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Canon Lasershot LBP5000 colour registration problem. CM&Y OK but Black offset by nearly 6mm to the right. A new set of OEM cartridges has been fitted and calibration forced many times all with the same result. The HP2600 allows a reset from the front panel which has successfully cleared this problem on several printers - but - how to do the same on the Canon. Help please

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  • lloyd909 Feb 12, 2009

    These printers have only one button/switch and that is the power switch so there is not possibility of button combinations to effect a reset to defaults. There may be a reset button on the engine controller board or the formatter I havent't had the covers off the printer yet . Looking for an easy fix if there is one.

  • lloyd909 Feb 14, 2009

    The problem is the timing of the black laser scanner. The other three scanners are aligned but the black is outside the auto calibration range. It has nothing to do with machine cleanliness.The scanners need to be reset to the default starting position and I dont have a service manual for the machine. I am quite capable of stripping the machine down to its frame and reassembling it - having done this to a couple of hp 2600printers (same as the LBP5000). Has anyone out there got a service manual for this machine???

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Hi and welcome to FixYa,

I have to agree, a Service Manual would provide you with the alignment.calibration procedures. Since the Canon LPB500 is a rebranded HP LaserJet 2600N as you posted, the service manual of one would work for the other. Pls click here for a copy of the SM for the 2600N. Download all 4 files and decompress.

Good luck and thank you for using FixYa.

Posted on Feb 14, 2009

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Many of these errors are the result of a failing clear acetate strip that passes through the ink carriage. The clear strip has marks on it that allow the carriage to find the margins as well as alignment. If it has been stretched, or the screws holding down this mount on each side are loose the tension on the tape may be off enough to keep the alignment correct. I'd check that first, the tape for tension. It should feel taught when pressed lightly with a finger. Then check the mount and hold down.

To do a full reset on Canons, unplug and allow it the internal capacitors to discharge and then reattach power. Now, press power Cancel and OK and turn the printer on while holding those buttons down until the lights blink and the printer shuts off. That will reset most everything.

Lastly, there may be one or more button batteries on a board inside the case of your printer that retain things like settings when power is off. It may take a bit of doing but find those, even if you need to remove a side of the case. However, I've found in most cases you can find these batteries by looking inside the compartment with a mag lite, but be carefull handling the batteries. They slip out of fingers really easy. If you do find some, remove them, remove power to the printer and leave all off and out for ten minutes and in this state Press the On button and hold it down to discharge all power on the boards. Then, reinsert the batteries, reattach the power and start up.

Run the alignment test and if the problem repeats you have a bad acetate tape and carriage. If this is the case, replace the printer. Cost to repair is equal to a newer better printer from Epson.

Regards,
Worldvet

Posted on Feb 12, 2009

  • 2 more comments 
  • Glenn Rogers
    Glenn Rogers Feb 14, 2009

    This is a resolvable problem but I believe you are going to have a part replaced, not necessarily an expensive part, but it also may just need to be cleaned up inside correctly.

    Laser printers are notorious for collecting toner dust everywhere. Lasers use static to attract the toner powder to the paper which then passes under a tungsten wire element that heats up and melts the toner into the paper.

    The carriage that processes black by charging the paper is not starting from the correct "Home" position. The home position can be triggered often by a simple switch telling the carriage it is at column 0; this switch can be cam actuated and a tooth in the device can get worn down causing the carriage to slip one tooth over, about 4-6mm.

    Since your color is good and only the black is bad, this printer will have to have its covers removed, have the insides thoroughly vacuumed and then blown clean after wiping down with a natural fiber brush (similar to food grade basting brush). After this, an inspection of the mechanical method used to tell the black charger what the starting position is is malfunctioning needs to be made. As previously stated, this is a mechanical device, a switch perhaps, other times a cam actuated lever. That is what needs to be examined. It almost reminds me of some of the old Xerox copiers when plastic gears were first introduced. A tooth becomes worn down and the carriage moves an extra notch. This would just about equal 4-6mm in distance.

    This is what I would do and look for if you came to my shop with your printer. It takes a trained and experienced technician to remove the casing, clean correctly and troubleshoot mechanical issues.

    More often than not, a 50 dollar part can be had for 20 dollars when buying a used model of the same printer off Ebay that's selling for parts only; a simple question to the seller discovers if the part needed is good or not.

    Sorry I didn't see this from this angle until this evening when working another problem. That prompted me to come back here and comment further.

    Worldvet


  • Glenn Rogers
    Glenn Rogers Feb 14, 2009

    I would suggest you clean and then inspect the black scanner path and the home position. There are various methods used to instruct the scanner where the margins are set.

