Syringe bodies

1. A print material particles container, comprising:

a syringe body including an electrical interface at a side surface of the syringe body;

an interface at an end of the syringe body including an output at a distal surface of the syringe body;

a print material particles reservoir located in the syringe body; and

a volume adapting structure to adapt a volume of the print material particles reservoir to move print material particles out of the print material particles reservoir through the output;

wherein, in response to the volume adapting structure moving from a first position to a second position, a signal is transmitted by the electrical interface to indicate the print material particles have been dispensed from the print material particles reservoir,

wherein the print material particles container further includes a switch located between the syringe body and the print material particles reservoir, and

wherein in response to the volume adapting structure moving from the first position to the second position:

the switch changes from a first state to a second state; and

the signal is transmitted in response to the switch changing from the first state to the second state.

2. The apparatus of claim 1 , wherein, in response to the volume adapting structure moving from the first position to the second position:

the switch is closed; and

the signal is transmitted in response to the switch being closed.

3. The apparatus of claim 1 , wherein the electrical interface is located within the syringe body.

4. The apparatus of claim 1 , wherein, in response to the volume adapting structure moving from the first position to the second position, the signal is communicated wirelessly by the electrical interface.

5. A print material particles container, comprising:

a syringe body including a switch and an electrical interface;

a print material particles reservoir located in the syringe body, wherein the print material particles reservoir includes print material particles;

an interface at an end of the syringe body including an output at a distal surface of the syringe body; and

a volume adapting structure to adapt a volume of the print material particles reservoir;

wherein, in response to the volume adapting structure moving from a first position to a second position to change the switch:

the print material particles are moved out of the print material particles reservoir, through the output, and to an imaging device; and

a signal is transmitted by the electrical interface to indicate the print material particles have been dispensed from the print material particles reservoir, and

wherein the switch is located between the syringe body and the print material particles reservoir.

6. The print material particles container of claim 5 , wherein the signal is transmitted by the electrical interface to the imaging device.

7. The print material particles container of claim 6 , wherein the signal is wirelessly transmitted by the electrical interface to the imaging device.

8. The print material particles container of claim 6 , wherein:

the electrical interface of the print material particles container is connected to a corresponding electrical interface of the imaging device; and

the signal is transmitted by the electrical interface to the imaging device via the corresponding electrical interface of the imaging device.

9. The print material particles container of claim 5 , wherein:

the syringe body is an outer syringe body and the print material particles reservoir is an inner body coaxially located in the outer syringe body; and

the volume adapting structure moves from the first position to the second position relative to the outer syringe body and the inner syringe body.

10. The print material particles container of claim 5 , wherein in response to the volume adapting structure moving from the first position to the second position, the signal is transmitted by the electrical interface to indicate the print material particles has been dispensed from the print material particles reservoir.

11. A system, comprising:

a syringe body including a switch and an electrical interface at a side surface of the syringe body;

a print material particles reservoir located in the syringe body;

an interface at an end of the syringe body including an output at a distal surface of the syringe body; and

a plunger coaxially located in the print material particles reservoir;

wherein, in response to the plunger moving from a first position to a second position:

the switch is changed;

print material particles located in the print material particles reservoir are supplied from the print material particles reservoir to an imaging device; and

a signal is transmitted by the electrical interface to the imaging device in response to the switch being changed to indicate the print material particles having been supplied to the imaging device from the print material particles reservoir, and

wherein the switch is located between the syringe body and the print material particles reservoir.

12. The system of claim 11 , wherein, in response to the switch being changed, a circuit is completed.

13. The system of claim 12 , wherein, in response to the circuit being completed, the signal is transmitted by the electrical interface to the imaging device.

14. The system of claim 11 , wherein the print material particles container is connected to the imaging device via the interface such that the print material particles are supplied from the print material particles reservoir to the imaging device when the plunger is moved from the first position to the second position.