Refer to the following chart to see how often each Roomba® Plus 400 item should be maintained.
Note: iRobot® manufactures various replacement parts and assemblies. If you think you need a replacement part, please visit the iRobot Store - Parts and Accessories, contact iRobot Customer Care for more information, or use an authorized retailer or partner.
| Part | Care Frequency | Replacement Frequency | Care Procedure |
| Bin | Empty bin as needed | - | Bin Care |
| Main Brush | Once per week (twice per week in homes with pets) | Every 6-12 months | Brush Care |
| Charging Contacts | Clean every 2 weeks or as needed | - | Charging Contacts |
| Cliff Sensors | Clean once per month or as needed | - | Cliff Sensors Care |
| Filter | Once per week (twice per week in homes with pets) | Every 3-6 months | Filter Care |
| Front Caster Wheel | Once every 2 weeks or as needed | - | Front Caster Wheel Care |
| Edge Sweeping Brush | Once every 2 weeks or as needed | Every 3-6 months | Edge Sweeping Brush Care |
| Mopping Pad | Clean after a mopping job |
Every 3-6 months.
Dispose in household waste when no longer usable.
| Mopping Pad |
Replacement frequency may vary. Parts should be replaced if visible wear appears. If you think you need a replacement part, please contact iRobot Customer Care for more information.
Care and Maintenance for your Roomba® Plus 400 AutoWash Dock
To keeps your dock running at peak performance, perform the procedures below.
| Part | Care Frequency | Replacement Frequency |
| Charging Contacts | Once every month | - |
| Sensors | Clean once a month | - |
| IR window | Clean once a month | - |
| Bags | - | Bags should be replaced when prompted by the LED indicator or the Roomba® Home App |
| Clean Tank | Rinse and refresh water as needed | - |
| Dirty Tank | Rinse and empty as needed | - |
| Pad washing basin / Liquid | Clean if visibly dirty, once a month | - |
| Ramp | Clean if visibly dirty | - |
| Blower cover | Once every month (remove debris from blower cover) | - |
Replacement frequency may vary. Parts should be replaced if visible wear appears. If you think you need a replacement part, please contact iRobot Customer Care for more information.
