Power Supply Unit; Construction - Toshiba e-STUDIO281c Service Manual
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Also See for e-STUDIO281c:
- Service handbook (679 pages) ,
- Service manual (412 pages) ,
- Colour manual (8 pages)
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18. POWER SUPPLY UNIT
18.1 Construction
The power supply unit consists of an AC filter and insulation type DC output circuits.
1) AC filter
Eliminates noise from the outside and prevents the noise generated by the equipment from leaking
to the outside.
2) DC output circuits
Converts AC voltage input from outside to DC voltage and supplies it to each electric part. The DC
voltage is divided into the following two lines.
a. Main line:
Power supply used in the entire equipment during image forming process. Three
kinds of voltage (+3.3V, +5.1V and +12V) are output when the main switch of the
equipment is turned ON.
b. Cover switch line: Power supply used in the entire equipment during image forming process,
being supplied via the door switch. Two kinds of voltage (+5.1VD and +24VD)
are output only when the main switch of the equipment is turned ON and two
covers (front cover and jam access cover) are closed.
© 2005 - 2008 TOSHIBA TEC CORPORATION All rights reserved
18 - 1
e-STUDIO281c/351c/451c
POWER SUPPLY UNIT
18
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