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jwrycza
10-19-2017, 02:27 AM
I have this machine with this error code. Originally, the code would set only on color printing but, now, it is constant. I have replaced the fuser drive unit (That is where the motor and clutch are), PRCB board, power supply unit and HV unit. All with no change. Looking for some insight into this.

AjitN
10-19-2017, 04:14 AM
I think C2152 for ITB retract problem.
Try to clean retract sensor and check retract mechanism.
Hope this helps

selig67
10-19-2017, 05:13 PM
this is also a "rank B" error code, so you need to open and close the lower front door to reset it.

(1) Contents
Trouble type Transfer belt pressure welding alienation
Trouble code C2152
Rank B
Detection timing • The 1st transfer pressure sensor (PS39) does not detect “switch from retraction to pressure” within a given
period time after 1st transfer pressure clutch (CL5) has stared engagement.
• The 1st transfer pressure sensor (PS39) is unblocked after the laps of given time after the 1st transfer
pressure clutch (CL5) turned OFF when the pressing operation is finished.
• The 1st transfer pressure sensor (PS39) does not detect “switch from pressure to retraction” within a given
period time after 1st transfer pressure clutch (CL5) has stared engagement.
• The 1st transfer pressure sensor (PS39) is blocked after the lamps of given time after the 1st transfer
pressure clutch (CL5) turned OFF when the release operation is finished.
Trouble isolation -
Relevant electrical parts • Fusing motor (M3)
• 1st transfer pressure clutch (CL5)
• 1st transfer pressure sensor (PS39)
• Printer control board (PRCB)
(2) Procedure
Step Action Control signal Location of electrical components
1 Check the connector between M3-PRCB CN2 for
proper connection and correct as necessary - -
2 Check the connector of M3 for proper drive coupling
and correct as necessary. - -
3
Check the connector between PS39-relay CN113-
PRCB CN13 for proper connection and correct as
necessary.
4 Check the connector between CL5-relay CN118-PRCB
CN13 for proper connection and correct as necessary. - -
5 PS39 I/O check, sensor check PRCB CN13-7 (ON) bizhub C554e 25-C
bizhub C454e 23-C
6 CL5 operation check PRCB CN13-14 (ON) bizhub C554e 25-C
bizhub C454e 22-C
7 M3 operation check PRCB CN2-9 (REM)
PRCB CN2-12 (LOCK)
bizhub C554e 22-J
bizhub C454e 21-J
8 Replace M3 - -
9 PRCB ICP3 conduction check - -
10 Replace PRCB

mo0651
10-20-2017, 10:01 PM
Did you change the transfer belt?

jwrycza
10-20-2017, 10:12 PM
Did you change the transfer belt?

No, I have not. It is a wiring issue as I am losing voltage to the relays.

copierwhisper
10-23-2017, 10:03 PM
Ultimately what was wrong and/or what was the fix?

copytech,mike
12-21-2019, 04:36 AM
I have this machine with this error code. Originally, the code would set only on color printing but, now, it is constant. I have replaced the fuser drive unit (That is where the motor and clutch are), PRCB board, power supply unit and HV unit. All with no change. Looking for some insight into this.

Replace the transfer belt unit!

allan
12-21-2019, 04:42 AM
Its normally toner on the sensor...

Copier repairman
12-21-2019, 02:49 PM
I have this machine with this error code. Originally, the code would set only on color printing but, now, it is constant. I have replaced the fuser drive unit (That is where the motor and clutch are), PRCB board, power supply unit and HV unit. All with no change. Looking for some insight into this.

Remove the transfer belt and clean the sensor.

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