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Service Guide OL830
Chapter 4 Failure & Repair Analysis
RAP 02: Paper Feed Jam 1 Alarm
START
Does a JAM alarm occur when the power is turned ON?
NO Go to A
YES Remove the paper.
NO Is the JAM alarm cleared by overriding the resist sensor on the engine controller
board?
YES Check the resist sensor lever for normal operation.
NO Replace the engine controller board.
A
Does the JAM Alarm occur after paper feeds?
YES Is the paper actuating the resist sensor lever?
NO Check the connection between the engine controller and LLCC boards.
Replace the paper feed assembly.
YES Replace the engine controller board.
NO Replace the engine controller board.
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