HP Photosmart A310 Compact Photo Printer - Manual (Page 4)

Regulatory model identification number
VCVRA-0604
For regulatory identification purposes, the product is assigned
a Regulatory Model Number. The Regulatory Model Number
for the product is VCVRA-0604. This regulatory number should
not be confused with the marketing name (HP Photosmart A310
series) or product number (Q8471A).