Manual for Keurig B40 Coffee Maker

The Keurig B40 is a single-serve coffee brewing system featuring K-Cup pod compatibility, programmable auto on/off, adjustable cup size (6oz, 8oz, 10oz), 48oz removable water reservoir, descale indicator, energy saving mode, and drip tray with removable parts. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

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

Features at a Glance

Key components: K-Cup pod holder, water reservoir, brew button, power button, LCD display, drip tray, water filter holder.

Feature	Description
K-Cup Pod Holder	For inserting single-serve coffee pods
Water Reservoir	48oz removable tank with handle
LCD Display	Shows brew size, clock, and status messages
Brew Button	Starts brewing process
Power Button	Turns coffee maker on/off
Drip Tray	Removable for easy cleaning
Cup Size Selector	Adjusts brew size (6oz, 8oz, 10oz)
Descale Indicator	Alerts when descaling is needed
Auto On/Off	Programmable power schedule
Energy Saving Mode	Reduces power consumption

Installation

Unpack and inspect contents. Place on clean, level surface.

Remove all packaging materials from inside and outside the brewer.
Wash removable water reservoir with warm, soapy water and rinse thoroughly.
Place brewer on stable, level counter away from heat sources and water.
Fill water reservoir with fresh cold water and reinstall.
Plug into 120V AC power outlet.

WARNING! Do not use without water. Keep away from children. Ensure brewer is on stable surface.

First-Time Setup

Prime the brewing system before first use.

Plug in brewer and press power button to turn on.
Lift and close handle without K-Cup pod to prime system.
Place mug on drip tray and press brew button to run water through system.
Repeat brewing cycle 2-3 times with fresh water to clean system.
Set clock and auto on/off times using control buttons.

CAUTION! Use only Keurig-approved K-Cup pods. Do not use ground coffee without accessory.

Specifications

Dimensions: 13.5" H x 10.2" W x 13.2" D
Water Reservoir: 48oz removable
Brew Sizes: 6oz, 8oz, 10oz
Power: 120V AC, 60Hz, 1470W
Brew Time: Under 1 minute
Compatibility: All Keurig K-Cup pods
Display: LCD with clock and status indicators
Weight: 8.5 lbs
Warranty: 1 year limited

Controls and Settings

Access settings via control buttons and LCD display.

Front Panel: POWER, BREW, CUP SIZE, MENU, SELECT, UP/DOWN arrows.

Brew Settings: Cup size selection (6oz, 8oz, 10oz), brew strength, temperature control. System Settings: Clock set, auto on/off programming, energy saving mode, descale alert, factory reset. Display: Shows current time, brew size, status messages, and maintenance alerts.

Brewing Coffee

Simple one-touch brewing with K-Cup pods.

Lift handle and insert K-Cup pod into pod holder.
Close handle firmly until it locks in place.
Place mug on drip tray (minimum 5oz capacity).
Select desired brew size using CUP SIZE button.
Press BREW button to start brewing cycle.
Wait for brewing to complete (less than 1 minute).
Remove mug and enjoy your beverage.

Tip: For stronger coffee, select smaller brew size. Always use fresh water.

Maintenance & Cleaning

Regular cleaning ensures optimal performance and beverage quality.

Daily: Wipe exterior with damp cloth.
Weekly: Remove and wash drip tray, K-Cup holder, and water reservoir.
Monthly: Clean water reservoir with vinegar solution to remove mineral deposits.
As needed: Replace water filter every 2 months or 60 tank refills.
Descale when indicator light appears (approximately every 3-6 months).

CAUTION! Unplug brewer before cleaning. Do not immerse in water.

Descaling Procedure

Remove mineral buildup to maintain brewing performance.

Empty water reservoir and fill with Keurig descaling solution or white vinegar.
Place large mug (at least 10oz) on drip tray.
Press POWER and BREW buttons simultaneously for 3 seconds to enter descale mode.
Press BREW button to start descaling cycle.
Repeat brewing until "ADD WATER" message appears.
Rinse reservoir thoroughly and fill with fresh water.
Brew multiple cycles with fresh water to rinse system completely.

WARNING! Use only Keurig-approved descaling solution. Rinse thoroughly after descaling.

Regulatory Information

UL listed; complies with FCC Part 15. Copyright © 2025 Keurig Green Mountain, Inc. All rights reserved. Keurig and 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	Power connection	Check power cord; ensure outlet is working; press power button firmly.
No water flow	Clogged needle/reservoir	Descale brewer; check water reservoir position; clean exit needle.
Small cup of coffee	Brew size setting	Select larger brew size; check for clogs in water path.
Leaking water	Loose connections	Ensure reservoir properly seated; check hose connections; replace O-rings.
Descale light on	Mineral buildup	Perform descaling procedure; reset descale indicator.
Poor coffee taste	Old water/filter	Use fresh water; replace water filter; clean brewing system.

Reset: Unplug for 2 minutes then restart. Factory reset: Hold POWER + BREW for 10 seconds.

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