How do I render a JPEG sequence in Maya, with Arnold?

Answer 1

After you have selected the image type (JPG) and frame #s in the Render Settings Window, go to Render > Render Sequence.

This link may help you: https://knowledge.autodesk.com/support/maya/learn-explore/caas/CloudHelp/cloudhelp/2018/ENU/Maya-Rendering/files/GUID-79387725-EE83-4383-90E2-4BAE28B4EA4C-htm.html