C2559 error code - Konica Minolta BizHub C650 Copier

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if its a Kenmore model then this message says that the button control board has lost sight of the main control board , but its been my experience that this maybe able to be reset and it may never come back or it will not reset and the control board will need replaced (50/50)


cycling power may reset this

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Details Subject:
C-255A (C255A), C-255B (C255B), C-2559 (C2559) or C-255C (C255C) at power up.
Description:
C-255x code at power up.
Solution:
CAUSE: The K (black) IU (C-255C) has failed. The M (Magenta) IU (C-255A), Y (Yellow) IU (C-255B) or C (Cyan) IU (C-2559) is not fully seated or has failed.

SOLUTION: Replace the K (black) IU (Item #A0DE02F for the bizhub C203/C253 and Item #A0DE03F for the bizhub C353). Reseat the color IU and if the problem persists, replace it. Item # Color IU Model
A0DE0CF Magenta bizhub C203/C253
A0DE0DF Magenta bizhub C353
A0DE06F Yellow bizhub C203/C253
A0DE07F Yellow bizhub C353
A0DE0HF Cyan bizhub C203/C253
A0DE0JF Cyan bizhub C353
SPECIAL NOTE: Solution contribution by Tom Kelly, Workgroup/SSD

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None Specified Details Subject:
After toner installation, C255x code within a few hundred prints.

Description:
C2551, C2553, C2555 or C2557 codes.
Solution:
CAUSE: Toner is not supplied due to abnormal position of coupling.

Normal condition The coupling is blocked by bracket

was this third party??? if so replace the image with Konicaminolta unit

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/normanj_7893313f0751935f

C2559: Cyan TCR Sensor adjustment failure



Clean the TCR Sensor window on the
underside of the Imaging Unit if dirty


or


Change Imaging Unit

Unplug external USB devices and wait for sometime,now reset our machine and access in safe mode, run Reginout Scan.

Hello there:
if you go to radio shack they have all of these transistors that you will need. these are not hard to replace if you know how to use a soldering iron ok?
best regards mike

It sounds like the main power transistors may be bad. Common with big amplifiers. The transistors can be better tested out of the circut. Sometimes only a few are the ones causing the fault. They may not all be bad. It is always recomended to replace a transistor with the same part. If the correct part is not avalible you can usually substitute it with one of similar specifications. Replacements can be better or worse, usually no noticable difference is present. Also there are usually very low ohm resistors that may be damaged usually connected near the transistor. It takes a very sensitive meter to check them so I replace them too while I have it apart and to ensure correct operation. C2559 is the part you have. It does not cross to any radio shack (Archer) numbers... It does cross to other # avalible online at DiGiKey.com.