Advertisement
bizhub C4000i/C3300i
Procedure
1. Check the connector between CL7-relay CN39-BASEB CN18E for proper connection and correct as necessary.
2. Check the connector of CL7 for proper drive coupling and correct as necessary.
3. CL7 conduction check
• Control signal: BASEB CN18E-8 (ON)
• Location of electrical component: 3-C
4.
Replace CL7.
5.
Replace BASEB.
3.11.11 C7243
Contents
Trouble type
C7243: Exit path switch solenoid failure
Rank
C
Trouble detection condition After starting the solenoid, an error is detected for the malfunction detection signal.
Trouble isolation
-
Relevant electrical parts
Procedure
1. Check the connector between SD1-relay CN12-BASEB CN18E for proper connection and correct as necessary.
2. Check the connector of SD1 for proper drive coupling and correct as necessary.
3. SD1 conduction check
• Control signal: BASEB CN18E-10 (ON)
• Location of electrical component: 3-C
4.
Replace SD1.
5.
Replace BASEB.
3.11.12 C7311
Contents
Trouble type
C7311: Machine cooling 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 FM1-relay CN23-BASEB CN19E for proper connection and correct as necessary.
2. Check the connector of FM1 for proper drive coupling and correct as necessary.
3. FM1 conduction check
• Control signal: BASEB CN19E-4 (REM), BASEB CN19E-6 (LOCK)
• Location of electrical component: 9-C
4.
Replace FM1.
5.
Replace BASEB.
3.11.13 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.
3.11.14 C7502
Contents
Trouble type
C7502: Tray 1 upper limit sensor failure
Rank
C
• Exit path switch solenoid (SD1)
• Base board (BASEB)
• Machine cooling fan (FM1)
• Base board (BASEB)
• Toner suction fan (FM2)
• Base board (BASEB)
L TROUBLESHOOTING > 3. TROUBLE CODE
L-39
Advertisement
