Servicing cassettes for handheld fluid jet apparatuses for use in modifying surfaces

An interchangeable servicing cassette sized to be removably received by a servicing portion of a docking station for servicing a handheld jet dispensing apparatus comprising a fluid jet cartridge carrying a composition and a camera for capturing an image of a surface, the servicing cassette comprising:

• an outer housing sized to be received by the service station of the docking station;
• a rotatable actuation member located within the outer housing and configured to be rotated by an actuator of the docking station within the outer housing relative to the fluid jet cartridge of the jet dispensing apparatus;
• and
• a wiping element carried by the rotatable actuation member to wipe at least one of the cartridge and camera of the jet dispensing apparatus as the rotatable actuation member rotates.

An interchangeable servicing cassette sized to be removably received by a servicing portion of a service station for servicing a handheld jet dispensing apparatus comprising a fluid jet cartridge carrying a composition and a camera for capturing an image of a surface, the servicing cassette comprising:

• an outer housing sized to be received by the servicing portion of the service station, the outer housing including a perimeter wall with an opening extending therethrough;
• a moveable actuation member located within the outer housing and configured to be moved by an actuator of the service station within the outer housing;
• and
• at least one of a wiping element, a calibration element and a composition receiving element carried by the moveable actuation member, the moveable actuation member having a housed configuration where the at least one of the wiping element, calibration element and composition receiving element is removed from the opening in the outer housing and an exposed configuration where the at least one of the wiping element, calibration element and composition receiving element is exposed through the opening in the outer housing for a servicing operation.