ENERGY SAVER MODES OF BASIC MACHINES 9 March 2004
6-16
AOF
When AOF is off, the engine controller is unable to start the Night/Off Mode. The
user should keep AOF on (! → System Settings → Key Operator Tools → AOF).
Timers
The engine controller references the Energy Saver Timer to start the Low Power
Mode, and references the Auto Off Timer to start the Night/Off Mode. The user can
set these timers (
!→
System Settings
→
Timer Settings).
The Energy Saver Timer and the Auto Off Timer start at the same time (t
0
) when
the machine ends all jobs or when the user ends all manual operations. Note that
the Auto Off Timer does not wait for the Energy Saver Timer. If the user specifies a
larger value in the Energy Saver Timer, the Auto Off Timer expires earlier than the
Energy Saver Timer. In a case like this, the Low Power Mode is not activated.
Instead, the engine controller starts the Night/Off Mode when the Auto Off Timer
expires.
Specified value Low Power Mode Night/Off Mode
Energy Saver Timer > Auto Off Timer Cannot start Can start
Energy Saver Timer = Auto Off Timer Cannot start Can start
Energy Saver Timer < Auto Off Timer Can start Can start
Recovery
Any of the following operations brings the machine back to the Operating Mode:
• The power switch is pressed.
• Originals are set on the document feeder.
• The platen cover is opened.
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