
Brew Button	Initiates brewing cycle

Installation & Setup

Unpack and inspect all components. Place brewer on a stable, level surface.

Remove packaging materials from inside and outside brewer.
Wash water reservoir and drip tray with warm, soapy water. Rinse thoroughly.
Insert charcoal water filter into reservoir (soak filter first per instructions).
Fill reservoir with fresh cold water and place on back of brewer.
Plug power cord into a 120V AC outlet.

WARNING! Do not use without water. Ensure brewer is unplugged during cleaning of external parts.

First-Time Use

Power on brewer; prime the system before first brew.

Press POWER button. LCD will light up and display "Add Water" if reservoir is empty.
Lift and lower brew handle without a K-Cup® pod to open and close needle.
Place a large mug (12 oz or more) on drip tray.
Select largest brew size (10 oz) and press BREW. Brewer will run water through system without a pod. Discard this water.
Repeat priming cycle once more. Brewer is now ready for use.

CAUTION! Water and brewed beverage will be hot. Keep hands clear during brew cycle.

Specifications

Model: K40 Single Serve Brewer.
Water Reservoir: 48 oz removable.
Brew Sizes: 6 oz, 8 oz, 10 oz (programmable).
Power: 120V AC, 60Hz, 1470W.
Brew Time: Under 1 minute per cup.
Dimensions: 10.1" W x 13.3" H x 11.2" D.
Weight: 6.2 lbs.
Compatibility: Uses licensed K-Cup® pods.
Warranty: 1-year limited.

Controls and Settings

Access functions via front panel buttons and LCD display.

Front Panel: POWER, BREW, 6 oz, 8 oz, 10 oz brew size buttons.

LCD Messages: "Ready", "Heating", "Brewing", "Add Water", "Descale".

Programming Brew Size: Press and hold desired brew size button (6, 8, 10 oz) for 3 seconds until LCD confirms. This sets it as default.

Auto-Off: Enabled by default (90 seconds). To disable: Press and hold POWER for 3 seconds on startup. Repeat to re-enable.

Brewing Beverages

Brew coffee, tea, hot cocoa, or other beverages using K-Cup® pods.

Ensure brewer is on and "Ready" is displayed. Place mug on drip tray.
Lift brew handle. Place a K-Cup® pod in pod holder. Close handle firmly.
Select brew size by pressing 6 oz, 8 oz, or 10 oz button. LCD will show selection.
Press BREW button. Brewing begins; progress shown on LCD.
When cycle completes, lift handle to eject used pod into storage drawer.

Tip: For stronger coffee, use smaller brew size with same pod. Preheat mug with hot water for optimal temperature.

Maintenance & Cleaning

Regular cleaning ensures optimal performance and taste.

Daily: Wipe exterior with damp cloth. Empty drip tray and pod holder.
Weekly: Remove and wash water reservoir, drip tray, and pod holder in warm, soapy water. Rinse thoroughly.
Monthly: Replace charcoal water filter (or every 2 months).
As Needed: Clean exit needle with paperclip if clogged (brewer unplugged).

CAUTION! Never immerse brewer base, cord, or plug in water. Unplug before cleaning.

Descaling Procedure

Descale when "Descale" alert appears or every 3-6 months to remove mineral buildup.

Fill reservoir with 48 oz white vinegar or Keurig Descaling Solution.
Place large mug on drip tray. Lift and lower handle (no pod).
Press POWER, then press and hold 10 oz and 8 oz buttons simultaneously for 3 seconds to enter descale mode.
Press BREW to start cycle. Half the solution will brew into mug. Discard.
Wait 30 minutes, then discard remaining solution from reservoir.
Rinse reservoir thoroughly. Fill with fresh water and run multiple brew cycles (no pod) until vinegar smell is gone.

WARNING! Use only approved descaling solutions. Rinse thoroughly to avoid vinegar taste.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. UL Listed. Copyright © Keurig Green Mountain, Inc. Keurig®, K-Cup® are registered trademarks. For support, visit www.keurig.com or contact 1-866-901-2739.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Brewer won't turn on	No power	Check outlet; ensure cord is plugged in firmly; try different outlet.
No water flow / small cup	Clogged needle/water lines	Unplug, clean exit needle with paperclip; descale brewer.
Water leaks	Loose reservoir/misaligned	Remove and re-seat reservoir; check for cracks.
LCD shows "Add Water"	Empty reservoir/low water	Fill reservoir; ensure it's seated properly.
Poor coffee taste	Old filter/mineral buildup	Replace charcoal filter; descale brewer; use fresh pods.
Brewer doesn't heat	Thermal fuse/component	Unplug, wait 1 hour, retry. If persists, contact service.

Reset: Unplug brewer for 2 minutes, then plug back in.

Service: 1-866-901-2739; www.keurig.com