Code :

Code: C-8408
Description: Original skew sensor /Rr (PS311) abnormality.
Causes: • Original skew sensor /Rr (PS311: DF-615/616) • DF control board (DFCB: DF-615/616) DIPSW18-4
Remedy: 1. Check the connector connection and the wiring between DFCB and the sensor, and repair it if any abnormality. 2. Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: DF-615/616: 2-E) 3. Replace PS311. 4. Replace DFCB

Code: C-8409
Description: Original registration sensor /Rt (PS318) abnormality.(DF-615 only)
Causes: • Original registration sensor /Rt (PS318: DF-615) • DF control board (DFCB: DF-615) DIPSW18-4
Remedy: 1. Check the connector connection and the wiring between DFCB and the sensor, and repair it if any abnormality. 2. Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: DF-615: 1-C) 3. Replace PS318. 4. Replace DFCB

Code: C-8410
Description: Centering sensor /Fr (PS320) abnormality. (DF-615 only)
Causes: • Centering LED sensor / Fr (PS319: DF-615) • Centering sensor /Fr (PS320: DF-615) • DF control board (DFCB: DF-615) DIPSW18-4
Remedy: 1. Check the connector connection and the wiring between DFCB and the sensor, and repair it if any abnormality. 2. Check the sensor to see LED emission and light-receiving path, and repair/replace it if any abnormality. (Wiring diagram: DF-615: 1-F, 1-E) 3. Replace PS319 and PS320. 4. Replace DFCB

Code: C-8411
Description: Centering sensor /Rr (PS321) abnormality. (DF-615 only)
Causes: • Centering LED sensor / Rr (PS322: DF-615) • Centering sensor /Rr (PS321: DF-615) • DF control board (DFCB: DF-615) DIPSW18-4
Remedy: 1. Check the connector connection and the wiring between DFCB and the sensor, and repair it if any abnormality. 2. Check the sensor to see LED emission and light-receiving path, and repair/replace it if any abnormality. (Wiring diagram: DF-615: 1-F, 2-E) 3. Replace PS321 and PS322. 4. Replace DFCB

Code: C-8412
Description: Multi feed detection boards /S (MFDBS) and /R (MFDBR) abnormality(DF-615 only)
Causes: • Multi feed detection boards /S (MFDBS: DF-615) • Multi feed detection boards /R (MFDBR: DF-615) • DF control board (DFCB: DF-615) DIPSW18-4
Remedy: 1. Check the connector connection and the wiring between DFCB and the multi-feed detection board, and repair it if any abnormality. 2. Check the multi-feed detection board to see emission and receiving path, and repair/replace it if any abnormality. (Wiring diagram: DF-615: 1-B, 7-A) 3. Replace MFDBS or MFDBR. 4. Replace DFCB

Code: C-A001
Description: Transfer error to the main body image memory
Causes: • IC board (ICB) • PCI relay board (PCIRB) • Overall control board (OACB)
Remedy: 1. Check the connector connection and the wiring between ICB and PCIRB/between PCIRB and OACB, and repair it if any abnormality. 2. Replace ICB. 3. Replace PCIRB. 4. Replace OACB.

Code: C-A002
Description: Hard disk /2 (HDD2) abnormality.
Causes: • IC board (ICB) • PCI relay board (PCIRB) • Hard disk /2 (HDD2)
Remedy: 1. Check the connector connection and the wiring between ICB and HDD2/between PCIRB and HDD2, and repair it if any abnormality. 2. Format HDD2. 3. Replace HDD2. 4. Replace PCIRB. 5. Replace ICB.

Code: C-A003
Description: IC cooling fan (FM39) lock abnormality.
Causes: • IC cooling fan (FM39) • IC board (ICB)
Remedy: 1. Check the connector connection and the wiring between ICB and the fan, and repair it if any abnormality. 2. Rotate the fan or I/O by hand, and repair/replace it if any abnormality. (Wiring diagram: Main body (4/4): 22-E) 3. Replace FM39. 4. Replace ICB.