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Putting in a new drum/ APVC Correction

I am putting in a new drum and the instructions say to execute an APVC correction. How do I get into the Copier function menu to do this?

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  • JAYESQ Feb 08, 2008

    It is a Canon IR 2800. I did breakdown and purchase a service manual for it. I think that I got it done correctly. Thanks for the response.


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What kind of copier is it? Is it a Canon? It sounds like it is, what model is it? There are diffent ways to get in to service mode. Basicly, the APVC put a charge on the drum to level it out, to off set the surface of the opc drum, to offset any ambent temputures the drum was exposed too. You can also run a sky shoot and then do your adjustment.

Posted on Feb 08, 2008

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Error c2814

The proper value cannot be figured out within the specified time by the correction of the patch density correction /K. Or, the proper value of the developing DC output is 0 or lower.

Associated Parts:
• Printer control board
• Developing unit /K
• IDC sensor (IDCS)
• IDC shutter solenoid

Remove the black (K) Drum. behind and toward the front is a silver/chrome looking thin bar with a tine square that square is a sensor clean it or replace the drum (switch different color see if changes codes) or switch out sensor with a different one each drum has one when was the last developer was replaced for black getting close to a PM???

Jul 12, 2015 | Konica Minolta Bizhub Press C6000 Copier

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Change drum

If copier is saying to replace it. Will need to by a photoconductor unit then open right side door then open front door pull toner assy out ward and on photo unit front bottom press on latch each side and pull it out to remove it. There might be instruction after putting new one in to run a initialize code

Jan 23, 2014 | Ricoh Aficio MP 1600 Black and White...

3 Answers

My Sharp Copier Model AR-M160 showing f2 error even I replace the new tonner.

Below are the F2 errors and causes for Sharp AR-M160

"F2-31" Image density sensor fault
"F2-32" Drum mark sensor fault
"F2-33" Grid voltage correction problem
"F2-35" Grid voltage correction problem
"F2-37" Drum mark sensor fault

Cause : CRUM chip defect OR Improper developing unit
Check and remedy : As you have already replaced the tonner, we can suggest Replace the CRUM chip,Replace the developing unit


Jun 01, 2011 | Sharp AR-M160 Laser Printer

1 Answer

I have a canon imagerunner c3200, I recieved an error message 2004b0, which after lookin at the website found it was the black drum so I changed it out. Then I recieved the error messege 2003b0 which I am...

Hi Lil,
You have been absolutely correct in every way. The problem is that the 3200 you are dealing with has an internal counter for the Cyan drum that can only (according to all documentation I can find and as I was told in class) be reset by the chip that resides on the drum that needs to be replaced. Better put,whenever a new drum is put in,a chip within the drum resets a counter on the copier.The copier monitors the usage of the drum from that point forward using a few variables.And even though you may not see a problem the device will at some point give a code such as yours which means end of life, Canon's words not mine. This is to protect the copier from undue stress that could lead to genuine damage.So by putting a functional drum from one machine into another will not "change" the copier's mind. I searched thru the service modes and there is no true way to reset/fake that counter out as it needs a new drum chip to reset it it. There is a drastic way to do it I suppose which is a main controller reset, But that is more involved that many techs want to deal with, as it is pretty involved as to putting all the factory values(different for every machine) back in and all network settings etc.... .I wish I could have helped more, but I feel I have helped a bit.At least if you need a tech you will be even MORE intelligent than you already are. NOTE* we are assuming that none of the MANY others things that can simulate drum failure are not in play. Take care :-)

Jan 15, 2011 | Canon imageRUNNER C3200 Copier

2 Answers

I have an Oki ES3640 Pro, the problem is that there's an error message on the front display saying "Replace waste toner box, waste toner full" but it isn't full, I put a new one in last week!...

1. Turn machine on while pushing and holding the TWO up/down menu buttons at same time.
2. Menu window will show "OKI USER"
3. Scroll to " Engine Dialog Mode" is indicated. Push Enter button.
4. "Diagnostic Mode xx.xx.xx S-Mode is indicated.
5. Scroll to "NV-Ram initial" is indicated. Push ENTER.
6. Window shows "NV-Ram- Initial Table 1".
7. Push ONLINE and ENTER Buttons simultaneously and HOLD for 10 seconds after you see "Executing Reset" appear in menu window.
8. Restart printer.

All toner, drum, fuser and transfer figures return to 100%.

Jan 14, 2011 | OKI ES3640ex Color Copier

1 Answer

Panel shows error code Cof24

(Automatic Image density Correction) basicly this sensor looks at the drum and determines thew drums ability to hold toner and image. The sensor could have toner spilled on it or the drum needs to be replaced or the senor has gone bad

May 29, 2009 | Minolta EP1030/1030F CS/PRO Copier

1 Answer

Canon ImageRUNNER 300S - Replace Drum

All you have to do is have a phillips screwdriver and remove the screw that secures the drum to the copier. Before removing the screw you need to release the developer unit out of the way. Just perform the same procedure as if you were going to put new toner into the copier but you don't have to pull out the developer unit. Then just to left is the drum unit and at the top of it should be a black screw. It will be about an inch long. Then just pull out the drum and put in the new one after removing all the packing material. Be sure to not touch the round cylinder of the drum unit, that is the drum. Also, you may want to practice put in the old drum several times before putting in the new drum until you're sure you can put in the new one without damaging it. There is another thing that should be done but that is a technician thing and is probalbly beyound what you am7y want to deal with. It doesn't really ahve to be done but a tech should do if he replaces the drum for you. It most likely would not affect copy quality and will not hurt the drum if not done. Good Luck and be careful.

Oct 16, 2008 | Canon NP 6050 Copier

3 Answers


you must clean developer and drum section. after that you must put new developer and initialize it. After that place in correct toner.

Oct 15, 2008 | Ricoh Aficio 1027 All-In-One Laser Printer

1 Answer

F2 error

"F2-31" Image density sensor fault "F2-32" Drum mark sensor fault "F2-33" Grid voltage correction problem "F2-35" Grid voltage correction problem "F2-37" Drum mark sensor fault

Sep 03, 2008 | Sharp Office Equipment & Supplies

1 Answer

Changing the drum on a Canon NP-4050?

1- open front door
2-on the right side put lever down ( disengages developer to drum)
3- swing toner holder ( dispenser ) to the right
4- bring green lever down ( has two belts )
5-unscrew the gray screw and pull out the unit ( this is the drum UNIT)
6- replace and do all the steps backwards EXECPT
7- put a pencil or paper in a slot on the right to cheat the contact and turn on the machine
8-on the left side under the counter there is a small hole insert a paper clip to engage service mode
9-there are two numbers on the new drum.
10- go to primary and set the drum primary then go to the next number and insert that.
11- go to apvc and select that

it should rotate and stop ttake out cheater and make a copy

good luck

Nov 08, 2007 | Canon NP 6050 Copier

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