Konica Minolta BIZHUB 210 - Manual (Page 45)

Precautions 2
bizhub 162/210 2-7
Storage of copies
Copies that are to be kept for a long time should be kept where they are not
exposed to light in order to prevent them from fading.
Adhesive that contains solvent (e.g., spray glue) may dissolve the toner on
copies.