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  1. Replies
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    Dirty background

    Don't know if you got it fixed yet.
    If you haven't....from the manual:-

    Gray background 1. Do not use media that has already been run through the printer.2. Try using a different type of media.3....
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    "Tray 2 open" LJ4100

    Printer displays "Tray 2 Open" message.
    Did the obvious...reseat tray 2, power cycled printer.
    Discovered that the Op Panel was locked with this message.
    Buttons did nothing.
    Finally after...
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    MFT is also failing. This printer came...

    MFT is also failing.
    This printer came refurbished from a vendor.
    We sent it back and received a replacement that works.
    Thanks for responding.
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    cp5225 duplexing

    I've got a cp5225 that I'm working on. When duplexing the paper comes out the top with page 2 printed. Paper gets pulled in to print the odd numbered page. Sometimes the page comes out of the printer...
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    reseat the xfer roller

    reseat the xfer roller
  6. Thread: M750 no yellow

    by redcow
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    2,133

    M750 no yellow

    A buddy of mine is troubleshooting an Enterprise M750. Starts printing good. After a few pages the yellow drops and all yellow printing is now white in appearance.
    Here are the parts that have been...
  7. Thread: Grinding Noise.

    by redcow
    Replies
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    5,559

    When working for HP, they would ship gear (that...

    When working for HP, they would ship gear (that is labeled "4") with every p3005 fuser.
    That gear and the fuser cleared up all grinding noises.
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    Thanks for responding to the question. If you...

    Thanks for responding to the question.
    If you got it fixed, what did it?
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    Appears like the registration assembly has to be...

    Appears like the registration assembly has to be replaced
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    Obviously, it's the new "swing plate". Put the...

    Obviously, it's the new "swing plate". Put the old one back in, and see if the heavy toner goes away!!!


    Start with the EASY...xfer roller
    Next....DC Controller
    Next....Hi Voltage which brings...
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    CS__Steve, I don't remember if I tried printing...

    CS__Steve, I don't remember if I tried printing with the duplexer out. I did try printing with the back door open, and it still failed.
    When I get a printer like this, It begins to get more...
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    Al, The rollers were changed. The problem...

    Al,

    The rollers were changed. The problem didn't...
    Today I replaced the printer.
    Now it works!!
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    LJ4200 paper jams

    LJ4200dtn, intermittent paper jams. Sometimes the paper is accordion folded as it jams exiting the fuser, other times the page makes it out the delivery assembly 1/2 way.I've replaced the fuser,...
  14. Thread: Hp9050

    by redcow
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    13,237

    Go with the xfer roller

    Go with the xfer roller
  15. Thread: cp6015x

    by redcow
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    5,100

    Customer finally called back. They had another...

    Customer finally called back. They had another broke CP6015x in storage. They took the DIMM out of that one
    and installed it in the one I was working on. The DIMM fixed the problem.
    They saved...
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    Firmware error

    Firmware error
  17. Thread: cp6015x

    by redcow
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    5,100

    Thanks Al, Because it's a billable call I'm...

    Thanks Al, Because it's a billable call I'm waiting for the customer to decide if he wants me to order the DIMM. It is the cheapest part that I can replace.
    Remember the engine test doesn't work...
  18. Thread: cp6015x

    by redcow
    Replies
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    5,100

    cp6015x

    Looked at a cp6015x today. Powered on, the display is illuminated, the fans are doing what fans do, the motors are humming and turning.
    All good so far. However, there is never any text on the...
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    Change the feed roller and the pickup rollers....

    Change the feed roller and the pickup rollers. Pull out the tray and look inside and up you will see 4 pickup rollers(RB1-8865-000CN)
    and 1 feed roller(RF5-2490-000CN).
    Replace them.
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    Personally I would head towards the fuser. ...

    Personally I would head towards the fuser.
    What's the Event Log say?
    Have you tried printing from the MFT? If that works, then go with the rollers.
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    http://h20000.www2.hp.com/bizsupport/TechSupport/S...

    http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareIndex.jsp?lang=en&cc=us&prodNameId=306507&prodTypeId=18972&prodSeriesId=306505&swLang=8&taskId=135&swEnvOID=228
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    Well, you have a formatter on one end and the PC...

    Well, you have a formatter on one end and the PC on the other end.
    Plug another printer into the parallel cable and see what happens. Or plug your
    printer into another PCs parallel port to see...
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    Check the DC Controller, or Power supply. Check...

    Check the DC Controller, or Power supply. Check Theory of Operation in the manual. There is a good block diagram to work with.
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    Don't forget the DC Controller, it has its'...

    Don't forget the DC Controller, it has its' fingers in almost everything.
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    Start simple, reload the drivers, next try...

    Start simple, reload the drivers, next try firmware.
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