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  1. #1
    Senior Tech 100+ Posts
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    color registration

    dear friends,today I visited a machine.that is bh c308 having color mis registration about one inch differance for each color.
    but back ground some black lines thought the paper.
    i cleaned idc sensors,checked harness.
    checked ph unit ribbon cables.but no change.

    I attached sample.

    plz give me some solution .
    Attached Images Attached Images

  2. #2
    Senior Tech 100+ Posts
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    Re: color registration

    plz try to give solution

  3. #3
    Service Manager 10,000+ Posts
    color registration

    Phil B.'s Avatar
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    Re: color registration

    Quote Originally Posted by jackson007 View Post
    dear friends,today I visited a machine.that is bh c308 having color mis registration about one inch differance for each color.
    but back ground some black lines thought the paper.
    i cleaned idc sensors,checked harness.
    checked ph unit ribbon cables.but no change.

    I attached sample.

    plz give me some solution .
    wow... you need to get the line issue straight before trying color registration.... all that mess is confusing the registration sensors.

    look at black drum/dev unit for the lines... maybe even a HVPS issue

  4. #4
    Trusted Tech 50+ Posts agudmove's Avatar
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    Re: color registration

    I have this exact problem, did you get a fix for this. C308 Registration Issue .jpg

  5. #5
    RTFM!! 5,000+ Posts allan's Avatar
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    Re: color registration

    Looks digital. I would inspect connectors and stuff on the boards and laser. Could be a unit.
    Whatever

  6. #6
    Senior Tech 100+ Posts inutelkamo's Avatar
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    Re: color registration

    Its too wide for color registration.

    Any warning codes on the panel?

    Check wires, flat cables, disconnect/reconnect if possible.
    I have one issue, with magenta sagging too wide from black, replacing the PH solve the problem.

  7. #7
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    Re: color registration

    Quote Originally Posted by jackson007 View Post
    dear friends,today I visited a machine.that is bh c308 having color mis registration about one inch differance for each color.
    but back ground some black lines thought the paper.
    i cleaned idc sensors,checked harness.
    checked ph unit ribbon cables.but no change.

    I attached sample.

    plz give me some solution .
    Dear ,
    Remove the PH unit from machine and opened it and remove the Polygon motor cover and cleaned the polygon motor with soft cloth And fix it back in the machine.
    Your problem will be solved.
    100% color registration

    Sent from my Redmi Y2 using Tapatalk

  8. #8
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    Re: color registration

    Quote Originally Posted by Phil B. View Post
    wow... you need to get the line issue straight before trying color registration.... all that mess is confusing the registration sensors.

    look at black drum/dev unit for the lines... maybe even a HVPS issue
    No,
    it is not related to those parts but the only problem of due to dusty PH unit polygon motor.
    Just cleaned that and thia problem got fixed.

    Sent from my Redmi Y2 using Tapatalk

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