HP CP4525DN Laser CC494A#ABA manual Jams in Tray 1, Tray 2 and internal paper path

Table 3-25Causes and solutions for residual media jams (continued)

Cause	Solution
The spring of the duplex repickup 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 duplex pickup sensor lever is damaged.	Replace the right door assembly. See Right-door assembly on page 113.
Poor contact of the duplexing media-reverse-	Reconnect the connectors of the duplexing media-reverse sensor (J8) and
sensor connector	(J90) and the duplexing driver PCA (J107).
The duplex repickup sensor (SR22) is	Run the manual sensor test to verify that the duplex repickup sensor is
defective.	functioning properly. See Manual sensor test (special-mode test)
	on page 246 for information. If the sensor is defective, replace the duplex
	repickup 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 3-26Causes and solutions for pickup delay jam 1: tray pickup

Cause	Solution
The tray 1 pick up roller or the tray 1 separation	Replace the tray 1 pickup roller and separation pad. See Pickup roller
pad is worn or deformed.	(Tray 1) on page 87. Replace the right door. See Right-door assembly
	on page 113.
Poor contact of the tray 1 media-presence-	Reconnect the connectors of the tray media-feed sensor (J7), intermediate
sensor connector	(J85), and DC controller (J107).
Poor contact of the TOP sensor connector.	Reconnect the intermediate connector (J74) of the TOP sensor and connector
	(J145) on the DC controller PCA.
The TOP sensor is defective.	Run the manual sensor test to verify that the TOP sensor is functioning
	properly. If not, replace the registration assembly. See Registration assembly
	on page 128.
Poor contact of the MP-pickup-solenoid drive	Reconnect the connector of the tray pickup solenoid (J52) and the DC controller
connector	PCA (J148).
The MP-pickup solenoid is defective.	Execute the tray-pickup-solenoid driving test in the actuator-drive mode. If the
	solenoid is defective, replace the right door assembly. See Right-door
	assembly on page 113.
Poor contact of the pickup-motor drive	Reconnect the connector (J37) and connector (J260) on the DC controller PCA.
connector (M13)
The pickup motor is defective.	Execute the pickup-motor driving test in the actuator-drive mode. If the motor
	is defective, replace the pickup motor. See Pickup motor on page 172.

ENWW Clear paper jams 399