TA Triumph-Adler DC 2016 - Manual (Page 37)

Section 4 BASIC OPERATION
4-7
Pressing the [Energy Saver] key will put the copier into a resting
state even when the Power Switch is ON. The No. of Copies display
on the Operation Panel will change to “- - -”, the Conserve Power
indicator will light up and all other indicators will be turned off.
Press any key on the Operation Panel or open and close the
Original Cover in order to resume copying operations. In the case
where the optional Document Processor is installed, placing an
original in the Document Processor will also revert the copier to the
state where copies can be made. The recovery time before copies
can be made is within 10 seconds.
Note
A function to automatically enter the Low Power Mode
after a set interval in which no copies have been
produced has passed is also included. (Refer to P.6-14
"Exposure Steps".)
Low Power Mode