5016-001

B The fuser drive system is operating properly and the cam disk is turning.

 

FRU

Action

 

 

 

 

 

 

1

Cam Sensor (PH16)

Be sure the cam sensor is mounted correctly

 

Engine Board (M4)

and locked into place.

 

 

 

Check the following voltages on the cam

 

SN Cable

 

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

 

 

 

 

 

 

 

 

 

 

Diagnostic Information 2-55

Page 121
Image 121
Lexmark 5016-001 manual Cam turns from approximately 0 V to +5 V dc