Lexmark Optra C710 Service Manual - Page 121
Diagnostic Information, The fuser drive system is operating properly and the cam disk is, turning.
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5016-001 B The fuser drive system is operating properly and the cam disk is turning. FRU 1 Cam Sensor (PH16) Engine Board (M4) SN Cable Action Be sure the cam sensor is mounted correctly and locked into place. Check the following voltages on the cam sensor: Pin # 1 (Orange) 2 (Brown) 3 (Green) Signal Voltage Voltage Disc in +5 V dc +5 V dc -CCSENS +5 V dc GND 0 V dc Voltage Disc Out +5 V dc 0 V dc 0 V dc Note: The voltage on pin 2 should vary, as the cam turns from approximately 0 V to +5 V dc. • If the voltage on Pin 1 is incorrect, check the cable. If incorrect, replace the cable. • If the cable is good, replace the following FRU's in the order shown: 1. Cam sensor 2. Engine board 3. SN cable Diagnostic Information 2-55
Diagnostic Information
2-55
5016-001
B
The fuser drive system is operating properly and the cam disk is
turning.
FRU
Action
1
Cam Sensor (PH16)
Engine Board (M4)
SN Cable
Be sure the cam sensor is mounted correctly
and locked into place.
Check the following voltages on the cam
sensor:
Pin #
Signal
Voltage
Voltage
Voltage
Disc in
Disc Out
1 (Orange)
+5 V dc
+5 V dc
+5 V dc
2 (Brown)
-CCSENS
+5 V dc
0 V dc
3 (Green)
GND
0 V dc
0 V dc
Note:
The voltage on pin 2 should vary, as the
cam turns from approximately 0 V to +5 V dc.
•
If the voltage on Pin 1 is incorrect, check
the cable. If incorrect, replace the cable.
•
If the cable is good, replace the following
FRU's in the order shown:
1. Cam sensor
2. Engine board
3. SN cable