The photos in the Desktop Series support articles depict both the original A1095 (below left) and the updated A3648 extruders (below right). All Gen 2 Desktop Series printers come equipped with the A3648 extruder and all Gen 1 Desktop Series printers come equipped with the A1095 extruder (see Note on Hardware Differences, below). Differences in service procedures are noted in the text.
Note on Hardware Differences
Markforged Gen 2 composite printers can be identified by the large updated product label on the back panel.