HP CP4525DN Laser CC494A#ABA Jams in Tray 3, 4, 27Causes and solutions for pickup stationary jams

Table 3-27Causes and solutions for pickup stationary jams

Cause	Solution
Multiple feed of media	Replace any worn or deformed parts (tray separation pad, tray feed roller, MP
	tray pickup roller or MP tray separation pad). If replacing the MP tray separation
	pad, you must replace the right door assembly. See Right-door assembly
	on page 113.
	Check the separation pad and MP tray separation pad to see if they are firmly
	seated and coupled with the torque limiter.
	Replace the separation pad and feed roller for Tray 2 and Tray 3.
	If the MP tray pickup roller if defective, replace the roller. See Pickup roller
	(Tray 1) on page 87. If the MP tray separation pad is defective, replace the right
	door assembly. See Right-door assembly on page 113.
The secondary transfer roller is not set	Place the secondary-transfer-roller unit in the correct position.
correctly.
The secondary-transfer roller is worn or	Replace the secondary-transfer-roller assembly. See Secondary transfer
deformed.	assembly on page 119.
Poor contact of the drum 3 drive connector	Reconnect the connectors of the ITB motor (J42) and the DC controller PCA
	(J121).
The drum motor 3 is defective.	Execute the drum 3 driving test in the actuator-drive mode. If the motor is
	defective, replace the ITB motor.
The ITB does not rotate smoothly.	Replace the ITB. See Intermediate transfer belt (ITB) on page 92.

Jams in Tray 3, 4, and 5

Table 3-28Causes and solutions for pickup delay and pickup stationary jams

Cause	Solution
The paper-feeder pickup roller is worn or	Replace the pickup roller. See Feed and separation rollers (Trays 2-5)
deformed.	on page 86.
The paper-feeder separation roller is worn or	Replace the separation roller. See Feed and separation rollers (Trays 2-5)
deformed.	on page 86.
The paper-feeder feed roller is worn or	Replace the feed roller. See Feed and separation rollers (Trays 2-5)
deformed.	on page 86.
Poor contact of the paper-feeder media-feed	● Tray 3: Reconnect connectors (J408) and (J13)
sensor connector (1, 2, or 3)	● Tray 4: Reconnect connectors (J406) and (J22)
	● Tray 5: Reconnect connectors (J403) and (J32)

A tray feed sensor is defective.

Run the manual sensor test to verify that the paper-feeder media feed sensor is functioning properly. See Manual sensor test 2 (special-mode test)

on page 259 for information. If it is not, replace the pickup assembly of the specific tray. See Pickup assembly (optional paper feeder) on page 226.

Poor contact of a paper-feeder pickup solenoid drive connector (1, 2, or 3)

●Tray 3: Reconnect connectors (J408) and (J18)

●Tray 4: Reconnect connectors (J406) and (J20)

●Tray 5: Reconnect connectors (J403) and (J30)

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