HP Enterprise CC490A manual 22Causes and solutions for pickup stationary jams

Table 3-21Causes and solutions for pickup delay jams 2 (continued)

Cause Solution

The pickup solenoid is defective.

Run the solenoid drive test in the actuator drive mode to verify that the pickup solenoid is functioning properly. If it is not, replace the tray-pickup drive assembly. See Tray-pickup drive assembly on page 178.

The pickup motor is defective.

Run the pickup motor drive test in the actuator drive mode to verify that the pickup motor is functioning properly. If it is not, replace the pickup motor. See Pickup motor on page 172.

Table 3-22Causes and solutions for pickup stationary jams

Cause	Solution
Multiple-feed of media	If the tray 2 pickup roller or separation roller are worn or deformed, replace any
	defective parts. If the tray 1 pickup roller or separation pad are worn or
	deformed, replace any defective parts.
The TOP sensor lever is set incorrectly or	Check the sensor lever to make sure it is set correctly. If it is damaged, replace
damaged	the registration assembly. See Registration assembly on page 128.
The spring of the TOP sensor lever is	Check the spring and place it in correct position.
unhooked.
Poor contact of the TOP sensor connector	Reconnect 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 (SR20) is functioning
	properly. See Manual sensor test (special-mode test) on page 246 for
	information. If it is not, replace the registration assembly. See Registration
	assembly on page 128.

Jams in the duplex area (HP Color LaserJet CP4525dn, HP Color LaserJet CP4025dn, and HP Color LaserJet CP4525xh only)

Table 3-23Causes and solutions for duplexing reverse jams

Cause Solution

The duplex reverse roller is worn or deformed. Replace the delivery assembly. See Delivery assembly on page 145.

The duplex feed roller is worn or deformed.	Replace the duplex feed unit.
Poor contact of the duplex reverse-motor	Reconnect the connectors (J39) of the duplex reverse motor, connectors (J202
connector	and J201) on the high-voltage power supply (upper) PCA, and connector
	(J113) on the DC controller PCA.
The duplex reverse motor is defective.	Replace the duplex drive assembly. See Duplex-drive assembly
	on page 151.

Table 3-24Causes and solutions for duplex repick jams

Cause	Solution
The duplex re-pickup 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. See Right-door assembly on page 113.
The spring of the duplex re-pickup sensor	Check the spring and place it in correct position.
lever is unhooked.

ENWW Clear paper jams 397