Lexmark C935 Series, Service Manual

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General information
1-23
5057-XXX
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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.
5V LVPS card assembly
The LVPS card assembly generates low voltages 5V for logic circuits, 5 V for laser diodes from AC power.
24V LVPS card assembly
The LVPS card assembly generates 24 V for motors/clutches from AC power.
CMYK transfer roll HVPS card assembly
The CMYK transfer roll HVPS card assembly generates AC power and feeds it to the CMYK transfer rolls inside
the transfer belt unit assembly.
Developer roll HVPS card assembly
The HVPS card assembly generates AC power and feeds it to the four developer rolls, the transfer belt unit
assembly and the 2nd transfer roll assembly
Charge roll HVPS card assembly
The HVPS card assembly generates AC power and feeds it to the four charge rolls.
Charge roll HVPS
card assembly
Developer roll
HVPS card assembly
CMYK transfer
roll HVPS
card assembly