Olivetti d-Color MF4003 Service Manual page 451

d-Color MF4003/MF3303
Procedure
1. BASEB F2E conduction check
2. Check the connector between FM1-relay CN23-BASEB CN19E for proper connection and correct as necessary.
3. Check the connector between FM2-relay CN10-BASEB CN18E for proper connection and correct as necessary.
4. Replace FM1.
5. Replace FM2.
6. Replace BASEB.
3.13.23 C7615
Contents
Trouble type C7615: Power line A20 error
Rank C
Trouble detection condition The fuse detection unit detected an error for a predetermined time.
Trouble isolation -
Relevant electrical parts
Procedure
1. BASEB F3E conduction check
2. Check the connector between the PH unit-BASEB CN5E for proper connection and correct as necessary.
3. Replace the PH unit.
4. Replace BASEB.
3.13.24 C7616
Contents
Trouble type C7616: Power line A21 error
Rank C
Trouble detection condition The fuse detection unit detected an error for a predetermined time.
Trouble isolation -
Relevant electrical parts
Procedure
1. BASEB F5E conduction check
2. Check the connector between M4-BASEB CN13E for proper connection and correct as necessary.
3. Check the connector between M5-BASEB CN13E for proper connection and correct as necessary.
4. Replace M4.
5. Replace M5.
6. Replace BASEB.
3.13.25 C7631
Contents
Trouble type C7631: Supply power line 1 error
Rank C
Trouble detection condition All of the fuse detection units of the same supply power line (24V10) detected an error for a predetermined time.
Trouble isolation -
Relevant electrical parts
Procedure
1. BASEB F1E, F2E, F3E, F4E conduction check
2. Check the connector between DCPS CN4-BASEB CN3E for proper connection and correct as necessary.
3. Check the connector between DCPS CN6-BASEB CN1E for proper connection and correct as necessary.
4. Replace DCPS.
5. Replace BASEB.
3.13.26 C7632
Contents
Trouble type C7632: Supply power line 2 error
Rank C
Trouble detection condition All of the fuse detection units of the same supply power line (24V21) detected an error for a predetermined time.
Trouble isolation -
Relevant electrical parts
Y119930-3
• Base board (BASEB)
• PH unit
• Base board (BASEB)
• Toner supply motor/YM (M4)
• Toner supply motor/CK (M5)
• Base board (BASEB)
• DC power supply (DCPS)
• Base board (BASEB)
• DC power supply (DCPS)
• Base board (BASEB)
L TROUBLESHOOTING > 3. TROUBLE CODE
L-53
Service Manual