Cause Solution
Poor contact of the pickup motor drive
connector
Reconnect the connector (J131) on the DC controller PCA.
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 253.
Table 7-20 Causes and solutions for pickup stationary jams
Cause Solution
Multiple feed of media Replace any worn or deformed parts (tray separation roller, tray feed roller,
MP-tray pickup roller or MP-tray separation roller).
Check the separation roller and MP-tray separation roller to see if they are
firmly seated and coupled with the torque limiter.
Replace the separation roller and feed roller in Tray 2.
Replace the MP-tray pickup roller and MP-tray separation roller.
The secondary transfer roller is not set
correctly
Place the secondary-transfer-roller unit in the correct position.
The secondary transfer roller is worn or
deformed
Replace the secondary-transfer-roller unit.
Poor contact of the drum motor3 drive
connector
Reconnect the connectors of the drum motor 3 (J42) and the DC controller PCA
(J121).
The drum motor 3 is defective Execute the drum motor 3 driving test in the actuator-drive mode. If the motor
is defective, replace the drum motor 3. See
Drum motor 2 or drum motor 3
on page 284.
The ITB does not rotate smoothly Replace the ITB. See Intermediate transfer belt (ITB) on page 188.
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 233.
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 the connector (J109) on the DC controller PCA.
The TOP sensor is defective Run the sensor test in the sensor monitor mode to verify that the TOP sensor
is functioning properly. If it is not, replace the registration assembly. See
Registration assembly on page 233.
Jams in the duplex area (HP Color LaserJet CP3525dn and HP Color LaserJet CP3525x only)
Table 7-21 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 303
The duplex feed roller is worn or deformed Replace the duplex feed unit.
Table 7-19 Causes and solutions for pickup delay jams 2 (continued)
ENWW Clear paper jams 419
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