Table 5-6 Fans
Abbreviation Name Cooling area Type Speed
FM1 Power supply fan Around the power
supply unit
Intake Full/half
FM2 Cartridge fan Around the cartridges Intake Full/half
FM3 Delivery fan Around the delivery unit Intake Full/half
High-voltage power supply
The high-voltage power supply delivers the high-voltage biases to the following components used to
transfer toner during the image-formation process:
●
Primary-charging roller (in the cartridge)
●
Developing roller (in the cartridge)
●
Primary-transfer roller
●
Secondary-transfer roller
Figure 5-4 High-voltage power supply circuits
Y
M
C
K
The high-voltage power supply contains several separate circuits.
ENWW Engine-control system 123
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