Close the hopper cover. 1. 2. 3. 4. Turn over for Cleaning & Sanitization instructions →Keurig K4000 Operation And Maintenance Manual - Page 2 · 1. Read all instructions before using. · 2. Do not touch hot surfaces. · 3. This appliance must be except as instructed in the Cleaning instructions of the Owner's Manual. K4000. Water supply version. ELECTRICAL DATA. See brewer plate. We have 2 Keurig K4000 manuals available for free PDF download: Operation And Maintenance, Daily Cleaning Tasks. Keurig K4000 Operation And Maintenance (32