The IT managers of the IMJ-PRG are Evariste Ciret and Cyril Bourcier-Kadi.
For any information, you can send them an email at support [at] imj-prg.fr.
More information is available here.
Printer are available to PhD students.
If you have any problem, Thomas Lanard from the BDD (Jussieu) or Gabriel Sébilet Deloge from the BDD (Sophie Germain) can help you.