Xerox DocuPrint N2125 Service Manual page 317

Print Engine Controller PWB <=> Main Motor Assembly, Exit Motor
Assembly and Print Cartridge Sensor Assembly
Figure 13 Print Engine Controller PWB <=> Main Motor Assembly, Exit Motor Assembly,
Print Cartridge Sensor Assembly
Print Engine Controller PWB <=> Main Motor Assembly, Exit Motor Assembly and Print Car-
tridge Sensor Assembly
Table 10 shows the signal names for the Print Engine Controller PWB <=> Main Motor Assem-
bly, Exit Motor Assembly and Print Cartridge Sensor Assembly path:
Table 10 Signal Names
Signal Name Description
5VLD +5V power source to the Laser Diode (0V when the Print Cartridge is not
in place)
High: 5V Low: 0V
/CRU Signal which activates the 5VLD circuit (0V when the Print Cartridge is
not in place)
High: 5V Low: 0V
/EXIT XB Phase XB drive signal for the stepping motor (LOW when driving, and
High when not driving)
Signal Levels: High = 24V Low = 0V
Initial Issue
DocuPrint N2125
(Figure 13) (Table 10) Signal Name
/EXIT XA
/EXIT B
/EXIT A
/M RSV
/MALRM
/MMOT ON
02/2000
7-17
Table 10 Signal Names
Description
Phase XA drive signal for the stepping motor (LOW when driving, and
High when not driving)
Signal Levels: High = 24V Low = 0V
Phase B drive signal for the stepping motor (LOW when driving, and High
when not driving)
Signal Levels: High = 24V Low = 0V
Phase A drive signal for the stepping motor (LOW when driving, and High
when not driving)
Signal Levels: High = 24V Low = 0V
Signal Levels: High = 3.3V Low = 0V
Main motor monitor signal. Goes Low when the rotation of the Main
Motor Assembly is abnormal.
Signal Levels: High = 3.3V Low = 0V
Main motor control signal to turn the Main Motor Assembly on and off.
Signal Levels: High = 3.3V Low = 0V
Wiring Data
Base Engine