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  1. #1
    Field Supervisor 500+ Posts Desert Rat's Avatar
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    ES523 jams, E3c0, E5A0, E570




    I ran 25 pages without a jam before starting. Look in the jam log and
    the only code was E3C0. So I pulled the tandem supply feed head and
    cleaned and lubed and scuffed up the shafts and tested. It was jamming
    once every 25 pages. At this point it look as though the paper crashed
    in the duplex diverter gate. The code was E020 fuser exit. I replaced
    the upper roller and web. Checked out the fuser section. It showed wear
    but all the gears were meshed.
    Ran some more and it kept crashing into the gate. With code E5A0, did not
    reach exit sensor and indeed it crashed on the gate. Took the spring off
    the gate then ran 225 without a jam.
    On my way out the door, this guy comes up, puts two pages in the doc
    feeder. It jams out the side exit with a code of E570. And he was not
    doing a duplex job.
    I have cleaned the rollers in the paper path, checked to make sure there
    was even pressure on the fuser output rollers. I think I replaced the
    fuser exit sensor a couple of months ago. The last thing it did was jam
    with a sheet coming out of the side exit about 3". Code E570.
    And that was just after I had run 25 pages.

    I noticed that the side exit has it own drive motor, has anyone replaced
    it for jams? I have checked the sensors with the input test. They work.

    Thanks

    DR


  2. #2
    Master Of The Obvious 10,000+ Posts
    ES523 jams, E3c0, E5A0, E570

    blackcat4866's Avatar
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    Re: ES523 jams, E3c0, E5A0, E570

    Quote Originally Posted by Desert Rat View Post
    ... I ran 25 pages without a jam before starting. Look in the jam log and
    the only code was E3C0...
    E3C0 is almost always a worn registration sensor or flag. It can be intermittent typically at 2M images). New flag stands 15.25mm from the center of the shaft to the tip of the flag. Jamming occurs when flag is 14.5mm or less.

    Quote Originally Posted by Desert Rat View Post
    ... At this point it look as though the paper crashed
    in the duplex diverter gate. The code was E020 fuser exit. I replaced
    the upper roller and web. Checked out the fuser section. It showed wear
    but all the gears were meshed...
    E020 has various causes:

    Worn heat roller or dry web can be a cause.

    The exit upper idler rollers will tend to turn to dust after a while due to exposure to heat. The edges start to get jagged at first, then the center core breaks loose from the rim. Typically they're all in pretty bad shape by the time that you notice.

    A broken or dislocated claw can do it.

    I've seen E020s when one of your trays is doublefeeding, leaving two pages overlapped in the fuser. Often it has something to do with special media. Cleaning pickup, feed, sep, and vertical path rollers resolved this one for me, until they ran more of that paper.

    High humidity and the resulting paper curl.

    Broken fuser gears.

    Worn registration flag or defective sensor (hmmmm, where have I seen that before?).

    Inverter sensors and flags (sensors and flags in left door).

    Copying with the lid up, copying books, inadequate lead edge void (should be 3.5mm+).

    Quote Originally Posted by Desert Rat View Post
    ... Ran some more and it kept crashing into the gate. With code E5A0, did not
    reach exit sensor and indeed it crashed on the gate. Took the spring off
    the gate then ran 225 without a jam...

    E5A0: again lots of causes, many overlapping with E020:


    Exit sensor failure due to heat.

    Cracks and rough areas in the inverter gate (in right door, very hard to see).

    Copying with the lid up, copying books, inadequate lead edge void (should be 3.5mm+).

    Web motor does not run, for whatever reason. In my case a pin had backed out of the connector at last fuser rebuild. The heavy black cake of toner on the web is obvious. It can actually get 90K before the fuser becomes impassable.

    Heat roller.

    Quote Originally Posted by Desert Rat View Post
    ... On my way out the door, this guy comes up, puts two pages in the doc
    feeder. It jams out the side exit with a code of E570. And he was not
    doing a duplex job.
    I have cleaned the rollers in the paper path, checked to make sure there
    was even pressure on the fuser output rollers. I think I replaced the
    fuser exit sensor a couple of months ago. The last thing it did was jam
    with a sheet coming out of the side exit about 3". Code E570.
    And that was just after I had run 25 pages...
    E570:
    Inverter sensors and flags (sensors and flags in left door). (where have I seen that before?)

    Quote Originally Posted by Desert Rat View Post
    ... I noticed that the side exit has it own drive motor, has anyone replaced
    it for jams? I have checked the sensors with the input test. They work...
    Nope never.

    Based on what I've just read, I would order up (none of these are expensive and I've replaced plenty of them):
    registration flag and sensor
    inverter sensors and flags
    exit sensor

    Check:
    upper exit idler wheels
    excessive paper curl
    lead edge void
    inverter gate (disassembly necessary)

    I think that you probably would have identified broken or blunt claws, a web that hadn't been advancing, doublefeeds, or broken or skipping fuser gears.

