OKIDATA DOC-IT3000, Service Manual

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Page: 199
Service Guide DOC-IT3000/4000
Chapter 4 Failure & Repair Analysis
RAP#1 - Paper Feed Error
RAP 01: Paper Feed Jam Alarm
START
JAM ALARM is displayed on the operation panel.
Does a jam alarm occur as soon as the power is turned on?
YES Go to A.
NO Go to B.
A
Locate the jam and clear the paper path.
Is the paper at the inlet sensor?
YES Remove the paper from the inlet sensor.
Has the problem been resolved?
YES End of procedure.
NO Replace the resist motor.
NO Is the jam alarm cleared by covering the inlet sensor on the engine control board?
YES Check that the inlet sensor lever moves freely.
Has the problem been resolved?
YES End of procedure.
NO Replace the resist motor.
Go to B.
NO Replace the engine control board.
Has the problem been resolved?
YES End of procedure.
NO Replace the resist motor.
Go to B.
B
Does a JAM ALARM occur when paper is fed?
NO Contact Technical Support.
YES Is the paper fed under the inlet sensor lever?
YES Is the sensor signal present at Pin 75, MSM75V039 of the engine control board?
YES Are the planetary gears switching?
NO Replace the paper supply unit.
Has the problem been resolved?
YES End of Procedure
NO Contact Technical Support
YES Has the problem been resolved?
YES End of procedure.
NO Contact Technical Support.
NO Replace the engine control board.
Has the problem been resolved?
YES End of procedure.
NO Contact Technical Support.
NO Replace the paper supply unit.
Has the problem been resolved?