The 4265 at the firmware you list supports SMBv1 and SMBv3 so it should work.
FTP is probably the easier method, but you could pull a debug log if you wanted to drudge through one to see whats up
In CWIS add /properties/security/tracetracking/debugtracetracking.dhtml to the address bar, or /properties/Security/TraceTracking/DebugTrackingTool.dhtml (Only one will work)
Make sure the time is right, the printers account has full permissions (READ, Write and modify) and that you format the username as seen in brackets on the share
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for posts that resolve your issues. Your feedback counts!Joe Arseneau