Jam causes and solutions

For locations of jam sensors, see Jam detection on page 55.

Jams in the output bin

Table 3-16Causes and solutions for delivery delay jam

Cause

Solution

 

 

The output-bin full sensor flag is damaged.

Replace the paper delivery assembly. See Delivery assembly on page 145.

See Manual sensor test (special-mode test) on page 246 for troubleshooting information.

Poor contact of the output-bin full sensor

Reconnect the connectors of the output-bin full sensor (SR6) (J47) to DCC PCA

connector.

(J123).

 

 

The output bin full sensor (SR6) is defective.

Check the output bin full sensor (SR6) using the manual sensor test. See

 

Manual sensor test (special-mode test) on page 246. The output bin full sensor

 

is letter F in the sensor test. Toggle the sensor to determine if the value changes

 

for "F". If the value does not change, replace the sensor.

 

 

Poor contact of the fuser-motor (M2)

Reconnect the connectors of the fuser motor (J117), (J15), and the DC

connector.

controller PCA (J105).

 

 

The fuser motor (M2) is defective.

Execute the fuser-motor driving test in the actuator-drive mode. If the motor is

 

defective, replace the fuser motor (M2).

 

 

Jams in the fuser and transfer area

Table 3-17Causes and solutions for fuser delivery delay jams

Cause

Solution

 

 

The fuser-delivery-sensor flag is damaged.

Replace the fuser. See Fuser on page 85.

Poor contact with the fuser-delivery connector. Reconnect the connectors of the fuser-delivery sensor (J48) and the DC

controller PCA (J127).

The fuser-delivery sensor (SR5) is defective. Check the fuser-delivery sensor (SR5) with the manual sensor test. See Manual sensor test (special-mode test) on page 246. If the sensor is defective, replace the sensor.

Table 3-18Causes and solutions for wrapping jams

Cause

Solution

 

 

The fuser roller or pressure roller is dirty.

Create and use a cleaning page. See Cleaning page on page 306.

 

 

The guide of the fuser delivery unit is dirty.

Clean the guide.

 

 

The fuser roller or the pressure roller is worn

Replace the fuser. See Fuser on page 85.

or deformed.

 

 

 

The lever for the output bin full sensor on the

Set the lever correctly. If the lever is damaged, replace the delivery assembly.

face-down tray is set incorrectly or is

See Delivery assembly on page 145.

damaged.

 

 

 

The spring on the lever for the output bin full

Reattached the spring.

sensor on the face-down tray is unhooked.

 

 

 

394 Chapter 3 Solve problems

ENWW

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HP CP4525DN Laser CC494A#ABA manual Jam causes and solutions, Jams in the output bin, Jams in the fuser and transfer area