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Epson dx5050 paper feed issue

Hi saw your problem and solution and it sounds identical to mine, do you have an image or manual that describes how to access the roller so I can fix it, at the minute i've taken out all kinda screws but can't access rear panel still. Thanks
punksunflower

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6 Suggested Answers

  • 29 Answers

SOURCE: Minolta 2350DL laser printer paper jam that will not clear

You have to take off the roller . :)

Posted on Jun 19, 2008


MJS_1
  • 150 Answers

SOURCE: Epson LQ-590 Matrix Printer Paper feed Problem

Assuming that you are feeding the paper into the correct end of the printer :), it seems that the printer is defective, but

First unplug the printer from the wall, wait a few minutes,
and see if it resets. If that does not work, read on.

  1. Printer rollers (and sometimes head movements as well)
    are controlled by "Stepping Motors"

    Unlike an ordinary DC motor with two wires, that spins
    clockwise or counter clockwise depending on the voltage
    polarity,

    a stepping motor contains several pairs of wires, that
    are pulsed in a controlled sequence, causing the motor
    to spin in precise angular steps. Depending on the
    number of wire pairs (poles) and internal gears, the
    stepping motor can have a resolution as course as
    90 degrees, and as fine as 0.05 degrees per step,
    depending on the cost and applications.

    Linear stepping motors can even move an object in
    a straight line.

    The benefit of these stepping motors is that, unlike a
    linear servo motor, they do not need complex positional
    feed-back for precise control, they simply step as many
    times as you tell them to. Four steps left, two steps back
    .... etc.

  2. These stepping motors are in turn driven by semiconductor switches (transistors) which are
    ultimately controlled by a central processor within the printer.

    Depending on the printer model, and how sophisticated
    the printer's internal processor is, the paper and head
    movements can be either automatically controlled by
    SOFTWARE (firmware) within the printer itself, or by the device drivers installed in Windows.

    The more self-sufficient the printer is, of course, the less
    hassle and CPU overhead on your PC.

  3. When any of the components within this chain of command fail, the stepping motor will move incorrectly:

    a) Skip steps
    b) Get stuck
    c) Oscillate back and forth
    d) Spin backwards.

  4. The causes could be:

    a) One bad wire in the ribbon connecting the motor
    to its controller board.

    b) Bad motor driver transistor: Open or shorted.

    c) Bad data line from the printer's internal control
    processor to the driver transistor array.

    d) Bad processor chip, memory or firmware within
    the printer, e.g. a burned out register or firmware
    memory location.

    e) Defective internal power supply, causing everything
    else to malfunction.

    f) Bad paper position sensor

    d) Crashed control program, which is probably the
    only thing that is fixable:

    i) unplug the printer from the wall socket, wait a
    few minutes, and see if it resets.

  5. It is also remotely (theoretically) possible, that
    the Window drivers are corrupt but this is very unlikely.

  6. If you are fairly brave and want to take the printer apart, and have some electronics knowledge and a few basic instruments, probe the roller drive motor wires, and see what gives. Is one wire stuck consistently low or high ?

    Is one of the motor windings open or shorted ?

    Is one of the driver transistors fried ?

    This very much depends on your level of skill, and the test equipment you have to work with. If you don't have a decent oscilloscope you will not get far. Without a digital multimeter you will not get anywhere at all.
Also do not forget that printers are dirt cheap, less than the ink when it runs out, so this may not be worth your time and effort.

Call the manufacturer, scream blue murder, accuse them of setting your house on fire and giving your dog diarrhea ....

and see if they will send you a freebee.

Hope this explains it.
Please rate my answers.

Martin


Posted on Jul 18, 2008

  • 1 Answer

SOURCE: paper feeds through crooked and comes out crunched

Hi - googled and found a good Epson site with info on this - reproduced below - the part that worked for me was allowing a small bit of room between the paper on both sides and the paper guides (counterintuitive...) rather than flush up against them.

From the Epson instructions:

You can try using the Epson cleaning sheet (has a sticky side) to pick up any excess paper residue. It's available from the Epson Store.
Try loading heavier stock paper, such as 24 lb. paper, if you haven't done so already.
Make sure there is 1/16 to 1/32 inch space on each side of the paper in the paper tray.
Move the paper type selector back and forth 5 times, to make sure it is not stuck.
Feed the tray with a minimum of 20 sheets of paper and try to see if it loads paper through.
The paper thickness lever has two settings, one for plain paper, (thin paper 20# to 24#) and one for envelopes and thick paper.
It should be on the 0 setting for thin paper and on the + setting for thick paper and envelopes.
The paper adjustment lever may be adjusted in between the two settings to accommodate paper that is not standard or that the operating/environmental conditions have changed.
Make sure the paper is loaded far enough into the printer to ensure good contact between the paper and the paper feed mechanism.

Posted on Sep 07, 2008

mohammed387
  • 1952 Answers

SOURCE: Paper Jam on Rear

clean this roller

Posted on Jan 22, 2009

lonline
  • 1 Answer

SOURCE: paper feed problem.

I have just removed the panel where the power and USB cable lock into. It's a case of 1 screww from the rear and 2 catchs underneath the printer. From there you should be able to see the mechanism for the roller, a set of small white cogs. below that you should be able to see a very small spring which is acting as the pressure. Mine was still attached but as you say was pulling no pressure on the roller what so ever.

Solution:
Find yourself a large-ish rubber band and slip the band over the whole mechansim. Best way is through the paper feed slot, slip it over the roller and then move it through to the area where you removed the panel. Position the rubber band as far down the cogs as possible, don't worry the cog casing prevents the band interfearing with the cogs. Now pull the band reasonably tight and with the other hand test the pressure of the roller. Adjust till you feel OK with it. Now put the panel back in with the end of the rubber band trapped and poking out from the panel behind the printer, holding it in place. Redo the screw and give it a try.

My first attempt found it a bit too restrictive and feeded to sheets at a time but adjusted it once and its back to normal. I know its a bodge but its a cheap one and it uses a rubber band, just how I fixed my Punto's windscreen wiper, £120 part or a rubber band once a month... Mmmm...

Posted on Feb 21, 2009

  • 1 Answer

SOURCE: epson r2400 won't feed paper

I had the same problem, then found these instructions for cleaning the feed roller: http://www.museofineart.com/files/RollerCleaningProcedureRev2.pdf I used the paper towel method and it's working fine now with no issues. 

Posted on Mar 06, 2009

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You can download the entire manual. Just click on link below. I found on the web:

http://safemanuals.com/314159.php?k=3c8871ac74c76c7b6bdba73063efb872&ID=552849&q=EPSON%20STYLUS%20DX5050

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