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Zanta
04-03-2018, 01:12 PM
Hi guys.
I stuck with my machine by c6801 code.
One day i sent a job to machine and after complete half of job machine stopped for no toner. machine standby for 10 hours.
when i charge toner, the job started and after a few minutes machine show the c4701 code.
i turn off and on the machine and operation panel is not working and it's off. I saw c6801 code on panel.
thank you guys for help.

stuckmx
04-03-2018, 03:14 PM
C-6801
Classification
Operation section: Initial communication unreached error
Cause
After the sub power switch (SW2) turns ON, the communication between the overall control board (OACB) and the operation board /1
(OB1) is not started within a specified period of time.


Measures to take when alert occurs
The main body stops immediately to turn OFF the main relay (RL1).

Estimated abnormal parts
• Operation board /1 (OB1)
• Operation board /4 (OB4)
• Overall control board (OACB)

Correction
Turn OFF/ON the sub power switch of the main body.
Note
• The message "Please turn on power again" is displayed on the touch panel.

Solution
1. Check the connector connection and the wiring between the operation panel and the main body, and repair it if any abnormality.
2. Check the connector connection and the wiring of OACB, OB4 and OB1, and repair it if any abnormality.
3. Replace OB1.
4. Replace OB4.
5. Replace OACB

Zanta
04-04-2018, 11:19 AM
thanks for your answer, but my operation panel is working when i disconnected the MCB1 board or PRIBD board.

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