Samsung MultiXpress K7 Series Service Manual page 355

► Error Code
H1-1453
► Error message
Input System Failure #H1-1453 : Pull Tray 4 out and insert it.
► Symptom
The paper is not fed from tray4.
► Troubleshooting method
1) Remove and insert tray4 correctly.
2) Turn the machine off then on.
3) If the problem persists, turn the machine off.
4) Remove the Rear Cover.
5) Check if the connection between the DCF pick up drive and DCF PBA is correct.
6) If the connection is OK, replace the pick up drive unit(JC93-00442A).
7) If the problem persists, check the following.
a) Remove the DCF pick up unit2.
b) Check if the photo sensor in the DCF pick up unit2 is contaminated. If so, clean it.
c) If the photo sensor(0604-001393) is defective, replace it.
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4. Troubleshooting
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