Question about Dell A940 All-In-One InkJet Printer
Error 0502 and 0504
You can try this
On the multi function machine seems to be a coating on the metal rod that the cartridges travel on. Just wipe this rod with a Kleenex and the problem seems to go away.
Somehow it presents a drag on the cartridges and causes an error.
Myself I would put a little bit of oil after on a cloth and wipe along the bar.
Please all I ask is call back and just gave a vote, it will gave me some satisfaction to know am helping some one, so I will keep on helping.
All The Best: Pineworks
Posted on Mar 02, 2010
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Posted on Jan 02, 2017
SOURCE: Hardware Error 0502
Posted on Dec 04, 2008
The encoder strip is most likely the problem. Unplug the power from the printer. Open the front cover and move the cartridge carrier to the center. You should see a white ribbon cable, a thin plastic strip and a black belt with teeth.
The thin plastic strip is the encoder strip. It rides in a sensor on the back of the cartridge carrier that you will not be able to see. Reach in with the first finger of either hand and carefully strum the strip as if playing a guitar.
The strip will need to be lowered slightly and brought towards you slightly. Please be careful not to break the strip or your printer will not function. Once you believe the strip is set correctly, plug the power back and try printing the self test. If it slams to the left again, the strip is not yet set correctly.
If you cannot repair the strip, please let us know so that we can assist you further.
Please Note: Fixing the encoder strip is a delicate procedure. During the troubleshooting, if the strip breaks, you will not be able to use the printer. Lexmark will replace the printer, only if it is under warranty.
Posted on Apr 26, 2009
The shaft that the ink cartridges travel back and forth on get buildup on it. If you clean it, your problem should go away...
Your answer and fix is here:
Posted on Jan 21, 2011
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