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  1. Re: HP color laser jet enterprise CP 4525 error 59.F0 ITB unit ok?

    I've had several 4525's give this error. In each case it was caused by the fuser drive assembly. There's a pad on one of the solenoids (to reduce noise) but the pads deteriorate over time and get...
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    [Error Code] HP 4730 49.4C04 Error

    I'm servicing a CLJ4730 with a weird problem. When scanning to email it gives a 49.4C04 error. Sometimes the error occurs before I finish entering the email address.
    Printing over the network,...
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    Re: HP 4730 Cyan Print Defect

    Problem solved. Bad cyan cartridge. So much for user's claim that the previous cartridge "had the same problem".
    More on this later.
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    Re: HP 4730 Cyan Print Defect

    Thanks! So, these solenoids are inside the ETB? If so, then this is not likely the cause since I installed a brand new ETB and that didn't affect the problem. So I re-installed the old ETB.
    I am...
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    Re: HP 4730 Cyan Print Defect

    All print quality pages were perfect, except for the cyan page, so only cyan was posted.
    I saw this same problem a few years ago on a HP CLJ 4005 (which uses the same print engine). Only cyan was...
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    Re: HP 4730 Cyan Print Defect

    Based on the quality pages and looking at the block diagrams in the manual I'm thinking it could be a noisy HVPS. The contacts on the cartridges and the printer have been cleaned, but that made no...
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    Re: HP 4730 Cyan Print Defect

    The print quality pages were all perfect except for the cyan page (see photo).
    Also, the error log shows multiple 54.1E.xx errors (halftone calibration errors).
    Firmware was updated to version...
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    HP 4730 Cyan Print Defect

    I'm working on a HP 4730MFP (a 4700 with a scanner on it). The cyan drops out on the right side (see photo). So far the cyan cartridge has been (supplies are genuine HP) and the transfer belt has...
  9. Re: PDF's created in "File maker pro" on a mpc2050 = very slow printing.

    You could also try printing using a PostScript driver instead of a PCL driver, if there is one available for your printer.
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    Re: C5030 boot failure

    Thanks for the help. Indeed, it was a hard drive problem.

    cscce
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    C5030 boot failure

    I have a Canon c5030 that fails to boot. The progress bar appears but it never moves (stays stuck around 25%).
    Controller 1 and 2 have been verified good (tested in another copier).
    What could be...
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    [CQ] black splotches on prints

    I'm getting random black splotches on b& W prints and copies. See photo. Colors don't seem to be affected. What could be causing this? Contaminated 1st BTR? Replacing the drum had no effect.
    ...
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    [CQ] Re: intermittent color mis-registration

    The ITU has never been replaced. The page count on it is 109,000. Also, user says the problem has gradually become worse so it looks like the ITU is the problem.

    Thanks,
    cscce
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    [CQ] intermittent color mis-registration

    I have a customer whose Lexmark c780 has intermittent mis-registraion. (See attached sample.) What is the most likely cause? I haven't found anything in the service manual so far.

    Many thanks!
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    [Misc] Oce Colorwave 600/650

    I have read rnelson's post about problems with Oce 600 and 650. I'm looking for more opinions so I can give management as much info as possible about reliability, parts availability, etc.
    I know...
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    Colorwave 600, 650; also TC4 scanners

    We are considering a proposal to service Oce' Colorwave 600 and 650 printers along with TC4 scanners.
    How are these machines in terms of reliability, access to repair parts and service manuals, etc?...
  17. Thread: SP5210 SP Mode

    by cscce
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    Re: SP5210 SP Mode

    Thank you very much to all who responded. The 107 key sequence worked, but only after I replaced the HDD. With a dead drive or no drive at all I could not get to SP mode.

    Now I have another...
  18. Thread: SP5210 SP Mode

    by cscce
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    SP5210 SP Mode

    I have a SP 5210 that needs a hard drive replaced. I haven't been able to find the key sequence to get into SP mode. Reset>806182>C doesn't work nor does the old "107" code.
    Any ideas?

    Thanks in...
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    [Electrical] Re: CLJ CP4525 formattor battery

    The 4525 formatters I've seen all have the battery connectors spot welded to the battery. Suggest you pull the cmos battery holder off an old PC motherboard.
  20. Thread: HP CLJ 4600

    by cscce
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    Re: HP CLJ 4600

    Have you reset the lasers to "home" position? If not, try this - it worked for me on a 4700.
    Laser re-alignment procedure is as follows:


    Let machine warm up and indicate ready
    Open upper...
  21. Thread: 59.F0 Error code

    by cscce
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    [Error Code] 59.F0 Error code

    I had a HP CP4525 printer that was giving a 59.F0 error at every boot up, making the printer unusable. The cause turned out to be a failed DC Controller.
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    [Misc] Re: Toner Dispenser Pipe Removal

    I figured it out. It's a single unit that handles all 4 colors rather than one unit for black and a second one for CMY.
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    [Misc] Re: Toner Dispenser Pipe Removal

    So, am I correct: the toner pipe is held in by two screws at the front and mounted on two alignment pins at the rear?

    Thanks,
    Mike
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    [Misc] Re: Toner Dispenser Pipe Removal

    Thanks for replying.
    In this case, with the toner cartridge removed and interlocks cheated: starting to print a supplies list I can see that each time the click is heard a puff of toner comes out of...
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    [Misc] Re: Toner Dispenser Pipe Removal

    Thanks for the tip.

    Mike
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