Bizhub C250 error code C3852

[Kmdurrin]

We have a machine that is constantly giving this error code. We have replaced the fusing unit, and the code will now go away for a while with a standard trouble reset... but it always comes back. Any ideas?

[mitchl]

We have a machine that is constantly giving this error code. We have replaced the fusing unit, and the code will now go away for a while with a standard trouble reset... but it always comes back. Any ideas?

Dont know if you have seen this but you might want to give it a whirl.

Subject:
C3851 or C3852.
Description:
C3851 or C3852.
Solution:

PROBABLE CAUSES:
1. Improper softswitch setting.
On phase 2.0 or higher firmware, change the following softswitch setting: Service Mode => System2 => Software Switch Setting Switch No.: 50, Bit Assignment: 00000001 Hex Assignment: 01
Note: The hex value will be changed automatically when the bit assignment is changed.

2. Poor Fusing Unit connection.
Check the Fusing Unit connection(s).

3. Failed components.
a. Replace Fusing Unit (p/n 4038-0754-00)
b. Replace Mechanical Control Board PWB-M (p/n 4038-0101-05)
c. Replace DC Power Supply PU1 (p/n 4038-6201-02)