Lexmark X7500 Service Manual - Page 147
Scanner System Card IPS ´ Scan Drive ´ IIT Motor
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4036-501 Scanner System Card IPS ↔ Scan Drive ↔ IIT Motor Signal Name MBN MB MAN MA SMOT$CLK SMOT$PWD N SMOT$PWU P SMOT$CW SMOT$ON SMOT$RST Description Motor drive signal B -. Motor drive signal B. Motor drive signal A -. Motor drive signal A. Pulse signal to drive the scan motor. Current value selecting signal for the scan motor (power up). Current value selecting signal for the scan motor (power down). Controls the drive direction of the scan motor. High= reverse. Low= forward. Switches the scan motor on and off. 5V= Stop. 0V= Drive. Resets the energizing sequence. Connector Locations 5-21
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Connector Locations
5-21
4036-501
Scanner System Card IPS
↔
Scan Drive
↔
IIT Motor
Signal
Name
Description
MBN
Motor drive signal B -.
MB
Motor drive signal B.
MAN
Motor drive signal A -.
MA
Motor drive signal A.
SMOT$CLK
Pulse signal to drive the scan motor.
SMOT$PWD
N
Current value selecting signal for the scan motor
(power up).
SMOT$PWU
P
Current value selecting signal for the scan motor
(power down).
SMOT$CW
Controls the drive direction of the scan motor.
High= reverse.
Low= forward.
SMOT$ON
Switches the scan motor on and off.
5V= Stop.
0V= Drive.
SMOT$RST
Resets the energizing sequence.