Canon 1730, Service Manual

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Technical Explanation > External Auxiliary System > Controls > Power supply
Technical Explanation > External Auxiliary System > Controls > Power supply
PTINT LSTR STBY STBY
JAM
/ERROR
WUP INI
*1
*2
*3
*4
Delivery Cooling
Fan (Rear) (FM1)
Delivery Cooling
Fan (Center) (FM2)
Delivery Cooling
Fan (Front) (FM3)
Power Supply Cooling
Fan (FM4)
Heat Exhaust
Fan (Front) (FM5)
Heat Exhaust
Fan (Rear) (FM6)
Delivery Cooling
Fan (Front) (FM7)
Developing Cooling
Fan (Rear) (FM8)
: Full-speed : 1/2-speed
*1: Fan speed is switched between half speed and full speed depending on the fixing
temperature.
Fan is driven at 1/2-speed only at 1-sided print with imageRUNNER 1730.
In other cases than the above, it is driven at Full-speed.
*2: At the time of jam/error, the driving state right before jam/error is continued.
*3: Upper (gray) band: sequence at 1-sided, lower (black) band: sequence at 2-sided print
*4: Fan is not driven at 1-sided print.
It is driven at full speed from the 2nd side at 2-sided print.
F-2-105
■
Power supply
● Internal power supply
+3.3V
+24VU
+24VR
+5VR +3.3V +3.3V +5VC +3.3V +3.3V +24VR
+5VC
+5VR
+3.3V
+24VR
+5VR
+24VR
+24VU
+24VR
+24VU
+5VC
+5VC
+24VR
+24VR
+5VR
+5VR
+5VR
+24VR
Option
+3.3V
+5VR +24VR
+24VR
+3.3V
Interlock
Switch (PS1)
USB HUB Kit
ADF/Reader
Controller PCB
CIS
+5VC +5VR +3.3V +24VR
Main SW
Power Supply PCB
+24VR
Fixing Heater
Drum Heater
Environment
SW
Low-Voltage
Power Supply
Circuit
+5VCircuit
+3.3VCircuit
+24VCircuit
HVT PCB
Staple Finisher
Cassette
Cassette
Cassette
DC Controller PCB
+5VR
+3.3V
Laser Scanner
Unit
Main Controller PCB
+24VR
+24VR
+3.3V
Control Panel FAX Unit
Cassette 1
Regulator
Regulator
F-2-106