Keurig Model B40 User Manual

The Keurig Model B40 is a single-serve coffee brewing system featuring a 48-ounce removable water reservoir, programmable auto on/off, energy saving mode, multiple brew sizes (6, 8, 10 oz), descale indicator, removable drip tray, and compatibility with all K-Cup pods. 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 Process 7. Maintenance & Cleaning 8. Descaling Procedure 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Brew chamber, Water reservoir, Control panel, Drip tray, Power base.

FeatureDescription
Water Reservoir48-ounce removable reservoir with handle
Brew Sizes6, 8, and 10 ounce programmable options
Control PanelLCD display with brew size buttons and power
Auto On/OffProgrammable 2-hour auto shut-off
Energy Saving ModeReduces power consumption when not in use
Descale IndicatorAlerts when descaling is required
Removable Drip TrayAccommodates travel mugs up to 7.2 inches
K-Cup Pod CompatibilityWorks with all K-Cup pod varieties
Power Base120V AC power connection
Brew ButtonInitiates brewing process

Installation & Setup

Unpack and inspect all components. Place on clean, level surface.

  1. Remove packaging materials and stickers from all surfaces.
  2. Wash removable water reservoir with warm, soapy water and rinse thoroughly.
  3. Place brewer on stable, level counter away from heat sources and water.
  4. Fill reservoir with fresh cold water and reinstall properly.
  5. Plug power cord into grounded 120V outlet.

WARNING! Do not use without water. Ensure reservoir is properly seated before use.

First-Time Use

Prime the brewing system before first use.

  1. Ensure brewer is plugged in and water reservoir is filled.
  2. Lift and close handle without inserting K-Cup pod.
  3. Place mug on drip tray.
  4. Press power button to turn brewer on.
  5. Select 10 oz brew size and press brew button.
  6. Allow complete cycle to run without pod (this primes the system).
  7. Repeat process 2-3 times to ensure system is fully primed.

CAUTION! Water will be hot. Keep hands clear during brewing cycle.

Specifications

Controls and Settings

Control panel features: Power button, Brew size buttons (6, 8, 10 oz), LCD display.

Programming: Press and hold desired brew size button for 3 seconds to set as default. Auto on/off: Press power button twice to program 2-hour shut-off.

Brew Size Settings: 6 oz for strong coffee, 8 oz for regular, 10 oz for mild. Energy Saving: Automatically enters low-power mode after 5 minutes of inactivity. Descaling Indicator: Flashes when descaling is required.

Brewing Process

Step-by-step brewing instructions.

  1. Lift handle to open brew chamber.
  2. Insert K-Cup pod (any variety).
  3. Close handle firmly until it clicks.
  4. Place mug on drip tray (max height 7.2 inches).
  5. Select desired brew size (6, 8, or 10 oz).
  6. Press brew button to start cycle.
  7. Brewing completes automatically in approximately 1 minute.
  8. Wait for dripping to stop before removing mug.

Tip: For best results, use filtered water and store K-Cups in cool, dry place.

Maintenance & Cleaning

Regular maintenance ensures optimal performance.

  1. Daily: Wipe exterior with damp cloth; empty drip tray.
  2. Weekly: Remove and wash water reservoir, drip tray, and funnel.
  3. Monthly: Clean needle with paper clip to remove coffee grounds.
  4. As needed: Descale when indicator light flashes.

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

Descaling Procedure

Required every 3-6 months depending on water hardness.

  1. Purchase Keurig descaling solution or use vinegar solution.
  2. Empty water reservoir and fill with descaling solution.
  3. Place large mug on drip tray.
  4. Press power and brew buttons simultaneously for 3 seconds.
  5. Select 10 oz brew size and run multiple cycles until reservoir empty.
  6. Rinse reservoir thoroughly and fill with fresh water.
  7. Run several water-only cycles to rinse system completely.
  8. Descale indicator will reset automatically.

WARNING! Use only Keurig-approved descaling solutions.

Regulatory Information

UL listed; FCC Part 15 compliant. Copyright © 2025 Keurig Green Mountain, Inc. All rights reserved. For support, visit www.keurig.com or contact 1-866-901-2739. This appliance is for household use only.

Troubleshooting

SymptomPossible CauseCorrective Action
Brewer won't turn onPower connectionCheck power cord; ensure outlet works; reset circuit breaker.
No water flowClogged needle/reservoirClean exit needle; ensure reservoir seated properly; descale.
Small cup of coffeeMineral buildupDescale brewer; check water reservoir fill level.
Leaking waterLoose connectionsCheck reservoir seating; inspect water tank for cracks.
Coffee tastes weakBrew size/water qualityUse smaller brew size; try different K-Cup; use filtered water.
Descale light flashingMineral buildupPerform descaling procedure immediately.

Reset: Unplug for 2 minutes then restart.

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

Keurig Model B40 User Manual © - All Rights Reserved 2025