Samsung SL-X7600GX Service Manual page 370

4. Troubleshooting
► Error Code
C5–1120
► Error message
Replace new transfer belt unit.
► Symptom
The life of the ITB Unit has expired.
► Troubleshooting method
1) Turn the machine off.
2) Remove the ITB cleaner.
3) Remove the ITB Unit.
4) Install new ITB Unit and ITB cleaner.
5) Turn the machine on.
6) Enter SVC mode.
7) Select "TRANSFER"
(INFORMATION > Supply Status > Field Replacement Unit > TRANSFER)
8) Select "ITB". The "RESET" button will be activated. Click "RESET" to clear the ITB count.
9) Exit SVC mode by pushing the home button.
► Error Code
C5–2120
► Error message
Prepare new transfer belt unit.
► Symptom
The life of the ITB cleaner has expired.
► Troubleshooting method
1) Turn the machine off.
2) Replace the ITB cleaner.
3) Turn the machine on.
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