Olivetti d-Color MF4003 Service Manual page 448

d-Color MF4003/MF3303
3.13.13 C7312
Contents
Trouble type C7312: Toner suction fan failure
Rank C
Trouble detection condition After starting the fan, an error is detected for the malfunction detection signal.
Trouble isolation -
Relevant electrical parts
Procedure
1. Check the connector between FM2-relay CN10-BASEB CN18E for proper connection and correct as necessary.
2. Check the connector of FM2 for proper drive coupling and correct as necessary.
3. FM2 conduction check
• Control signal: BASEB CN18E-12 (REM), BASEB CN18E-14 (LOCK)
• Location of electrical component: 3-C
4. Replace FM2.
5. Replace BASEB.
3.13.14 C7502
Contents
Trouble type C7502: Tray 1 upper limit sensor failure
Rank C
Trouble detection condition The tray 1 upper limit sensor (PS7) does not change even after the lapse of a predetermined period of time after
tray 1 is opened and closed, after C0202 (Tray 1 feeder up/down abnormality) is detected.
Trouble isolation Tray 1
Relevant electrical parts
Procedure
1. Check the connector between PS7-BASEB CN22E for proper connection and correct as necessary.
2. Replace PS7.
3. Replace BASEB.
3.13.15 C7601
Contents
Trouble type C7601: Power line A1 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 F18E conduction check
2. Check the connector between M1-BASEB CN17E for proper connection and correct as necessary.
3. M1 load check
• Check code: 40
• Multi code: 1, 2
• Control signal: BASEB CN17E-1 to 5
• Location of electrical component: 1-C
4. Replace M1.
5. Replace BASEB.
3.13.16 C7602
Contents
Trouble type C7602: Power line A2 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 F20E conduction check
2. Check the connector between M2-BASEB CN17E for proper connection and correct as necessary.
3. M2 load check
• Check code: 41
Service Manual
• Toner suction fan (FM2)
• Base board (BASEB)
• Tray 1 upper limit sensor (PS7)
• Base board (BASEB)
• Main motor (M1)
• Base board (BASEB)
• Color motor (M2)
• Base board (BASEB)
L TROUBLESHOOTING > 3. TROUBLE CODE
L-50
Y119930-3