Electrical components and controller
Sensor (control panel door interlock)
The sensor is a safety device to cut off a 24 VDC power supply from the LVPS to the high volt power supply (HVPS),
controller board, and to the main drive motor assembly, while the control panel door is open.
Sensor (rear door interlock)
The sensor is a safety device to cut off a 24 VDC power supply from the LVPS to the HVPS, controller board, and to the
main drive motor assembly, while the printer rear door is open.
Main cooling fan
The main cooling fan discharges air from the printer to provide cooling to this area of the printer.
Cartridge cooling fan
The imaging unit cooling fan discharges air from the print cartridge area to provide cooling to this area of the printer.
Duplex cooling fan
The Duplex cooling fan discharges air from the duplex drive motor area to provide cooling to this area of the printer.
7463
Appendix C: Theory of operation
753
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