General information 1-23
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The CMYK toner add motor assembly consists of 4 separate DC motors. Each color of toner has its own motor
that is used to rotate the toner auger inside the toner cartridge and drive the auger inside the toner add
assembly.
Waste toner agitator motor assembly
The waste toner agitator motor assembly is used to rotate an auger inside the waste toner cartridge in order to
distribute collected waste toner evenly to prevent spillage and overflow.
Electrical components and controller
Switch (main power)
Turning on/off the switch, power supplies/cuts off the main power of the printer.
Finisher AC output
Supplies power to the finisher from the AC drive card assembly.
Switch (printer front door interlock) and switch (printer left door interlock)
The switch is a safety switch to cut off a 24 VDC power supply from the LVPS card assembly to the high volt
power supply (HVPS) card assembly, printer engine card assembly and to the dual motor assembly, while the
printer front door assembly and the printer left door assembly are open.
Switch (printer left lower door interlock)
The switch (left lower door interlock) detects open or close of the printer left lower door assembly.
Fuser cooling fan
The fuser cooling fan discharges air from the printer to prevent excessive temperature increase.
AC drive card assembly
The AC drive card assembly accepts the main source voltage and distributes it to secondary power supplies and
circuit boards. It also contains the fuser relay to feed/cut off AC power to the heater lamps of the fuser unit
assembly.
Switch (waste toner
cartridge interlock)
Sensor (waste toner
cartridge full)
Waste toner agitator
motor assembly
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