Yes asset items QR code or Barcode can be printed through the 'Print Asset Receipt/Barcode' page.
Barcode/QRcode can be printed by clicking the Print icon displayed against each items from the item searched list . Barcode/QRcode can be printed only for Generate code enabled items, this settings can be managed through 'Manage Asset Items' page under Settings.
There is limitation in Barcode printing for the lengthy Asset ID items.