    Does that help? =^..^=

    If you'd like a serious answer to your request:
    1) demonstrate that you've read the manual
    2) demonstrate that you made some attempt to fix it.
    3) if you're going to ask about jams include the jam code.
    4) if you're going to ask about an error code include the error code.


    blackcat: Master Of The Obvious =^..^=

  3. #3
    Field Supervisor 500+ Posts Desert Rat's Avatar
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    Re: ES523 jams, E3c0, E5A0, E570

    Blackcat,
    I replaced the fuser roller and web on my last call. The web was almost all gone. Still it was not dry.
    The fuser gears are meshed without broken teeth. I did notice an upper skiver missing. I'll order that also.
    And yes that does help very much.

    Thank you very much

    Now I just have to hope I don't have to do my jury duty this week.

    DR


  4. #4
    Field Supervisor 500+ Posts Desert Rat's Avatar
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    Re: ES523 jams, E3c0, E5A0, E570

    I just re read your post. It is full of great information. It is seldom that I have to check the sensor flags but I have found some with cuts from the paper
    or swollen from heat. Guess I expect to much from these machines.
    I'm sure the customer will appreciate getting their machine fixed.

    Thanks again for the info

    DR


  5. #5
    Master Of The Obvious 10,000+ Posts
    ES523 jams, E3c0, E5A0, E570

    blackcat4866's Avatar
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    Re: ES523 jams, E3c0, E5A0, E570

    Let me know what you discover. =^..^=

    If you'd like a serious answer to your request:
    1) demonstrate that you've read the manual
    2) demonstrate that you made some attempt to fix it.
    3) if you're going to ask about jams include the jam code.
    4) if you're going to ask about an error code include the error code.


    blackcat: Master Of The Obvious =^..^=

  6. #6
    Field Supervisor 500+ Posts Desert Rat's Avatar
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    Re: ES523 jams, E3c0, E5A0, E570

    Blackcat,
    I'm having trouble locating that inverter gate on the right hand door in the book.
    Also the exit upper idlers that you spoke of are those the ones on the fuser unit or
    on the left door? On the left door it looks like the two in the middle are different than
    the four on the outsides.
    I am going to stop by and check these items today and if Precision has the parts I will
    replace as many as I can.

    Thank for all the help,

    DR


  7. #7
    Master Of The Obvious 10,000+ Posts
    ES523 jams, E3c0, E5A0, E570

    blackcat4866's Avatar
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    Re: ES523 jams, E3c0, E5A0, E570

    Quote Originally Posted by Desert Rat View Post
    Blackcat,
    I'm having trouble locating that inverter gate on the right hand door in the book.
    Also the exit upper idlers that you spoke of are those the ones on the fuser unit or
    on the left door? On the left door it looks like the two in the middle are different than
    the four on the outsides.
    I am going to stop by and check these items today and if Precision has the parts I will
    replace as many as I can.

    Thank for all the help,

    DR
    the gate is buried, near the last set of rollers in the outer door. The idlers are on the fuser exit. =^..^=

    If you'd like a serious answer to your request:
    1) demonstrate that you've read the manual
    2) demonstrate that you made some attempt to fix it.
    3) if you're going to ask about jams include the jam code.
    4) if you're going to ask about an error code include the error code.


    blackcat: Master Of The Obvious =^..^=

  8. #8
    Field Supervisor 500+ Posts Desert Rat's Avatar
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    Re: ES523 jams, E3c0, E5A0, E570

    Thanks, I'm about to go over and inspect these items. Precision does have some of the parts.
    I will get what I can and order the rest.
    That gate is that the one I took the spring off of? It has a solenoid on the inside of the left door upper corner
    outside?

    DR


  9. #9
    Master Of The Obvious 10,000+ Posts
    ES523 jams, E3c0, E5A0, E570

    blackcat4866's Avatar
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    Re: ES523 jams, E3c0, E5A0, E570

    Yes, it's the same one you took the spring off of, inside, buried. =^..^=

    If you'd like a serious answer to your request:
    1) demonstrate that you've read the manual
    2) demonstrate that you made some attempt to fix it.
    3) if you're going to ask about jams include the jam code.
    4) if you're going to ask about an error code include the error code.


    blackcat: Master Of The Obvious =^..^=

  10. #10
    Field Supervisor 500+ Posts Desert Rat's Avatar
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    Re: ES523 jams, E3c0, E5A0, E570

    Blackcat,
    Here is my report.

    While replacing the sensors in the left exit door, I noticed that the lower sensor flag spring was on the flag but not
    in position to make the flag spring back. The flag was just hanging there. I'm guessing the breeze from the fans and
    vibrations from the machine were causing it to move in and out of the sensor beam. I also replaced the two middle
    idler rollers and moved the out pair in next to the new ones. They did not look as worn. The center had not turned
    to powder on any of them. Also replaced all the upper fuser pick off fingers and sanded the lowers enough to smooth
    and taper the ends. I was feeling fairly good about finding that spring.
    But the customer called in yesterday to let me know it's still jamming.
    The only two items that were not in stock was the registration actuator and one of the actuators for the duplex door.
    They should be in today and I will replace that registration sensor at that time also.

    I'll let you know

    Thanks

    DR


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