With cyclic or repetitive tasks in org-mode, inside this task, if there are several checkboxes and all of them marked as ticked, after the general task is masked as DONE, the ch
If I understand you correctly, the situation is: you have a repeating task with subitems as checkboxes. When the task is completed, all the checkboxes on the subitems should be cleared - so the task can be done at next cyclic time.
You can untick a range of checkboxes with C-c C-x C-b on selected region.
This calls the org-toggle-checkbox
command.