HP LaserJet Enterprise 500 Jams in Tray 1, Tray 2 and internal paper path

Table 3-41Causes and solutions for duplex repick jams (continued)

Cause Solution

Poor contact of the duplex reverse connector. Reconnect the connectors of the duplex repick motor (J20), intermediate (J202 and J201) and the duplex driver PCA (J113).

The duplex-repick motor is defective. Replace the duplex drive assembly.

Table 3-42Causes and solutions for residual media jams

Cause	Solution
Poor contact of the loop-sensor connector and	Reconnect the connectors of the fuser loop sensors (1 and 2):
fuser loop sensors 1 and 2.	●	Loop 1 (J11, J352, J350, J50) and the DC controller (J139)
	●	Loop 2 (J10, J352, J350, J50) and the DC controller (J139)
The fuser loop sensor is defective.	Check the fuser loop sensor. If the sensor is defective, replace fuser.
The spring of the fuser output sensor lever is	Check the spring of the fuser and right door and place it in the correct
unhooked.	position.
The fuser-ouput-sensor lever is damaged.	Replace the sensor (SR5).
Poor contact of the fuser-output sensor	Reconnect the connectors of the fuser-output sensor (J46), intermediate (J95)
connector.	and the DC controller PCA (J123).
The fuser-output sensor is defective.	Check the fuser-output sensor. If the sensor is defective, replace the fuser.
The spring of the duplexer re-feed sensor lever	Check the spring and place it in the correct position. The sensor is located in
is unhooked.	the right door behind the cover close to the engine side.
The duplexer re-feed sensor lever is damaged.	Replace the right door assembly.
Poor contact of the duplexing media-reverse-	Reconnect the connectors of the duplexing media-reverse sensor (J8) and (J90)
sensor connector.	and the duplexing driver PCA (J107).
The duplexer re-feed sensor is defective.	Check the duplexer re-feed sensor. If the sensor is defective, replace the
	duplexer re-feed sensor.

NOTE: Even if jammed paper is visible in Tray 1, clear the jam from the inside of the product by opening the right door.

Jams in Tray 1, Tray 2 and internal paper path

Table 3-43Causes and solutions for pickup delay jam 1: tray pickup

		Cause	Solution
		The MP tray pick up roller or the MP tray	Replace the MP tray pick up roller and separation pad.
		separation pad is worn or deformed.
		Poor contact of the Tray 1 paper sensor.	Reconnect the connectors of the tray media-feed sensor (J7), intermediate
			(J85), and DC controller (J107).
		The Tray 1 paper sensor is defective (SR21).	Check the Tray 1 paper sensor. If the sensor is defective, replace the right
			door assembly.
488	Chapter 3 Solve problems		ENWW