Toshiba e-STUDIO555 Service Manual page 381

6. State of the power supply
- Power OFF
The main power switch of the equipment is turned OFF. Since DC voltage is not supplied to each
board, the equipment is not operable.
- Normal state (including Energy saving mode)
The main power switch of the equipment is turned ON and DC voltage is supplied to each board.
When the cover of the equipment is closed, 24V DC voltage is supplied and the equipment
enters into the ready/printing state.
- Sleep mode
Since +3.3VB, +5VB, +5VD, +12VB and +24V DC voltages are not supplied but +12VA, +5VA
and +5VS DC voltages only, the equipment does not enter into the ready state.
- Super Sleep mode
Only DC voltage and +5VS are output from the power supply unit. The [POWER] button is
monitored and the LED of the main power switch is lit.
© 2009 - 2011 TOSHIBA TEC CORPORATION All rights reserved
16 - 3
e-STUDIO555/655/755/855
POWER SUPPLY UNIT
16