Konica Minolta bizhub C658 Service Manual page 979

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bizhub C658/C558/C458/C368/C308/C258

▪ If the self diagnosis (full) is started with the main power switch, you cannot call the Normal Mode or the Service Mode to

the screen. To switch the mode, turn OFF the main power switch, and turn ON again after 10 seconds.

(5) Procedure (when NG is detected)

1. If [NG] is detected, the [Error Code] key will be displayed on the diagnosis screen.

2. Touch the [Error Code] key to display the Error Code screen.

3. Check the displayed "Error Code", and turn OFF the main power switch.

4. Refer to the Service Manual [Error Code List], and perform the troubleshooting against each error code.

(6) Auto Execution of Self-diag. (Full)

• Set the [Switch NO.163] to [00000010] at [Bit assignment] and [02] at [HEX assignment] in [Service Mode] -> [System 2] -> [Software

Switch Setting], so that the "Self-diag. (Full)" can be executed automatically when a "trouble code" occurred.

▪ If this function is set on a client MFP, make sure to reset the settings after completing an operation check and troubleshooting.

Sequence of Auto Execution of Self-diag. (Full)

1. Errors are detected. (Trouble codes are displayed, and the MFP stops.)

2. The MFP reboots automatically. (The MFP reboots automatically up to three times.)

3. The Self-diag. (Full) is executed automatically.

4. After completing the Self-diag. (Full), the MFP stops with the self diagnosis screen being displayed.

Perform the following procedures manually.

5. If [OK] is displayed for all diagnosis items, turn OFF the main power switch to finish the Self-diag. (Full).

6. If [NG] is displayed, touch the [Error Code] key to display the Error Code screen.

7. Check the displayed "Error Code", and turn OFF the main power switch.

8. Refer to the Service Manual [Error Code List], and perform the troubleshooting against each error code.

▪ The Self-diag. (Full) will be executed automatically only when the rank B/C trouble codes are detected. When the rank A trouble

codes are detected, the MFP will stop with troubles being detected, and stand by.

I ADJUSTMENT/SETTING > 5. SERVICE MODE

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