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Kyocera cs1820 error 6400 - Copystar CS-1820 Copier

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Fuser unit problem try to reset it by using mode 163, if it doesnot work change the fuser unit

I’m happy to help further over the phone at

Posted on Jul 06, 2009


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017


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Error code relates to the fuser unit.Suggest that it is replaced.

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Code: 6400
Contents: Zero cross signal error
While fuser heater ON/OFF control is
performed, the zero-cross signal is not
input within 3 s.

- Defective the power source PWB.
- Defective the engine/high voltage PWB.

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Refer to the Advance Operators Guide page 6-1. You can download the manual at the following link;

If yo need additional help call Kyocera Technical Support Monday - Friday 9 am - 6 pm EST at:

1-800-255-6482 There is no charge.

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Kyocera fs 1016 mpf printer error service call 6400

Code: 6400

Zero cross signal error
While fuser heater ON/OFF control is
performed, the zero-cross signal is not
input within 3 s.

- Defective the power source PWB
- Defective the engine/high voltage PWB.

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Hello sir; The code you display which means waste toner bottle full, just dump it .

May 12, 2009 | Copystar CS-1820 Copier

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Kyocera FS-1920 error message: "call service 6400:0295998"

Your drum unit is not seated correctly. Look inside for a bent drum ground clip.

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Kyocera cs1820

c 7980 is a warning that the waste toner container on the imaging unit is full, This usually means the life of the imaging unit is finished or close to being finished. If u dont want to replace it yet, a quick way is just to empty it. on the left and right of the unit at the back you will see 2 screws take those out then remove the small covers and just poor the toner out(DONT BLOW INTO THE UNIT). put tje covers back on, clear off any spilt toner and put the unit back into the machine

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