Question about Konica Minolta bizhub C450P Laser Printer

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P-27 during stablizer and then also gives p-21. No atvc second transfer and washed out copies. replaced HV1 and also transfer belt and transfer roller. Also swapped entire rh door transfer assembly with anioher machine that was working.

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You need a new printer. it'll cost just as much to fix it as it will to buy a new one

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What's your question? my konica minolta c451e printing machine showed me an error code p21, what could that mean and it is not printing any image but black-green shade

P-21 - Color regist test pattern failure
• The number of points detected in the main scan direction is more or less than the specified value during main scan direction registration correction.
• The number of points detected in the sub scan direction is more or less than the specified value during sub scan direction registration correction.

P-21: Color regist test pattern failure
Relevant parts:
• Transfer belt unit
• PH unit
• Printer control board (PRCB)
1/ Wipe clean the surface of the transfer belt with a soft cloth, if it is dirty.
2/ Change the image transfer belt unit if the transfer belt is damaged.
3/ Change the PH unit.
4/ Change PRCB.

(See Service Manual, pages 599, 603):

See also here:
Konica Minolta Bizhub c451 Reparacin de Fotocopiadoras YoReparo
Thread Problemas na C451 7 21

May 31, 2015 | Konica Minolta Office Equipment & Supplies

1 Answer

Blank copies

you have a registration error , which will require removable of the transfer belt and cleaning of the sensors below the transfer belt

Feb 12, 2014 | Konica Minolta Bizhub C364 Color Copier /...

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P - 26 1st image transfer ATVC black failure
P - 27 2nd image transfer ATVC failure
P - 29 1 st image transfer ATVC colour failure
Check the transfer belt unit contact and that of high voltage board for connection and clean or correct the contact.
Change the image transfer belt unit.
Clean the sensor windows on the transfer belt unit.

Feb 10, 2013 | Konica Minolta bizhub C450P Laser Printer

1 Answer

E000067-0110 WHAT PROBELM

Code Detail code Nature Description Remedy Remarks

E067 high-voltage-related error, 0100 The current measured of the primary transfer ATVC is faulty 2 times in succession. Turn off and then on the main power. 0110 The computed voltage of the primary transfer ATVC is faulty 2 times in succession.
Turn off and then on the main power.

Apr 17, 2011 | Computers & Internet

1 Answer

Error C500.


1. Insufficient airflow during idle causing internal machine temperature to rise. Toner is backing up or solidifying in the cleaning unit box for the transfer belt causing the transfer belt drive motor (M18) to bind.

Replace the Belt Cleaning Unit (p/n 65LA R702 00) and install attached Special Printer Control firmware (version 51-PBF0 for the 8050/CF5001 and version 12-PBF0 for the bizhub PRO C500). This firmware keeps M11 (Transfer Belt Cooling Fan) ON for a period after the copy process has completed which helps keep the internal temperature at normal levels. The firmware can also be download from 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: Firmware version 51-PBF0 is primarily for the 8050, but can be used for the CF5001. When using the ISW tool to download the firmware please select the 8050 from the drop down. If the CF5001 is selected the ISW tool will not see the file.

2. The paper exit fans (M61/M62/M63) DIPswitch is not turned ON.

Set software DIPSW 21-0 = 1 to enable the paper exit fans.

3. Dirty or failed transfer belt drive motor encoder disk sensor assembly.

Clean the transfer belt drive motor encoder disk and sensors. Replace the assembly (p/n 65AA -909 1E) as necessary.

4. Failed M18 transfer belt drive motor.

Replace M18 transfer belt drive motor (p/n 26WA 8001 3).

Jan 18, 2011 | Office Equipment & Supplies

1 Answer

1) Stabilizing image controller not run 2) 0200

C0200 code is Transfer/Seperation code.

Below the drum is assy. that houses two very fine gold plated wires that do two things since the paper goes between these two wires and the drum the first is transfers the image on to the paper from the drum, the second one prevent the paper from sticking to the drum. One is or both are bad, BROKEN? Remove the assy. and replace both. They are very fine and fragile do not lose the springs. If that does not work you might have bad ends on the assy. after a while the plastic breakdowns and allow the voltage to go to ground. The wire carry around 2000 volts during the copy process. None during power off :) Open close the front door resets the cod

Stablizing Image Controller the EP5000 is not a Digital machine does not have image control board.

Oct 27, 2010 | Minolta EP4000/5000 CS/PRO Copier

1 Answer


E067 High voltage-related error

0100 The measured current of the primary
transfer ATVC is abnormal twice in
Check on the primary transfer roller spring, Clean
the position where the primary transfer roller
contacts, Replace the primary transfer roller,
Replace the drum unit Check a value
replace the drum unit if the value is near 100
because the drum may have reached its life
0110 The measured voltage of the primary
transfer ATVC is abnormal twice in
Turn OFF and back ON the main power

Jun 07, 2010 | Canon iRC3100 Printer

1 Answer

Showing code p-27

2nd Image Transfer ATVC failure
An abnormal average value is detected during an adjustment of the second image transfer ATVC value.

Reset your Toners and Imaging units for Minolta Bizhub and CF series.

Sep 03, 2009 | Konica Minolta Office Equipment & Supplies

3 Answers

Minolta EP 2050 copier

C0200: PC Drum Charge, Image Transfer/Paper Separator Coronas Malfunction.
Most probably a broken corona wire. It can also be caused by dirty coronas wich can be washed with water and soap and dry them well. If the problem persistes must look for the conections and HV1, wich suplies the coronas. GOOD LUCK.

Oct 31, 2008 | Minolta EP4000/5000 CS/PRO Copier

2 Answers

Bizhub C451

It could be a couple of things with the toner, magenta drum might not be taking the toner off, or the transfer belt. The best thing to do is get a hold of the Konica/Minolta Rep in your area.

Jun 27, 2008 | Office Equipment & Supplies

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