Question about Epson Stylus Sx445w Inkjet Print Scan 5760 X 1400 Dpi Print 33 P

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Epson sx445w

Paper feed problems 6x4 photo paper

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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: 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

aicaxz
  • 511 Answers

SOURCE: epson c90 paper feed problem

Is the message general error? The problem is tchip. When turn on chip is recognized by printer, but when start to print, printer "read" some information from the chip. Here is the error. Some pin at the chip for redaing the existence of chip, other pin for reading the information. Check connector between chip and carriage.

Posted on May 30, 2009

  • 1 Answer

SOURCE: paper doesn't always feed, and when it does, the paper rolls through without printing

Get a Q-Tip and alcohol. Wet Q-tip with alcohol. Stand in front of the printer and look down where the paper feeds through. On the righthand side you will see a big roller that pulls the paper through and a little one right up under that. Clean both of them with the alcohol and Q-tip. Press the paper feed button and as it trys to act like it is feeding the paper, clean the roller with the Q-tip. Do this until the paper feeds through correctly.

Posted on Jun 01, 2009

aicaxz
  • 511 Answers

SOURCE: alternate flashing red lights on epson stylus photo 900

Flashing alternately? Need reset waste ink. SSc ver 4.3 support this model. Find at indoreset.blogspot.com.

Posted on Jun 26, 2009

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2 Answers

EPSON SX445W PAPER JAMS


A friend had a similar problem, but I've now diagnosed and fixed it.
In this case the print head was not returning to its little 'nest' on the right. It turned out that the white plastic bits in tht nest were lifted up; when I pushed them down the print head could return home and it stopped saying paper-jam. By this time, I had the printer apart and I found a spring floating around loose, and a bit of black plastic that looked like a spring connection point that had broken off. It turned out to be one of the springs holding the 'nest' plastics in place. The bit of black plastic had broken off the base of the printer.
I melted a hole through from the inside with a fine soldering iron, then fitted a small bolt and nut of about the right length to stick up inside and hold the spring. I fitted the spring over the bolt and put a pair of nuts locked together on the end of the bolt and lock-nut to keep the spring in place.
It now works!

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This looks to be a problem with the paper pickup roller. Hence use a little thin Photo paper or replace the Pickup roller and also the Paper feed toller (Long black roller )

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Lou

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