A cartridge (1100, 1300, 1350, 1902', 1902") for dispensing fluid comprising: - a reservoir filled with the fluid; - a reservoir conduit for connecting the reservoir with a valve; - an outlet conduit for dispensing the fluid; and - the valve , wherein the valve is a slide valve , wherein the valve comprises a pumping chamber for pumping the fluid, wherein the valve comprises a pumping chamber conduit , wherein the slide valve is configured for translating the pumping chamber conduit , wherein the valve is configured for positioning the pumping chamber conduit to connect with the reservoir conduit, wherein the valve is further configured for positioning the pumping chamber conduit to connect with the outlet conduit, wherein the pumping chamber conduit is permanently connected with the pumping chamber, wherein the slide valve comprises a piston and a housing having a volume for receiving the piston, wherein the piston is operable for translational motion within the volume, wherein the piston comprises the pumping chamber conduit, wherein the pumping chamber is a cavity within the piston, wherein the piston is configured for translating the pumping chamber conduit to connect with the reservoir conduit and disconnect from the outlet conduit, wherein the piston is further configured for translating the pumping chamber conduit to connect with the outlet conduit and disconnect from the reservoir conduit; and - a plunger arranged in a portion of the piston forming the cavity, the plunger being configured for changing a volume of the pumping chamber, wherein the pumping chamber is formed by the cavity and the plunger, wherein static friction between the piston and the housing of the volume for receiving the piston is larger than the static friction between the plunger and the portion of the piston forming the cavity. - a reservoir filled with the fluid; - a reservoir conduit for connecting the reservoir with a valve; - an outlet conduit for dispensing the fluid; and - the valve , wherein the valve is a slide valve , wherein the valve comprises a pumping chamber for pumping the fluid, wherein the valve comprises a pumping chamber conduit , wherein the slide valve is configured for translating the pumping chamber conduit , wherein the valve is configured for positioning the pumping chamber conduit to connect with the reservoir conduit, wherein the valve is further configured for positioning the pumping chamber conduit to connect with the outlet conduit, wherein the pumping chamber conduit is permanently connected with the pumping chamber, wherein the slide valve comprises a piston and a housing having a volume for receiving the piston, wherein the piston is operable for translational motion within the volume, wherein the piston comprises the pumping chamber conduit, wherein the pumping chamber is a cavity within the piston, wherein the piston is configured for translating the pumping chamber conduit to connect with the reservoir conduit and disconnect from the outlet conduit, wherein the piston is further configured for translating the pumping chamber conduit to connect with the outlet conduit and disconnect from the reservoir conduit; and - a plunger arranged in a portion of the piston forming the cavity, the plunger being configured for changing a volume of the pumping chamber, wherein the pumping chamber is formed by the cavity and the plunger, wherein static friction between the piston and the housing of the volume for receiving the piston is larger than the static friction between the plunger and the portion of the piston forming the cavity. <EOS>