Samsung CLP-770ND Service Manual page 74

Message
Paper Jam in tray2 Paper has jammed in the feeding area of
the tray.
Paper Jam in tray3 Paper has jammed in the feeding area of
the tray.
Jam inside machine Paper jammed in the feeding area of the
tray.
Jam in exit area Paper jammed in the exit area.
Jam of duplex Paper jammed in the duplex area.
S: The paper is full on exit tray.
Output bin Full
T:
Output bin Full.
Remove printed paper
S: 1. At warm up, the temperature is less
System error
T: 2. Abnormal ADC has occurred.
Error: #02-000 3. Abnormal Thermistor value has
Turn off then on
Service Manual
Alignment & Troubleshooting
Description
than reference temperature for 20 sec
occured. (by FSA regulation / thermistor
open/ thermistor short)
Suggested Solution
1. Take out the 2nd cassette and remove the jammed
paper.
2. If the pick up roller does not rotate, check the Gear Pick
up(JC97-02895A). If it is defective, replace it.
3. If the pick up roller rotates but the paper is not feeding,
replace the Clutch-Feed(JC47-00023A).
4. Reconnect the CN9 connector on Main PBA
5. Check the sensor and connector in SCF.
1. Take out the 3rd cassette and remove the jammed
paper.
2. If the pick up roller does not rotate, check the Gear Pick
up. If it is defective, replace it.
3. If the pick up roller rotates but the paper is not feeding,
replace the Clutch-Feed.
4. Reconnect the CN9 connector on Main PBA
5. Check the sensor and connector in SCF.
1. Check the Spring tension of the Regi. roller and Regi
shaft. If the spring is defective, replace it.
2. Replace the actuator fuser and exit sensor.
3. Reconnect the CN4,5,6,9 connector on HVPS.
4. Reconnect connector of CN1,2 on HVPS and check the
flat cable.
1. If the actuator fuser sensing part has some problems,
replace the actuator fuser and exit sensor.
2. Reconnect the CN6 connector on HVPS.
3. Reconnect connector of CN1,2 on HVPS and check the
flat cable.
1. Open the Front Cover and separate the PTB unit.
Remove the Jammed paper.
2. If the paper is not reached to the duplex path after the
exit sensor sensing, check the Clutch-BK deve. If it is
defective, replace it.
1. Clear the paper on exit tray.
2. Reconnect the CN3 connector on Main-PBA.
3. Replace the Actuator-Stacker and Actuator-OutFull.
* Actuator-Stacker (JC66-02065A)
* Actuator-Outfull (JC66-02064A)
* Photo-Interrupter (0604-001095)
1. Turn off the power. And turn on the power.
2. Reconnect the CN2 connector on Main-PBA.
3. If the problem persists, replace the Main-PBA.
4. Check the thermistor Tension of the Fuser.
4-21
Samsung Electronics