HP Enterprise 500 manual Jams in the duplex area duplex models

Table 3-39Causes and solutions for pickup stationary jams (continued)

Cause	Solution
The spring of the registration sensor lever is	Check the spring and place it in correct position.
unhooked.
Poor contact of the registration sensor	Reconnect the connector (J109) on the DC controller PCA.
connector.
The registration sensor is defective.	Run the sensor test to verify that the registration sensor is functioning properly.
	If it is not, replace the registration assembly.

Jams in the duplex area (duplex models)

Table 3-40Causes and solutions for duplexing reverse jams

Cause Solution

The duplex reverse roller is worn or deformed. Replace the delivery assembly.

The duplex feed roller is worn or deformed.	Replace the duplex feed unit.
Poor contact of the duplex reverse-motor	Reconnect the connectors (J202 and J201) on the high-voltage power supply
connector.	(upper) PCA and connector (J113) on the DC controller PCA.
The duplex reverse motor is defective.	Replace the duplex drive assembly.
Poor contact of the duplexing reverse-motor	Reconnect the connectors of the duplexing reverse motor (J20) and the
connector.	duplexing driver PCA (J202).
The duplexing reverse motor is defective.	Replace the right door assembly.

Table 3-41Causes and solutions for duplex repick jams

	Cause	Solution
	The duplexer re-feed sensor lever is set	Check the sensor lever to make sure it is set correctly. If it is damaged, replace
	incorrectly or damaged.	the right door assembly.
	The spring of the duplexer re-feed sensor lever	Check the spring and place it in correct position.
	is unhooked.
	Poor contact of the duplexer re-feed sensor	Reconnect the intermediate connector (J90) and connector (J107) on the DC
	connector.	controller PCA.
	The duplexer re-feed sensor is defective.	Run the sensor test to verify that the duplexer re-feed sensor is functioning
		properly. If it is not, replace the right door assembly.
	The spring of the duplexer-refeed-sensor lever	Check the spring and place it in the correct position.
	is unhooked.
	The duplexer-refeed-sensor lever is damaged.	Replace the duplexer re-feed sensor.
	Poor contact of the duplexer-refeed-sensor	Reconnect the intermediate connector (J90) and connector (J107) on the DC
	connector.	controller PCA. If the problem persist, replace duplexer re-feed sensor.
	The duplexer re-feed sensor is defective.	Check the duplexer re-feed sensor. If the sensor is defective, replace the
		duplexer re-feed sensor.
ENWW		Clear jams	487