Olivetti DR N17, Service Manual

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9-34 687200Q
9.7.4 Offset Failure
1 Manually move the offset arm back and forth from the home position to check the OCT Home
Sensor. Does the OCT Home Sensor function correctly?
NOTE: Execute Diagnostic Mode 1, Sensor Input Test, and check the operation of the OCT Home
Sensor.
Y: Go to step 2.
N: Go to RAP 9.7.6 OCT Home Sensor Failure.
2 Check the Offset Motor Assembly. Does the Offset Motor Assembly move the Offset Exit Roll
Assembly in the offset direction?
NOTE: Execute Diagnostic Mode 1, Offset Motor CW, and check the operation of the Offset Motor
Assembly.
Y: Go to step 3.
N: Go to step 4.
3 Does the OCT Offset Motor Assembly move the Exit Roll Assembly back to the Home position?
NOTE: Execute Diagnostic Mode 1, Offset Motor CCW, and check operation.
Y: Replace the Print Engine Controller PWB.
N: Go to step 4. Check the Offset Motor Assembly.
4 The voltage measured between P/J209-4 and P/J209-8 is at a low level when the motor is
switched On and a high level when switched Off.
Y: Go to RAP 9.7.8 OCT Drive Motor Assembly Failure and RAP 9.7.9 Offset Motor
Assembly Failure.
N: Go to step 5.
5 The voltage measured between P/J21-4 and P/J21-8 is at a low level when the motor is switched
On and high level when switched Off.
Y: Replace the OCT Harness Assembly.
N: Replace the Print Engine Controller.