Entering Off Stand-By And Off Modes - Ricoh Aficio MP2550B Service Manual

Energy Saver Modes

Entering off stand-by and off modes

The machine enters the Off Stand-by mode or Off mode when:
The auto off timer runs out
The operation switch is pressed to turn the power off
If one or more of the following conditions exists, the machine enters Off Stand-by mode. If
none of these conditions exist, the machine enters Off Mode.
Error or SC condition
An optional G4 unit is installed
Image data is stored in the memory
During memory TX or polling RX
The handset is off hook
An original is in the ADF
The ADF is open
Off Stand-by mode
The system +5V is still supplied to all components. When the machine detects a ringing
signal or receives a stream of data for a print job, the +24V supply is activated and the
machine automatically prints the incoming message or executes the print job.
Off Mode
The system +5V supply also turns off. However, +5VE (+5V for energy saver mode) is still
activated. When the machine detects a ringing signal, off-hook signal, or receives a print
job, the machine returns to the Off Stand-by mode and the system +5V and +24V supplies
are activated.
Returning to stand-by mode
The machine returns to stand-by mode when the operation switch is pressed. The recovery
time is about 10 s.
Operation
Mode
Switch
Off Stand-by Off
Off Off
D017/D018/D019/D020
Energy
Saver Fusing Lamp
Mode
Off
Off
(On when printing)
Off Off
6-78
System
+24V
+5V
On On
+5VE is
Off Off
supplied
Note
SM