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  1. #1
    Senior Tech 250+ Posts tufbnme's Avatar
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    Ricoh MP6002 Light prints/copies

    Keeps going light. Performed all adjustments per service bulletin, replaced DV unit and DV.
    Any suggestions?

  2. #2
    Trusted Tech 50+ Posts Boltaction's Avatar
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    Re: Ricoh MP6002 Light prints/copies

    I've had an MP6002 go light on me 60k after a developer unit and material replacement with 180k total on the machine and it ended up being my drum.

    Otherwise, I have problems with Ricoh B/W's going light, just a matter of getting 50k, 100k or 200k before they do.

  3. #3
    Senior Tech 250+ Posts tufbnme's Avatar
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    Re: Ricoh MP6002 Light prints/copies

    Drum has been replaced as well, using all OEM parts and supplies.

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    Retired 5,000+ Posts slimslob's Avatar
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    Re: Ricoh MP6002 Light prints/copies

    Replace the ID sensor. Someone in the past has cleaned if with alcohol which clouds the surface of the lens.

  5. #5
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    Re: Ricoh MP6002 Light prints/copies

    Quote Originally Posted by slimslob View Post
    Replace the ID sensor. Someone in the past has cleaned if with alcohol which clouds the surface of the lens.



    Good evening from Mexico.The illogical thing is that it also happens in new equipment.Question, when the impression is very pale, why does not it show that the toner level is low? Even the equipment is turned off and on?
    Good evening from Mexico.The illogical thing is that it also happens in new equipment.Question, when the impression is very pale, why does not it show that the toner level is low? Even the equipment is turned off and on?

  6. #6
    Retired 5,000+ Posts slimslob's Avatar
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    Re: Ricoh MP6002 Light prints/copies

    Quote Originally Posted by cibergoose View Post
    Good evening from Mexico.The illogical thing is that it also happens in new equipment.Question, when the impression is very pale, why does not it show that the toner level is low? Even the equipment is turned off and on?
    Good evening from Mexico.The illogical thing is that it also happens in new equipment.Question, when the impression is very pale, why does not it show that the toner level is low? Even the equipment is turned off and on?
    Simple, because the toner level is not low.

  7. #7
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    Re: Ricoh MP6002 Light prints/copies

    Try running SP3-001-002 ID sensor initialization. After that runs, check the ID sensor voltages. VSG should be 4.0V and VSP should be about 1/10 that (maybe 0.4V or close). These are SP3-003 1 & 2 respectively. If you see a 5.0V or 0V on any of those replace the ID sensor. If this machine is low volume try running SP2-962 forced process control. Then check copy quality and ID sensor again. Don't force tone the machine you will wind up with a mess. Let process control tone itself up. Also check drum conditions VL. SP3-902-008. This should be under +300. Make sure the developer unit filter is clean. If it clogs up pressure builds up in the dev unit and holds back toner during copying and that will not show low toner, just light copies.

  8. #8
    Retired 5,000+ Posts slimslob's Avatar
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    Re: Ricoh MP6002 Light prints/copies

    Quote Originally Posted by Oldmantech View Post
    Try running SP3-001-002 ID sensor initialization. After that runs, check the ID sensor voltages. VSG should be 4.0V and VSP should be about 1/10 that (maybe 0.4V or close). These are SP3-003 1 & 2 respectively. If you see a 5.0V or 0V on any of those replace the ID sensor. If this machine is low volume try running SP2-962 forced process control. Then check copy quality and ID sensor again. Don't force tone the machine you will wind up with a mess. Let process control tone itself up. Also check drum conditions VL. SP3-902-008. This should be under +300. Make sure the developer unit filter is clean. If it clogs up pressure builds up in the dev unit and holds back toner during copying and that will not show low toner, just light copies.
    Waste of time if the sensor needs to be replaced.

  9. #9
    grumpy old git 500+ Posts banginbishop's Avatar
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    Re: Ricoh MP6002 Light prints/copies

    Taken from Ricoh training on process control
    Attached Images Attached Images

  10. #10
    Trusted Tech 50+ Posts Boltaction's Avatar
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    Re: Ricoh MP6002 Light prints/copies

    Quote Originally Posted by slimslob View Post
    Waste of time if the sensor needs to be replaced.
    What's worse; a waste of time or a waste of time and money? Checking voltages before replacing the part is never a bad idea.

    But I will say that replacing the ID sensor is more cost-effective than replacing the drum, provided that running SP3-001-002 and checking values points you in that direction.

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