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Brother MFC-440CN Error 50

I have a Brother MFC-440CN printer and I am getting the error 50 message. I have looked at the threads here http://www.fixya.com/support/t243260-err... so that I can reinstall the encoder strip.

But the 440 seems to have a different cover arrangement so even after removing the screws to 'lift off' the top cover, it still doesn't want to budge. It looks like the whole cover wraps around the printer.

Any help appreciated.
Chickenman

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The cover on the 440CN is tough to get off. I have removed many. I will tell you that the cable from the scan (black mylar [plastic]) is fragile. I destroyed one of the printers by killing the connector end of the cable. That being said, on the 440 you have to remove the push button panel before the cover. There are 3 screws in the back. The cover then snaps off but feels like you are breaking it and it will snap as it comes off. I did not break this part on any of the printers so.... you should not worry too much. After that there are clips on the front that keep the top cover on. You must release these with a screw driver. You can insert the screw driver and twist. While twisting apply some upward pressure and it will release. You also have to remove a number of connectors, ground wire to get it apart.

Posted on Jul 06, 2010

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"UNABLE TO PRINT 50" appears


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Problem: ------------ The machine has a mechanical problem. -OR- A foreign objects such as a clip or ripped paper is in the machine.
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Confirm Success on a 440CN

1) Remove Plastic wire covers from inside printers, and release plastic stay on lower edge, tilt cover to 90 Degrees
2) make a note of where each connector goes
3) release the Ribbon and 3 Multicore cables, removing grounding screw, then remove scanner module by sliding it off the hinges at 90 degrees.
4) Remove Three Front Panel Screws, carefully leaver front panel upwards releasing front side clips.
5) Remove front panel by disconnecting ribbon and wireing on both sides.
6) Remove 6 Screws (2 on back, three at front and one middle right
7) Carefully remove speaker cable (Red Connector) and lift up plastic casing, leaving printer uncovered.
8) Re-Seat Encoder Strip into guide. (The Transparent strip)
9) Re-assemble in reverse and Hey Presto.

All Cured. Hopefully!

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