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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 3-22 Causes 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
damaged
Check the sensor lever to make sure it is set correctly. If it is damaged, replace
the registration assembly. See
Registration assembly on page 128.
The spring of the TOP sensor lever is
unhooked.
Check the spring and place it in correct position.
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 3-23 Causes 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
connector
Reconnect the connectors (J39) of the duplex reverse motor, connectors (J202
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 3-24 Causes and solutions for duplex repick jams
Cause Solution
The duplex re-pickup sensor lever is set
incorrectly or damaged.
Check the sensor lever to make sure it is set correctly. If it is damaged, replace
the right door assembly. See
Right-door assembly on page 113.
The spring of the duplex re-pickup sensor
lever is unhooked.
Check the spring and place it in correct position.
Table 3-21 Causes and solutions for pickup delay jams 2 (continued)
ENWW Clear paper jams 397