Konica Minolta BIZHUB C3100P Service Manual page 166

Detection timing
Trouble isolation
Relevant electrical parts
(2) Procedure
Step
Check the connector between M1-PRCB CN11 for
1
proper connection and correct as necessary.
Check the M1 connector for proper drive coupling and
2
correct as necessary.
3 M1 operation check
4 Replace M1.
5 Replace PRCB.
• Link to the wiring diagram
• Link to the layout drawings for related parts by each trouble code
3.4.4 004A
(1) Contents
Trouble type
Trouble code
Detection timing
Trouble isolation
Relevant electrical parts
(2) Procedure
Step
Check the connector between FM11-relay CN29-
1 PRCB CN10 for proper connection and correct as
necessary.
Check the fan for possible overload and correct as
2
necessary.
FM11 operation check
3
4 Replace FM11.
5 Replace PRCB.
• Link to the wiring diagram
• Link to the layout drawings for related parts by each trouble code
3.4.5 004E
(1) Contents
Trouble type
Trouble code
Detection timing
Trouble isolation
Relevant electrical parts
(2) Procedure
Step
Check the connector between FM10-relay CN43-
1 PRCB CN2 for proper connection and correct as
necessary.
• The developing motor does not rotate evenly even after the lapse of a given period of time while it is being
started.
• The motor lock signal remains HIGH for a given period of consecutive time while the developing motor is
being rotated.
-
• Developing motor (M1)
• Printer control board (PRCB)
Action
(N.1.2 Main body (2/2))
Cooling fan motor malfunction
004A
• The cooling fan motor does not rotate evenly even after the lapse of a given period of time while it is being
started.
• The motor lock signal remains HIGH for a given period of consecutive time while the cooling fan motor is
being rotated.
-
• Cooling fan motor (FM11)
• Printer control board (PRCB)
Action
(N.1.2 Main body (2/2))
Power supply cooling fan malfunction
004E
• The power supply cooling fan does not rotate evenly even after the lapse of a given period of time while it is
being started.
• The motor lock signal remains HIGH for a given period of consecutive time while the power supply cooling fan
is being rotated.
-
• Power supply cooling fan (FM10)
• Printer control board (PRCB)
Action
K TROUBLESHOOTING > 3. TROUBLE CODE
Control signal
-
-
PRCB CN11-3 to 6
-
-
(S.3. 0018)
Control signal
-
-
PRCB CN10-5 (REM)
PRCB CN10-7 (LOCK)
-
-
(S.4. 004A)
Control signal
-
K-12
Location of electrical components
-
-
13-B to C
-
-
Location of electrical components
-
-
5-E
-
-
Location of electrical components
-