Re: showing 'error occured call service person c6400'
To reset fuser code 6400 by pressing counter/system button, then go to service setting, then hold the start and hash button at the same time, now press enter and leave all buttons, press 163 and enter/execute, switch off and on, fuser will be reset, if not reset then replace fuser/fixing unit.
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Press the system menu/counter key,Select Service setting using the up/down cursor keys.While pressing the start key and the # key, press the enter key.then select 163 Resetting the fusing problem data Description Resets the detection of a service call code indicating a problem in the fusing section. When a service call concerning the fusing section occurs, turn the power switch off and open the front cover. Then, turn the power switch on and press the system menu/counter key to enter the maintenance mode. Purpose To prevent accidents due to an abnormally high fusing temperature. Method 1. Press the enter key. A selection item appears. 2. Select Execute using the up/down cursor keys. 3. Press the enter key. The fusing problem data is initialized. (Four service calls, namely C6000, C6020, C6050, and C6400 are reset.) Completion Press the back key. The indication for selecting a maintenance item No. appears.
C6400 indicates that the engine board is not recieving the correct signal.
I would suggest that you turn off the machine and ensure that the cable that runs from the document feeder at the top rear of the machine into the connector on the rear of the machine (if fitted) is securly tightened.
You can also try turning the machine off at the wall for 10 minutes.
If this fails you will need to call out a technician.
Contents: Zero-crossing signal problem • The engine PWB does not detect the zero-crossing signal for the time specified below. At power-on: 3 s Others: 5 s
Causes: Poor contact in the connector terminals. Check procedures/corrective measures: Check the connection of connectors YC7 on the engine PWB and YC2 on the power supply PWB, and the continuity across the connector terminals. Repair or replace if necessary.
Causes: Defective power supply PWB. Check procedures/corrective measures: Check if the zero-crossing signal is output from YC2-11 on the power supply PWB. If not, replace the power supply PWB.
Causes: Defective engine PWB. Check procedures/corrective measures: Replace the engine PWB if C6400 is detected while YC2-11 on the power supply PWB outputs the zero-crossing signal.
Error C6400 appears in Kyocera FS118 when Zero crossing signal problem occurs i.e when the engine PWB doesnt detect the zero crossing signal. This can occur due to --
#1 Poor contact in the connector terminals. #2 Defective power supply PWB. #3 Defective engine PWB.
To reset it from Mainatince mode turn the power switch off and open the front cover. Now, turn the power switch on and press the system menu/counter key to enter the maintenance mode.
1. Press the enter key. A selection item appears. 2. Select Execute using the up/down cursor keys. 3. Press the enter key. The fusing problem data is initialized. (Four service calls, namely C6000, C6020, C6050, and C6400 are reset.) 4. After this is complete press the back key. The indication for selecting a maintenance item No. appears.