Minolta Di620 Operator's Manual page 131

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5. User's Choice
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<Max. Copy Sets>
Limit the number of copies or copy sets that can be
made per job.
The initial setting is "OFF."
<Non-Auto Shut Off>
This function can disable the Auto Shut Off
function.
Select whether to enable ("ON") or disable
("OFF") the Non-Auto Shut Off function.
The initial setting is "OFF" (disable).