Energy Star - Ricoh Aficio 401 Service Manual

ENERGY STAR

6. ENERGY STAR
6.1 Auto OFF Mode
When the main controller board is not installed
When the Auto OFF timer expires (the default is 60 minutes), the machine
cuts all power to the copier. The Auto OFF timer can be programmed with UP
mode. The power is re-supplied when the main switch is turned back on. The
longer the machine has been off, the longer it will take to return to a ready
condition.
To automatically turn off the machine, a new type of main switch with an
incorporated coil is used. When the CPU drops CN299-9 from +24 to 0, the
main switch contacts are opened. The wiring diagram and connector layout
are shown below.
AC Drive
B o a r d
CN11-1
-4
When the main controller board is installed
If the main controller board is installed, the Auto OFF mode is disabled by the
main controller board. This is because with the main board installed, the
machine can work as a network printer, and Auto Off Mode must be disabled
in a network printer.
R e l a y
B o a r d
CN16-1
CN16-2
-7
-8
M a i n
AC Drive
Switch
B o a r d
2
1
CN11-3
-6
3 4
5 6
B C U
12
25 April 1997
D C P o w e r
Supply Unit
CN12-1
CN50-1
-2
-2
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