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  1. #1
    Service Manager 2,500+ Posts
    MP C3000 Colour alignment issue

    sandmanmac's Avatar
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    MP C3000 Colour alignment issue

    I have one of these which fails the line position adjustment with a result of "5" (when checking SP2-194-010 thru 012)
    After doing some cleaning of the ID sensor, re-seating PCU's etc., The reading is now consistently "3", which seems to point to either the ID sensor assy or BICU.
    Machine only has about 100k combined (40k colour and 60K Black)
    I just installed a magenta PCU last week. I noticed the colour registration was off slightly, but it was perfect after running the line adjustment.
    Since it's sort of coincidental timing, I wondered if there was any chance the 2 could be related?
    It's not logging any SC codes
    Any other suggestions for me to look at when I get back to the customer or should one of the above likely resolve it?

    I've attached a copy of a test page in case it helps.
    Aiton's Sample.pdf

    Thanks!
    Last edited by sandmanmac; 01-30-2014 at 01:02 AM.

  2. #2
    Not a service manager 2,500+ Posts Iowatech's Avatar
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    Re: MP C3000 Colour alignment issue

    I don't know how much help this will be, but what does SP3-012 say? I don't think I've had a color misalignment problem on this machine yet, but on the machines I have had that problem I've found the process control result handy. I haven't found it yet, but usually there is a table somewhere in the manual that gives a detailed description of what the failure is.
    Sorry if that was a waste of time.

  3. #3
    Retired 10,000+ Posts
    MP C3000 Colour alignment issue

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    Re: MP C3000 Colour alignment issue

    Make sure to do the rough allignment 2111-003 and then 2111-1. If you are, the allignment may be far enough off that forced line position is not able to correct it. You might first have to do some manual rough adjustments to get it close.

  4. #4
    Field Supervisor 500+ Posts Zaxxon's Avatar
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    Re: MP C3000 Colour alignment issue

    Check lifetime for pcu and developer, replace all with remaining day =0

  5. #5
    Field Supervisor 1,000+ Posts Eric1968's Avatar
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    Re: MP C3000 Colour alignment issue

    Last year I talked to a Ricoh engineer and he told me to reset all process control data before process control and line adjustment are done. Then machine will start process control with the default values, instead of the previous values. This method will help to maintain good density and registration. The procedure is as follows :

    ACC Recall SP5-610-4
    ACC Recall SP1-101-1 in Printer SP
    Process Control SP3-011-1
    Process Control Result SP3-012 -> 11111111
    Line Adjustment C SP2-111-3
    Line Adjustmnet A SP2-111-1 Execute twice
    Printer Test Page SP1-103-2 in Printer SP

  6. #6
    Service Manager 2,500+ Posts
    MP C3000 Colour alignment issue

    sandmanmac's Avatar
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    Re: MP C3000 Colour alignment issue

    Quote Originally Posted by Eric1968 View Post
    Last year I talked to a Ricoh engineer and he told me to reset all process control data before process control and line adjustment are done. Then machine will start process control with the default values, instead of the previous values. This method will help to maintain good density and registration. The procedure is as follows :

    ACC Recall SP5-610-4
    ACC Recall SP1-101-1 in Printer SP
    Process Control SP3-011-1
    Process Control Result SP3-012 -> 11111111
    Line Adjustment C SP2-111-3
    Line Adjustmnet A SP2-111-1 Execute twice
    Printer Test Page SP1-103-2 in Printer SP
    Interesting. Thanks for this. I'll start doing those.
    I'm going to the customer on Friday, so I'll Update my progress.
    Just wondering about these SP's. Is there any indication that the 'ACC recalls' can actually resolve the issue of failed Line adjustments that I'm having? or is it mostly in order to maintain them?

  7. #7
    Field Supervisor 500+ Posts Counsel's Avatar
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    Re: MP C3000 Colour alignment issue

    First question would be why did magenta get replaced was it due for pm? If so the other colors should be due as well, I have only seen a couple of things on these models that throw off aligment a bad pcu, transfer belt, or nvram. usually its the pcu especially if you see only one color misaligned from the rest, i usually take the pcu out and try to turn it by hand and compare it to one of the other drums i usually find its very hard to rotate which drags and throws it off. Only once did i have nvram cause it but you could adjust and it was fine that day until they turned the machine off for the night when rebooted it was off again, if machine cant correct the alignment using the sps then its probably mechanical such as a stuck drum or poor transfer deck.

  8. #8
    Field Supervisor 1,000+ Posts Eric1968's Avatar
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    Re: MP C3000 Colour alignment issue

    Quote Originally Posted by sandmanmac View Post
    Interesting. Thanks for this. I'll start doing those.
    I'm going to the customer on Friday, so I'll Update my progress.
    Just wondering about these SP's. Is there any indication that the 'ACC recalls' can actually resolve the issue of failed Line adjustments that I'm having? or is it mostly in order to maintain them?
    Since I follow this procedure I have very little problems with line adjustment. Of course these SP's can't correct a major deviation, but on the long run it prevents line adjustment errors en process control problems. The Ricoh tech also didn't knew exactly what settings are reset with ACC Recall They got the instructions from Japan.

  9. #9
    Service Manager 2,500+ Posts
    MP C3000 Colour alignment issue

    sandmanmac's Avatar
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    Re: MP C3000 Colour alignment issue

    Quote Originally Posted by Eric1968 View Post
    Since I follow this procedure I have very little problems with line adjustment. Of course these SP's can't correct a major deviation, but on the long run it prevents line adjustment errors en process control problems. The Ricoh tech also didn't knew exactly what settings are reset with ACC Recall They got the instructions from Japan.
    AMAZING!
    Prepared for the worst, I went to my customer today, armed with spare PCU's , transfer belt and ID sensor assy's, and a replacement BICU, but I didn't need any of that!
    I tried simply doing the Line position adjustment again and it failed, then I ran the series of SP's you provided above, and the line adjustment was successful, and the image quality is perfect again. (Hopefully it holds).

    I can't thank you enough for that info, Eric!

    Incidentally, the process control result was always successful.

    Thanks for everyone's input. My beer will taste a little better this weekend.
    (GO BRONCOS!)
    Last edited by sandmanmac; 01-31-2014 at 10:52 PM.

  10. #10
    Field Supervisor 1,000+ Posts Eric1968's Avatar
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    Re: MP C3000 Colour alignment issue

    Quote Originally Posted by sandmanmac View Post
    AMAZING!
    Prepared for the worst, I went to my customer today, armed with spare PCU's , transfer belt and ID sensor assy's, and a replacement BICU, but I didn't need any of that!
    I tried simply doing the Line position adjustment again and it failed, then I ran the series of SP's you provided above, and the line adjustment was successful, and the image quality is perfect again. (Hopefully it holds).

    I can't thank you enough for that info, Eric!

    Incidentally, the process control result was always successful.

    Thanks for everyone's input. My beer will taste a little better this weekend.
    (GO BRONCOS!)
    Thanks for the kind words!

    The frustrating part of this, is that apparantly no Ricoh-dealers know this important information. I've talked to several dealers here and no one knew anything about this... I also couldn't find it in the Tier-database.
    I've also spent many hours changing PCU's, Transfer Belts, ID-sensors, boards, etc...

    Anyway, glad that you solved it!

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