Konica-Minolta bizhub 308e

Boot diagnosis function

• The boot diagnosis is performed when the start screen on the touch panel of the machine freezes or blacks out for some faulty condition.
• The boot diagnosis can be performed automatically to identify a cause of a problem when the machine fails to start properly. (The boot diagnosis can also be performed manually.)
• The result of the boot diagnosis is determined on the basis of the light conditions of "data indicator" and "power key".

1. Touch panel
2. Data indicator
3. Power key

Boot diagnosis sequence

1. A fault is detected when the machine is started. (Start screen freezes or blacks out)
2. Auto reboot is performed. (a maximum of three times)
3. The boot diagnosis is performed automatically.
4. After the boot diagnosis is completed, the machine stops in any of the state described in the Boot diagnosis result list.

Manual boot diagnosis procedure

1. Turn OFF the main power switch under the condition in which the start screen freezes or blacks out during the startup sequence.
2. Turn the main power switch on while pressing the power key.
3. After a short beep sound is made once, release the power key and close the front lower door or the front door.
4. The combination of "power key" and "data indicator" displays the result of the boot diagnosis.
5. Check the display combination and turn OFF the main power switch.
6. Perform the procedure according to the result of the boot diagnosis.

Boot diagnosis result list

No.	Power key	Data indicator	Target device	Reason of error	Corrective action procedure
1	Light out	Light out	Control panel unit	• Control panel unit engagement /mounting failure • Control panel unit failure	1. Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more, and turn ON the main power switch. 2. Check the control panel unit for proper installation. Correct the mounting of control panel unit if faulty. 3. Reinstall the control panel unit. 4. Replace the cable for the control panel unit. 5. Replace the control panel unit. (bizhub 368e/308e / bizhub 658e/558e/458e)
2	Light up in purple	Light out	Unable to determ	• Cable breakage • Firmware abnormality	1. Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more, and turn ON the main power switch. 2. Check the MFP board for proper installation. Correct the mounting of MFP board if faulty. 3. Replace the cable for the MFP board. 4. Replace the MFP board. (bizhub 368e/308e / bizhub 658e/558e/458e)
3	Light up in purple	Blink (long period)	Memory	Memory failure	1. Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more, and turn ON the main power switch. 2. Reinstall the memory board/2. 3. Replace the memory board/2. 4. Replace the MFP board. (bizhub 368e/308e / bizhub 658e/558e/458e)
4	Light up in purple	Blink (short period)	eMMC board	• eMMC board engagement /mounting failure • eMMC board failure	1. Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more, and turn ON the main power switch. 2. Reinstall the eMMC board. 3. Replace the eMMC board. (bizhub 368e/308e / bizhub 658e/558e/458e) 4. Replace the MFP board. (bizhub 368e/308e / bizhub 658e/558e/458e)
5	Light up in purple	Light up	Software	Software trouble	1. Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more, and turn ON the main power switch. 2. Reinstall the firmware. 3. Reinstall the eMMC board. 4. Replace the eMMC board. After that, reinstall the firmware. (bizhub 368e/308e / bizhub 658e/558e/458e) 5. Replace the MFP board. (bizhub 368e/308e / bizhub 658e/558e/458e)

NOTE
▪ Perform the troubleshooting in the sequence from step 1 of "Corrective action procedure" against each item while checking that
if each trouble has been resolved. Do not perform the troubleshooting against all troubles at once.

How to reset the boot diagnosis result

1. Turn OFF the main power switch. Wait for 10 sec. or more, and turn ON the main power switch. Reboot the machine.
NOTE
▪ The freeze state is reproduced if the cause of the fault has not been eliminated.