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MFPs R Now PCs
04-02-2015, 10:42 PM
We have a C550 that has coded hundreds of P-14 in a short order of time. I have reviewed the manual and looked at the image units. The color IU's are fine, however the black IU has a huge swath of area that is super light. I wanted to see if a black IU that has a void could trigger a P-14 and what has your past experience shown to check first?

Thanks in advance!

SIDE NOTE: I've never had so many different codes all pop up at the same time before, are there major sun spots going on right now?

wseyller
04-03-2015, 05:14 AM
PROBABLE CAUSES:
1. Soiled/dirty IDC Registration sensor(s).
Clean IDC Registration sensor/F (IDCS/F) and IDC Registration sensor/R (IDCS/R).

2. Failing or failed IDC Registration sensors (IDC Registration sensor/F and IDC Registration sensor/R).
Replace both IDC Registration sensors (p/n V869 9000 45).

3. Low level of firmware.
Update firmware level to most current level available. A printer file only firmware for use after installation of G00-R5 called GC1-22 corrects false P-14 codes (see attached documentation). The latest version firmware or system software is available via the Konica Minolta Download Selector. Access the Selector from SSD Web Support (CS Expert Support) by clicking on 'Download MSDS, Drivers, Firmware and more'.
Note: If the problem is not corrected, replace the Imaging Unit (IU).
CYAN - p/n A0600JF
MAGENTA - p/n A0600DF
YELLOW - p/n A06007F
BLACK - p/n A06003F

4. Failed print head relay board.
Note: Code may occur after stabilization runs. Performing the color alignment adjustment does not correct the problem.
Replace the print head relay board (p/n A00J H003 00). The print head relay board is also referred to as REYB/PH or PWB-J.
Be sure to check Imaging Unit(s) and replace if necessary. Target the Black Imaging Unit which is the most common cause of the P-14 code.

5. The Color Alignment Adjustment was not performed during setup.
Note: Code may be indicated after a new setup.
Perform the Color Alignment Adjustment:
a. Enter Service mode.
b. Select Machine.
c. Select and perform the Color Alignment Adjustment.
d. Exit Service mode and cycle the power.
Also, please make sure to check the Imaging Unit(s) and replace if necessary. Target Black Imaging Unit which is the most common cause of the P-14 code.

6. The Skew adjustment needs to be performed.
Perform the following skew adjustment procedure:
a. Enter Tech Rep mode.
b. Select Machine.
c. Skew Adjustment.
d. Perform the procedure as outlined in the Service Manual or refer to the attached documentation.

7. Skew correction values not optimum.
Set skew correction values to 50 instead of values printed on PH assembly. Check the value for Magenta laser which should be 236 as printed on label on PH assembly. Any value for Magenta PH skew lower than 212, excluding 0, allows the unit to function normally.

8. Incorrect machine setup (new install).
Use the following Troubleshooting steps when machine is installed, as recommended by Konica Minolta (Japan):
a. Perform "Skew adjustment reset".
b. Perform "Initialize + Image Stabilization".
c. Install firmware version GC1-22. Go to step d if not recovered.
d. Change the IU-Black.
e. Perform "Skew adjustment reset".
f. Perform "Initialize + Image Stabilization". Go to step g if not recovered.
g. Confirm whether the values of Skew adjustment and PH unit are the same.


If they are the same, go to step j if not recovered.

If they are different, input the value of the PH unit in the panel then go to step h.

h. Perform "Skew adjustment reset".
i. Perform "Initialize + Image Stabilization": Go to step j if not recovered.
j. Change the PH unit.
k. Input the value of the PH unit in the panel.
l. Perform "Skew adjustment reset".
m. Perform "Initialize + Image Stabilization".

MFPs R Now PCs
04-03-2015, 08:09 PM
WOW! THANK YOU for this post wseyller!






PROBABLE CAUSES:
1. Soiled/dirty IDC Registration sensor(s).
Clean IDC Registration sensor/F (IDCS/F) and IDC Registration sensor/R (IDCS/R).

2. Failing or failed IDC Registration sensors (IDC Registration sensor/F and IDC Registration sensor/R).
Replace both IDC Registration sensors (p/n V869 9000 45).

3. Low level of firmware.
Update firmware level to most current level available. A printer file only firmware for use after installation of G00-R5 called GC1-22 corrects false P-14 codes (see attached documentation). The latest version firmware or system software is available via the Konica Minolta Download Selector. Access the Selector from SSD Web Support (CS Expert Support) by clicking on 'Download MSDS, Drivers, Firmware and more'.
Note: If the problem is not corrected, replace the Imaging Unit (IU).
CYAN - p/n A0600JF
MAGENTA - p/n A0600DF
YELLOW - p/n A06007F
BLACK - p/n A06003F

4. Failed print head relay board.
Note: Code may occur after stabilization runs. Performing the color alignment adjustment does not correct the problem.
Replace the print head relay board (p/n A00J H003 00). The print head relay board is also referred to as REYB/PH or PWB-J.
Be sure to check Imaging Unit(s) and replace if necessary. Target the Black Imaging Unit which is the most common cause of the P-14 code.

5. The Color Alignment Adjustment was not performed during setup.
Note: Code may be indicated after a new setup.
Perform the Color Alignment Adjustment:
a. Enter Service mode.
b. Select Machine.
c. Select and perform the Color Alignment Adjustment.
d. Exit Service mode and cycle the power.
Also, please make sure to check the Imaging Unit(s) and replace if necessary. Target Black Imaging Unit which is the most common cause of the P-14 code.

6. The Skew adjustment needs to be performed.
Perform the following skew adjustment procedure:
a. Enter Tech Rep mode.
b. Select Machine.
c. Skew Adjustment.
d. Perform the procedure as outlined in the Service Manual or refer to the attached documentation.

7. Skew correction values not optimum.
Set skew correction values to 50 instead of values printed on PH assembly. Check the value for Magenta laser which should be 236 as printed on label on PH assembly. Any value for Magenta PH skew lower than 212, excluding 0, allows the unit to function normally.

8. Incorrect machine setup (new install).
Use the following Troubleshooting steps when machine is installed, as recommended by Konica Minolta (Japan):
a. Perform "Skew adjustment reset".
b. Perform "Initialize + Image Stabilization".
c. Install firmware version GC1-22. Go to step d if not recovered.
d. Change the IU-Black.
e. Perform "Skew adjustment reset".
f. Perform "Initialize + Image Stabilization". Go to step g if not recovered.
g. Confirm whether the values of Skew adjustment and PH unit are the same.


If they are the same, go to step j if not recovered.
If they are different, input the value of the PH unit in the panel then go to step h.

h. Perform "Skew adjustment reset".
i. Perform "Initialize + Image Stabilization": Go to step j if not recovered.
j. Change the PH unit.
k. Input the value of the PH unit in the panel.
l. Perform "Skew adjustment reset".
m. Perform "Initialize + Image Stabilization".

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