Samsung ML-7000P Service Manual page 6

Error status
Jam 2
"Paper is stopped
just after exit sensor"
Duplex Jam 1
Duplex Jam 2
PTL Error
(Pre Transfer Lamp)
Toner Empty
OUT-BIN Full
Internal Error 20
(Engine Error)
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Check
1. Check the exit sensor.
- Refer to DCU mode "08"
2. Check the exit sensor actuator.
3. Check the Exit Roller.
4. Check the Cover Rear.
5. Check the Contamination of Fuser Unit
1. Check the operation of Duplex Clutch
- Refer to DCU mode "12"
2. Check the Duplex sensor 1.
- Refer to DCU mode "07"
3. Check the Duplex sensor 1 actuator.
4. Check the Cover Rear.
5. Check the bracket duplex unit
6. Check the duplex solenoid.
The resistance of duplex solenoid:
40~50 ohm.
1. Check the Duplex sensor 2.
- Refer to DCU mode "07"
2. Check the Duplex sensor 2 actuator.
3. Check the Gear of shield pcb
- Check all the gear for correct installation
1. Check the LED Array.
2. Check the cable connection or wire defect.
3. Check Joint board.
1. Check image cartridge life
2. Check Toner sensor contact.
3. Check Joint board
4. Compare new image with present on.
1. Check OUT-BIN sensor.
- Refer to DCU mode "09"
2. Check OUT-BIN sensor actuator.
3. Check cable connection or wire defect
1. Check the Cable between Engine and
Video controller.
(Engine board CN10® Video controller
board J11.)
2. Engine board defect.
Solution
1. Replace Exit sensor.
- Refer to "4-11"
2. Replace Exit sensor actuator.
- Refer to "4-5, 6-6"
3. Replace Exit Roller.
- Refer to "4-3, 6-1"
4. Replace Cover Rear.
- Refer to "6-1"
5. Replace or Clean Fuser Unit
- Refer to "4-5, 6-6"
1. Replace Duplex Clutch.
- Refer to "4-6"
2. Replace the DS1 on Engine Board.
3. Replace Duplex sensor 1 actuator.
- Refer to "4-11"
4. Replace Cover Rear.
- Refer to "6-1"
5. Replace bracket duplex unit
- Refer to "6-8"
6. Replace duplex solenoid ass'y.
1. Replace the DS2 on Engine board.
2. Replace Duplex sensor actuator.
3. Replace Gear of shield pcb
- Refer to "4-11, 6-7"
1. Replace LED Array.
- Refer to "6-2"
2. Replace harness or reconnection.
3. Replace Joint board.
- Refer to Disassembly
1. Replace image cartridge.
2. Replace harness or reconnection.
3. Replace Joint board.
- Refer to "4-4"
4. Replace image cartridge.
1. Replace OUT-BIN sensor.
2. Replace OUT-BIN sensor
actuator.
3. Connect the cable correctly or replace
the cable.
1. Connect the cable correctly or
replace the cable.
- Refer to "4-4"
2. Replace Engine board.
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