Samsung MultiXpress K7 Series Service Manual page 365

► Error Code
H1-4411 / H1–4412 / H1–4413 / H1–4417 / H1–4418 (HCF+LCT)
H1-4511 / H1–4512 / H1–4513 / H1–4517 / H1–4518 (DCF+LCT)
► Error message
Paper jam in Tray 4.
Paper jam in Tray 5.
► Symptom
Paper jam has occurred in LCT. (Pick up unit connection is defective. / Pickup rollers are defective. / Feed sensor
is defective.)
► Troubleshooting method
1) Open the LCT Top Cover. Remove the jammed paper. And, close the LCT Top Cover.
2) If this jam error occurs frequently, check the rollers below.
a) Open the LCT Top Cover.
b) Check if the pick up/ reverse/ forward rollers are assembled correctly.
c) If the pick up/ reverse/ forward rollers are worn out or contaminated, replace the defective roller(JC93–01091A).
3) If pick up/ reverse/ forward rollers have no problem, check the following.
a) Remove the LCT pick up unit. Check if the feed sensor cable is connected correctly.
b) Check if the sensor cable on LCT board is connected correctly.
c) If the connection is OK, replace the feed sensor(0604-001490).
d) Check if the sensor and actuator are assembled correctly.
e) Install the LCT pick up unit.
4) Check the LCT feed motor and pick-up motor.
a) Check if the LCT feed motor and pick-up motor cables are connected correctly.
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4. Troubleshooting
4-114