| Cable No.* | Connection | Error code that occurs when the cable disconnection/connection failure |
|---|
| 1 | Scanner Sub Board (A) (CN1) | Scanner Main Board (B) (CN18) | |
| 2 | Scanner Sub Board (A) (CN2) | Scanner Main Board (B) (CN19) | |
| 3 | Document Feed Motor (C) | Scanner Main Board (B) (CN38) | |
| 4 | PE Sensor (Scanner) (E) | Scanner Main Board (B) (CN58) | - 930014 (Document detection error)
|
| 5 | Scanner Main Board (B) (CN36) | Printer Main Circuit Board (D) (CN33) | |
| 6 | Scanner Main Board (B) (CN22) | Printer Main Circuit Board (D) (CN40) | |