    I went to IBM Selectric and Xerox school in the 80s. This issue is sounding classic. As you are capable of stripping this down I would do so, the problem should jump out at you upon an inspection of the travel path and park position. Common problems were always worn bearing sleeves and slop from wear and tear.

    Sorry to put you on the defensive. I don't know you and this is only text messaging. We never try to patronize anyone, we have know way of knowing your experience and talent. Sorry if that offended you in any way. We do assume people who use FixYa are do it yours elfers and Mr. Fix Its.

    I'd strip that printer down, clean it out and look it over very carefully. Since you have done this in the past, go for it and trust your intuition. We do not have a trick for you to solve this.

    Most manual searches are going to bring up pay to play web sites. You can try Ebay where photocopies of manuals are sold all the time for a fair price.

    You could also try fixyourownprinter dot com and post there too, it is a popular web site for printer techs.

    Regards.


  • Dichtl Aug 23, 2013

    "failing clear acetate strip that passes through the ink carriage"

  • Dichtl Aug 23, 2013

    "failing clear acetate strip that passes through the ink carriage": Which acatate strip do you mean? In side the printer, or at the toner cartrige? Do you mean the 2 acrylic glass brackets on the toner-cartrige? Please help: The black colour of my LBP5000 ist misaligned 5mm to the left. I cant find easy solution in the internet. I cleaned the Printer inside with compessed air - no solution.

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The process generally involves disconnecting the network cable from your printer, and holding and pressing buttons in a certain combination, usually involving the power button and a cancel button, to reset the factory settings and return the printer to its default mode.

Posted on Feb 12, 2009

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You can boost Canon Lasershot LBP-5000 color laser printer by adding another paper tray beneath, and/or an Ethernet card to work with its USB 2.0 connection in perking up its network functionality. With this add on, you can comfortably print large amounts of work without having to stop and replace new printing sheets.
At its face are eight LEDs of a control panel to show where low toner, paper, paper jam and power alerts. Having no LCD display, the printer driver controls the vivid error alerts. The driver alerts should be enough to give you a hint on what the error could be.
To run it, start off by pulling the front cover open and putting in the four drum and toner cartridges. Match the color-coded strips on each of the cartridges with those on the slots. Close the front cover to put the drum covers back to a position where they could touch the paper as it glides through.
It allows for many pages a sheet, watermarks and various color settings for different files. Opt to put a binding margin on the left and top of the pages, though, because it can neither print in duplex nor facilitate manual duplexing.

Posted on Feb 14, 2009

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  • 237 Answers

Have you replaced the color registration already?

Posted on Feb 12, 2009

  • John Cole
    John Cole Feb 12, 2009

    Ive seen a number of canons have an issue with the acutal color registration. Its a strip inside the printer that tells what colors to produce if that is damaged or need of cleaning it could give the errors.

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posted by Halfwalkeer on Nov 13, 2007 Report abuse

Just replaced the color toner cartridges in the c5100N, two OKI (cyan and yellow) and one non-OKI (magenta). Now it appears that registration is completely off.

When printing an image, there is a band of yellow at the top about 6mm high, and a band of purple (not cyan) at the bottom about 6mm high. It seems that the yellow printing LED array is printing offset. I've verified this with a typical test page that shows yellow blipped up by several mm.

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Comment by Halfwalkeer, posted on Jan 02, 2008 Drums are all at 34%. Please don't tell me that the drums only have a 50% lifetime on them, because that would just suck royally. When you say the problem is most likely drums, in what way ? What could have gone wrong ?

I was able to more or less fix the problem ... It took several iterations of ColorMenu->Adjust Registration followed by Maintenence Menu->Menu Reset, but it was finally able to pull the registration back into line.

I got worried at one point - after it was "fixed" the printer was powered off. Upon powerup again, registration was off by several centimeters ! Another round of the above finally "fixed" it again, but I haven't powered it down again.

It was a cheap printer. Maybe this is why ...
postsolution.gif Post Solution addwq.gif Work Queue sameproblem.gif Have the same problem? X This Problem has been added to the Share Your Expertise Page under "My Work Queue". OK Solution #1 posted on Jan 02, 2008 0%20stars.png
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Rating: 86%, 674 votes

What is the stats % of drums if low under 50% change them, soon as you add non Gen you throw a spanner in any attempt to fault find, fix is possible toner more than likely drum/drums, do a print of each colour and change drums as indicated by failure in its colour to print, check transport belt is OK and led heads are clean
Comment by Soulvisitor, posted on Jan 02, 2008 I was thinking about the band of yellow being caused by cleaning blade wearing on drum, drums are garenteed by oki if over 50 %, under that one is on their own ie purchase new if having problems with them

If you can fix problem doing colour calibration then faulty drum is not likely the issue.

Cant stress how many problems are caused by non gen consumables in machines, highly dont recommend their use.

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